patran 2008 r1 interface to samcef preference guide

Patran 2008 r1

Interface To SAMCEF Preference Guide

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Con t en t s

MSC Patran Interface to SAMCEF Preference Guide

1 Overview

Purpose 2

SAMCEF Product Information 3

What is Included with this Product? 4

Patran SAMCEF Integration with Patran 5

Releases Compatibilities 7

2 Building a Model

Introduction to Building a Model 10

Coordinate Frames 13

Finite Elements 14

Elements 16

Multi-Point Constraints 17

Material Library 24

Materials Form 24

Defined Properties Using Fields 41

Externally Defined Material Data 41

Element Properties 42

Element Properties Form 42

Loads and Boundary Conditions 70

Loads & Boundary Conditions Form 70

Load Cases 107

3 Running an Analysis

Review of the Analysis Form 110

Analysis Form 111


==

iv

Execution Parameters 113

Solution Types 116

Options for Chaining 117

Manual Recombination Options (Dynamic analyses only) 119

Crack Creation definition form 120

Solution Parameters 122

Friction Algorithm 123

Specific Options 125

Linear Static (’Transient’ Static parameters)

(Structural analysis) 126

Natural Frequency (Structural analysis) 127

Buckling (Structural analysis) 129

Elasto-Visco-Plastic Parameters (Structural analysis) 130

Transient Parameters (Thermal analysis) 133

Select Load Cases 140

Output Requests 142

Linear Static Analysis 146

Natural Frequency Analysis 152

Buckling Analysis 157

Elasto-Visco-Plastic Analysis 158

Steady-State and Transient Thermal analyses 166

4 Read Results

Review of the Read Results Form 174

Read Results Form 174

Translation Parameters 177

Select Results File 179

Data/Results Translated from the Analysis Code Results File 181

5 Files

Access to the File Control Form 192

File Control Form 192

Files 194

General files 195

vCONTENTS

Forward Translation 195

Reverse Translation 195

Environment Variables 197

The settings.pcl File 197

SAMPAT3 197

The Forward Translator JobFile 198

Part 1 198

Part 2 199

JobFile Example 200

BANQUE File Example 202

Major supported BACON Commands 214

The Reverse Translator JobFile 217

The SAMRUN file on Unix (Example) 218

The SAMRUN.cmd file on W2000 (Example) 219

6 Errors/Warnings

Errors/Warnings 222


==

vi

Chapter 1: Overview

Patran Interface to SAMCEF Preference Guide

1 Overview

� Purpose 2

� SAMCEF Product Information 3

� What is Included with this Product? 4

� MSC Patran SAMCEF Integration with MSC Patran 5

� Releases Compatibilities 7

Patran Interface to SAMCEF Preference GuidePurpose

2

Purpose

MSC Patran comprises a suite of products written and maintained by MSC.Software Corporation. The core of the product suite is MSC Patran, a finite element analysis pre and postprocessor. MSC Patran also includes several optional products such as advanced postprocessing programs, tightly coupled solvers, and interfaces to third party solvers. This document describes one of these interfaces. For more information on the MSC Patran suite of products, see the MSC Patran User’s Guide.

The MSC Patran SAMCEF Application Preference provides a communication link between MSC Patran

and SAMCEF. It also provides customization of certain features that can be activated simply by selecting SAMCEF as the analysis code preference in MSC Patran.

MSC Patran SAMCEF is integrated into MSC Patran. The casual user will never need to be aware that separate programs are being used. For the expert user, there are three main components of MSC Patran SAMCEF: several PCL files to provide the customization of MSC Patran for SAMCEF, PAT3SAM to convert model data from the MSC Patran database into the analysis code input file, and SAMPAT3 to translate results and/or model data from the analysis code results file into the MSC Patran database.

Selecting SAMCEF as the analysis code under the “Analysis Preference” menu customizes MSC Patran in five main areas:

1. Material Library

1. Element Library

1. Loads and Boundary Conditions

1. MPCs

1. Analysis forms

PAT3SAM translates model data directly from the MSC Patran database into the analysis code-specific input file format. This translation must have direct access to the originating MSC Patran database. The program name indicates the direction of translation: from MSC Patran to SAMCEF.

SAMPAT3 translates results and/or model data from the analysis code-specific results file into the MSC Patran database. This program can be run so that the data is loaded directly into the MSC Patran database, or if incompatible computer platforms are being used, an intermediate file can be created. The program name indicates the direction of translation: from SAMCEF to MSC Patran.

The MSC Patran SAMCEF Application Preference is written and maintained by SAMTECH

3Chapter 1: OverviewSAMCEF Product Information

SAMCEF Product Information

SAMCEF is a general-purpose finite element computer program.

It is developed, supported, and maintained by

SAMTECH, S.A.

Parc Scienlifique du Sart Tilman

Rue des Chasseurs-Ardennais, 8,

B-4031 Angleur, Liège, Belgium.

www.samcef.com

See the SAMCEF User’s Manual for a detailed description of SAMCEF’s capabilities.

Support line for the Samcef Preference: [email protected]

http://www.samcef.com

Patran Interface to SAMCEF Preference GuideWhat is Included with this Product?

4

What is Included with this Product?

The MSC Patran SAMCEF product include the following items:

1. PCL command and library files which add all the MSC Patran SAMCEF customization definitions into MSC Patran. This file is named SAMCEF.plb.

2. The executable programs PAT3SAM and SAMPAT3 which perform the forward and results translation of data. Although these programs are separate executables, they are run from within MSC Patran and are transparent to the user.

3. Script files are also included to drive the programs in item 2. These script files are started by MSC Patran and control the running of the programs in MSC Patran SAMCEF.

4. The MSC Patran SAMCEF Preference Guide is included as part of the product.

5Chapter 1: OverviewMSC Patran SAMCEF Integration with MSC Patran

MSC Patran SAMCEF Integration with MSC Patran

Several diagrams are shown below to indicate how these files and programs fit into the MSC Patran environment. In some cases, site customization of some of these files is indicated. Please see the Patran

Installation and Operations Guide for more information on this topic.

Figure 1-1 shows the process of running an analysis. The SAMCEF.plb library defines the various Execution Parameters, Solution Type, Solution Parameter, Specific Options, Select Loads Cases and Output Request forms called by the Analysis form. When the Apply button is selected on the Analyze

form, a.jba file is created, and the script samcefSubmit is started. This script may need to be modified for your site installation. The script, in turn, starts the PAT3SAM forward translation. MSC Patran operation is suspended at this time. PAT3SAM reads data from the database and creates a BACON input file, or Banque file. BACON and then analysis modules are executed in series after successful translation, if the user has requested that action. A message file is created to record any translation messages

Figure 1-1 Forward Translation

Figure below shows the process of reading information from an analysis results file. When the Apply

button is selected on the Read Results form, either a .jbm or .jbr file is created, depending on

Patran Interface to SAMCEF Preference GuideMSC Patran SAMCEF Integration with MSC Patran

6

whether model or results data is to be read. A process is then spawned to start the SAMPAT3 results translation. The MSC Patran database is closed while this translation occurs. A message file is created to record any translation messages. SAMPAT3 reads the data from the SAMCEF results file. If SAMPAT3 can find the desired database, the results will be loaded directly into it. If, however, it cannot find the database SAMPAT3 will create a new MSC Patran model database before loading the results. SAMPAT3 is also used to create a “query” file, used when recovering a summary of available results. Then, the user may also request generation of a MSC Patran 2.4 Neutral (topology) file.

7Chapter 1: OverviewReleases Compatibilities

Releases Compatibilities

Patran:

This guide describes the Samcef Preference as it appears in the MSC Patran 2006 release.

Samcef Output Data:

The data generated by this Samcef Preference (Samcef command instructions,..) or reloaded through the

backward translator are compatible with Samcef V 11 release.

Forward and Backward Translators:

The Samcef Preference converters (forward and backward) are 32-bit compliant executable files to match MSC Patran specifications.

Patran Interface to SAMCEF Preference GuideReleases Compatibilities

8

Chapter 2: Building a Model


2 Building a Model

� Introduction to Building a Model 10

� Coordinate Frames 13

� Finite Elements 14

� Material Library 24

� Element Properties 42

� Loads and Boundary Conditions 70

� Load Cases 107

Patran Interface to SAMCEF Preference GuideIntroduction to Building a Model

10

Introduction to Building a Model

There are many aspects to building a finite element analysis model. In several cases, the forms used to create the finite element data are dependent on the selected analysis code and analysis type. Other parts of the model are created using standard forms.

Under preferences from the main form in MSC Patran, there is a selection entitled Analysis. The Analysis Preference form accessed by that selection identifies/defines the analysis code which is to be used for this model.

The specified code may be changed at any time during model creation. As much data as possible will be converted if the analysis code is changed after the modeling process has already begun. However, the user must check that the analysis codes support identical or equivalent functionality. If they don’t, the translation may be approximate.

The setting of the Analysis Preference determines what will be presented to the user in several areas during the subsequent modeling steps.

These customized areas include the material and element libraries (including multi-point constraints), the applicable loads and boundary conditions, and the analysis forms. The selected Analysis Type may also affect the allowable selections in these same areas. For more details, see Analysis Codes (p. 426) in the Patran Reference Manual.

11Chapter 2: Building a ModelIntroduction to Building a Model

The following table lists the SAMCEF structural element types which are supported by the SAMCEF

Analysis Preference.

Element Types

Element Types Description

MASS Mass

17 0D Fourier Beam

18 1D Fourier Shell

169 1D Fourier Membrane

21 Mindlin Rod

22 Mindlin Beam

30 1D Membrane (axisymmetric)

48 1D Shell (axisymmetric)

13 2D Solid (Fourier)

14 2D Solid (Fourier)

15 Membrane (Plane) or 2D Solid (Axisymmetric/Plane Strain)

26 Membrane (Plane) or 2D Solid (Axisymmetric/Plane Strain)

28 2D Shell (Mindlin)

29 2D Shell (Mindlin)

Patran Interface to SAMCEF Preference GuideIntroduction to Building a Model

12

The following table lists the element supported in a Thermal analysis

57 Membrane

58 Membrane

8 Hexagonal Solid or Thick Shell

46 Wedge Solid or Thick Shell

47 Tetrahedral Solid


Note: The Hybrid formulation is still supported for compatibility reasons but is no longer enhanced.


222

31

Pipe

Rod or Axisymmetric Membrane

224,223

34,35

Shell

Membrane or Axisymmetric volume

39

105

106

Brick Solid or Thick Shell

Prism

Tetrahedral

13Chapter 2: Building a ModelCoordinate Frames

Coordinate Frames

Coordinate frames will generate the .AXL command, within the appropriate context for SAMCEF. Unreferenced coordinate frames are not being translated.

Patran Interface to SAMCEF Preference GuideFinite Elements

14

Finite Elements

By choosing the Finite Elements toggle located on the application selections for MSC Patran, the Finite Elements form will appear. This permits definition of basic finite element constructs, including the creation of nodes, element topology, and multi-point constraints.

The form below is displayed when Create is selected as the action and Node as the object on the Finite Elements form. Nodes created will be translated to .NOE commands in the Banque file.

15Chapter 2: Building a ModelFinite Elements


16

Elements

Finite elements in MSC Patran simply assigns element topology, such as Quad/4, for standard finite elements. The type of element to be created is not determined until the element properties are assigned. See Element Properties Form for details concerning the SAMCEF element types. Elements can be created either directly using the Element object, or indirectly using the Mesh object. The form below appears when the Object is set on Mesh and the Type is set on Surface


Multi-Point Constraints

Multi-point constraints (MPCs) can also be created from the Finite Elements menu. These are special element types which define a rigorous behavior between several specified nodes. The forms for creating MPCs are found by selecting MPC as the Object on the Finite Elements form. The full functionality of the MPC forms are defined in Create Action (FEM Entities) (p. 91) in the Reference Manual - Part III.

MPC Types

To create an MPC, first select the type of MPC you want to create from an option menu. The types that will appear in this option menu are dependent on the current settings of the Analysis Code and Analysis Type preferences. The following table summarizes the MPC types that are supported for SAMCEF.


18

Comments:

1. Sliding surfaces are not treated as MPC types. They can be treated as Loads/BCs, using conditions defined in Loads and Boundary Conditions. To create a sliding surface, define an analysis coordinate system with one axis as the surface outward normal. Then enforce a zero translation (displacement), in that direction, for all nodes on the surface.

2. The BACON command .STICK, which can be used for non-homogeneous linking of two meshed parts of a model, is supported as an LBC type.

MPC Types Analysis Type Description

Explicit Structural Explicit linear constraint equations between degrees-of-freedom (dof) using the .MCE CNLI command.

Rigid Fixed Structural Creates a rigid body between an independent node and several dependent nodes using the .MCE RIGI command.

Rigid Bar Structural Creates an equality relationship between groups of dofs using .LIA GROUPE.

LIA Structural, Thermal Creates an equality relationship between 2 dofs using the .LIA command.


Degrees-of-Freedom

Whenever a list of degrees-of-freedom is expected for an MPC term, a listbox containing the valid degrees-of-freedom is displayed on the form. A degree-of-freedom is valid if:

1. It is valid for the current Analysis Code Preference.

2. It is valid for the current Analysis Type Preference.

3. It is valid for the selected MPC type.

In most cases, all degrees-of-freedom which are valid for the current Analysis Code and Analysis Type preferences are valid for the MPC type.

The following degrees-of-freedom are supported by the MSC Patran SAMCEF MPCs for the various analysis types:

The above table defines the equivalence between degrees-of-freedom and LBC directions when the LBC coordinate is Coord 0 (Global).

Degrees-of-Freedom Equivalent Loads/BCs Analysis Type

UX T1 Structural

UY T2 Structural

UZ T3 Structural

RX R1 Structural

RY R2 Structural

RZ R3 Structural

TEMP TEMP Thermal


20

Explicit MPCs

Creates a BACON .MCE CNLI construct defining a linear relationship between DOFs (Structural only).


Rigid Fixed MPCs

Creates a BACON .MCE RIGI construct that inserts a rigid body between an independent node and several other dependent nodes (Structural only).

Rigid Bar MPCs

Creates a BACON .LIA GROUPE construct that defines an equality relationship between a group of nodes and up to six (6) degrees-of-freedom of an independent node (Structural only).


22

Cyclic Symmetry MPCs

LIA MPCs EStructural and Thermal)

Creates an equality between two DOFs. The .LIA construct is used to define the boundaries.

Note: There is no difference between the dependent and independent term in the treatment of .LIA.

Note: This feature is obsolete and is replaced by the Cyclic Symmetry LBC.


Note: This MPC type is only available for explicit nodes. Special care is required when using hybrid elements.

Patran Interface to SAMCEF Preference GuideMaterial Library

24

Material Library

By choosing the Materials toggle located on the application selections for MSC Patran, the Materials form appears. When creating materials, several option menus are available. The selections made in this option menu will determine which material form is presented, and ultimately, which SAMCEF material will be created.

The following pages give an introduction to the Materials form, followed by the details of all the material property definitions supported by the MSC Patran SAMCEF Preference Guide.

The .MAT is used (in most cases) to define the material data for elements. This places a restriction on the element types supported by MSC Patran SAMCEF.

Materials Form

The Materials form shown below provides the following options for the purpose of creating SAMCEF materials

25Chapter 2: Building a ModelMaterial Library

The following table shows the allowable selections for all options when the Action is set to Create and the Analysis Type on the Analysis Preference form is set to Structural. The various options have different names, depending on previous selections


26

Object Option 1 Option 2 Option 3

Isotropic • Linear Elastic

• Hyperelastic Mooney-RivlinHart-Smith

• Elastoplastic Raghava

von Mises

• Visco Plastic von Mises

Raghava

Lemaitre

Prager

Isotropic Hardening

Non Linear Hardening

2 Kinematic Hardening

Kinematic & Isotropic Hardening

2 Kinematic & Isotropic Hardening


Orthotropic • Linear Elastic

• Elastoplastic von Mises


Raghava

Lemaitre

Prager

Isotropic Hardening







The following table shows the allowable selections for all options when the Action is set to Create and the Analysis Type on the Analysis Preference form is set to Thermal.

Anisotropic • Linear Elastic

• Elastoplastic von Mises


Raghava

Lemaitre

Prager

Isotropic Hardening






Object Option 1

Isotropic Thermal

Orthotropic Thermal

Anisotropic Thermal



28

Isotropic

Linear Elastic

This subsidiary form is used to define the properties of a linear elastic material.

Hyperelastic

This subsidiary form is used to define the properties of a Hyperelastic material.


Elastoplastic

This subsidiary form is used to define the properties of an elastoplastic material.

Option 1 Option 2 Option 3

ElastoplasticRaghava

von Mises

Isotropic


30

Visco plastic

This subsidiary form is used to define the properties of an Visco Plastic material.


Property List may vary according to the combined choice of ’Option2 and ’Option 3’. All the available combinations are not described here.


32

Thermal


Orthotropic

Linear Elastic



34

Orthotropic

Elastoplastic

This subsidiary form is used to define the properties of a Visco Plastic material.


Orthotropic

Visco Plastic

This subsidiary form is used to define the properties of a Visco Plastic material.


36

Orthotropic

Thermal

Anisotropic

Linear Elastic



Elastoplastic

This subsidiary form is used to define the properties of an elastoplastic material.

Note: Scroll down to enter data for remaining stiffness, density and thermal expansion coefficient.


38

Visco Plastic

This subsidiary form is used to define the properties of an Visco Plastic material.

Note: Scroll down to enter data for yield limits and stress vs plastic strain curve.


Note: Scroll down to enter data for yield limits and stress vs plastic strain curve.


40

Thermal


Defined Properties Using Fields

Properties which depend on temperature, strain and strain rate can be input using tabular and general fields.

The function expression for general fields is as follows:

[polynom (E0|E1|E2|E3|E4|MIN|MAX|variable) ]

where

E0, E1, E2, E3, E4 are polynomial coefficients

MIN and MAX specify the valid range of the function

Variable may be ’T, ’e, or ’er.

Externally Defined Material Data

Note: This option is no longer supported.

Patran Interface to SAMCEF Preference GuideElement Properties

42

Element Properties

By choosing the Element Properties toggle located on the main menu in MSC Patran, the Element Properties form will appear. When creating element properties, several option menus are available. The selections made in these option menus will determine which element property form is presented, and ultimately, which SAMCEF element will be created.

The following pages give an introduction to the Element Properties form, followed by the details of all the element property definitions supported by the MSC Patran SAMCEF Preference Guide.

Element Properties Form

When Element Properties is selected on the main menu, the following form will be displayed. Four option menus on this form are used to determine which SAMCEF element types are to be created, and which property forms are to be displayed. The individual property forms are documented later in this section. For more details, see the Create Element Property Sets (p. 67) in the Patran Reference Manual.

43Chapter 2: Building a ModelElement Properties

The following table shows the allowable selections for all option menus when Analysis Type is set to Structural.


44

The following table shows the allowable selections for all option menus when Analysis Type is set to Thermal


0D • Mass

• Axisymmetric Bar General Section

Pipe Section

1D • Rod General SectionPipe Section

MindlinPlane3D Memb.

• Spring GeneralLinearNon Linear

• Axisymmetric Shell AxisymmetricFourier

• Beam General SectionPipe Section

MindlinMindlin

• Axisymmetric Membrane

Plane StrainAxisymmetricFourier Membrane

2D • Shell Mindlin

• 2D Solid Plane StrainAxisymmetricFourierFourier Membrane

• Membrane Plane3D Membrane

3D • Thick Shell Homogeneous

• Solid HomogeneousRTM



1D • Rod

• Axisymmetric Membrane

• Pipe

2D • Shell

• 2D Solid

• Membrane

3D • Solid

Important: The following pages will detail the most major Element Properties forms and sub-forms... but not all.


46

(0D)Mass (Structural only)

Options below create a concentrated mass that is associated with the degrees-of-freedom of a node. This creates a concentrated mass at a point which results in generation of the .MASS command.


(0D)-Axisymmetric Bar (Structural only)

This form creates axisymmetric bar element properties.


48

(pipe section option view)

(1D)Rod (Structural & Thermal)

Options below create 1D rod element properties for Structural analysis..


50

(pipe-section option)

Options below create 1D rod element properties for Thermal analysis.


(1D)Spring (Structural only)

Options below create spring properties. Springs may be general, linear or nonlinear.


52


(linear option view)


54

(non linear spring view)

(1D)Axisymmetric Shell, Fourier Membrane (Structural only)

Options below create axisymmetric shell element properties. Elements may be of true axisymmetric or Fourier.


Note: The MKU and MKP (second order stiffness matrix due to large rotation and second order stiffness due to active pressure) options may be selected for second order elements. The default is “NO.”


56

(1D)Beam (Structural only)

Options below create a 3D beam element of general or pipe section..

(1D)Axisymmetric Membrane (Structural & Thermal)

Options below create 1D axisymmetric membrane element properties for Structural analysis. Elements may be plane strain or axisymmetric.



Options below create 1D axisymmetric membrane element properties for Thermal analysis


58


(1D) Pipe (Thermal only)

(2D)Shell (Structural & Thermal)

Options below create a thin shell element for a Structural analysis.


60

.

Options below create a thin shell element for a Thermal analysis


(2D) 2D Solid (Structural & Thermal)

Options below create a 2D solid element for a Structural analysis.

The element may be of plain strain, axisymmetric or Fourier.


62

Options below create a 2D solid element for a Thermal analysis.

Note: The MKP (second order stiffness matrix due to active pressure) options may be selected for second order elements. The default is “NO.”


(2D) Membrane (Structural & Thermal)

Options below create a membrane element for a Structural analysis.

The element may be either plane or 3D.


64

Options below create a membrane element for a Thermal analysis

Note: The MKP (second order stiffness matrix due to active pressure) options may be selected for second order elements. The default is “NO.”


(3D) Thick Shell (Structural only)

Options above create thick shell elements, which may have wedge or hexahedral topologies.


66

(3D) Solid Structural (Homogeneous)

Options below create solid elements for a Structural analysis, homogeneous option, which may have tetrahedral wedge or hexahedral topologies.



(3D) Solid (RTM)

Options below create solid elements for a Structural analysis, RTM options, which may have tetrahedral wedge or hexahedral topologies.



68

(3D) SolidThermal)

Options below create solid elements for a Thermal analysis

Patran Interface to SAMCEF Preference GuideLoads and Boundary Conditions

70

Loads and Boundary Conditions

By choosing the Loads/BCs toggle located on the main menu of MSC Patran, the Loads and Boundary Conditions form will appear. When creating loads and boundaries, several option menus are available. The selections made in this option menu will determine which loads and boundary form is presented, and ultimately, which SAMCEF loads and boundaries will be created.

The following pages give an introduction to the Loads & Boundary Conditions form, followed by the details of all the loads and boundary conditions supported by the MSC Patran SAMCEF

Preference Guide.

Loads & Boundary Conditions Form

The Loads & Boundary Conditions form shown below provides the following options for the purpose of creating SAMCEF loads and boundaries. The full functionality of the form is defined in Loads and

Boundary Conditions Form (p. 27) in the Patran Reference Manual.

71Chapter 2: Building a ModelLoads and Boundary Conditions

The following table shows the allowable selections for all options when the Analysis Type is set to Structural.


72

Basic Form

This subordinate form appears whenever the Input Data button is selected on the Loads and Boundary Conditions form. The information contained on this form will vary according to the Object that has been selected. Information that remains standard to this form is defined below.

Analysis Type Object Type

Structural • Displacement Nodal

• Force Nodal

• Pressure Element UniformElement Variable

• Inertial Load Element Uniform

• Node to Node Absolute Contact (formerly «Contact (Absolute)»)

Nodal

• Node to Node Relative Contact (formerly «Relative Contact»)

Nodal

• Temperature (SAMCEF) Nodal

• Displacement Retained (SAMCEF) Nodal

• Hybrid Deformation (SAMCEF) Element Uniform

• Append Nodal

• Node Surf Contact NodalElement Uniform

• Cyclic Symmetry NodalElement Uniform

• Density of Force Element Uniform

Analysis Type Object Type

Thermal • Temperature (Thermal) Nodal

• Initial Temperature Nodal

• Load Nodal

• (S) Prescr. Temp. t=0. Nodal

• (S) Volumic Convection Nodal

• (S) Surfacic Flux Element Uniform

• (S) Convection Element Uniform

• (S) Volumic Flux Element Uniform

• (S) Therùal Gluing Element Uniform

• (S) Thermal Stick Element Uniform


Object Tables

On the Loads/BCs Input Data forms there are areas where the load data values are defined. The data fields presented depend on the selected Load Object and Type. In some cases, the data fields also depend on the selected Target Element Type. These Object Tables list and define the input data that pertain strictly to a specific selected object:


74

Displacement (Structural)

Creates the BACON .CLM FIX or .CLM FNN command to define friction or imposed displacements.

Force (Structural)

Creates the BACON .CLM CHA command

Pressure (Structural)

Creates the BACON .CLM PRESS command to define uniform or variable pressure.

Object Type Type

Displacement Nodal Structural

Input Data Description

Translations (T1,T2,T3) Defines the enforced translational displacement values. These are in model length units.

Rotations (R1,R2,R3) Defines the enforced rotational displacement values. These are in degrees.

Important: Use this boundary condition to define sliding surfaces by controlling translations in a coordinate frame with one axis normal to the surface.

Object Type Type

Force Nodal Structural


Force (F1,F2,F3) Defines the applied forces in the translation degrees-of-freedom.

Moment (M1,M2,M3) Defines the applied moments in the rotational degrees-of-freedom.

Object Type Type Dimension

Pressure Element UniformElement Variable

Structural 2D


Creates the BACON .CLM PRESS command to define uniform or variable pressure.

Inertial Load(Structural)

Creates the BACON .CLM ACC/ROT/DROT commands listed below to define inertial loads, body forces and rotational speeds for static load cases.

Node to Node Absolute Contact (formerly «Contact (Absolute)»)(Structural)

Creates the BACON .JEU command to define the limits of contact between nodes and a rigid foundation


Top Surf Pressure Defines the top surface pressure load on shell elements.

Bot Surf Pressure Defines the bottom surface pressure load on shell elements.

Edge Pressure Defines the edge pressure value on axisymmetric, plane strain, and plane stress elements.


Pressure Element UniformElement Variable

Structural 3D


Pressure Defines the face pressure value on solid elements.


Inertial Load Element Uniform Structural 1D2D3D


Trans Accel (A1,A2,A3) Defines translational acceleration in the translation degrees-of-freedom.(Generates the command: .CLM ACC V a1 a2 a3.)

Rot Velocity (w1,w2,w3) Defines rotational velocity in the rotational degrees-of-freedom.(Generates the command: .CLM ROT V w1 w2 w3.)

Rot Accel (a1 a2 a3) Defines rotational acceleration in the rotational degrees-of-freedom.(Generates the command: .CLM DROT V a1 a2 a3.)

Object Type Type

Contact (Absolute) Nodal Structural


76

.

Node to Node Relative Contact (formerly «Relative Contact»))(Structural)

Creates the BACON .JER command to define the limits of contact between nodes on parallel straight lines and surfaces

Temperature (Structural)

Creates the BACON .CLT command to define a temperature field.


Component Defines the degree-of-freedom for which this condition applies.

Lower Bound (L) Defines the lower bound value of contact.

Upper Bound (H) Defines the upper bound value of contact.

Displacement (FIX) Defines the imposed displacement value.

Friction Defines the coefficient of friction.

Object Type Type

Contact (Relative) Nodal Structural


Lower Bound (L) Defines the relative lower bound value of contact.

Upper Bound (H) Defines the relative upper bound value of contact.

Displacement (SER) Defines the imposed relative displacement value.

Contact Direction Defines the contact direction.

Butee

Friction Defines the coefficient of friction.

At least one direction must have a non-zero value to generate the Direction parameter. In this case, directions which are ignored are assumed to be zero.

Important: At present, MSC Patran does not provide for definition of the relationship between surfaces. To overcome this limitation, a naming convention has been adopted. Nodes on each surface must be defined as LBCs with the same name (i.e., set name), but with suffices _1 and _2. For example, create LBC’s side_1 and side_2. Properties defined for side_1 will be written to the BACON input file.

Object Type Type

Temperature Nodal Structural


Displacement Retained (Structural)

Creates the BACON .RET command to select dof for the creation of a super element or for the running of a DYNAM analysis


Temperature Defines the temperature at the node or mid surface of a shell node.

Gradient Defines the temperature gradient for shell elements.

Object Type Type

Displacement Nodal Structural


Translations (T1,T2,T3) Defines the retained translational dof.

Rotations (R1,R2,R3) Defines the retained rotational dof.


78

Node to Surface (Structural)

Description


Forces All Defaults When set to a non zero value, all defaults are taken into account. Defaults are driven by Samcef module.

Nodes Projection Forces nodes projection on master surface (topology correction)

Normal Accuracy Accuracy used to «drive» the slaved node projection algorithm


Tangential Accuracy Accuracy used to «extend» a master face area when the projection of a slave node lies outside the face

Tightening Tightening value

Reference Distance For each slave node, the pgm computes contact conditions with all the facets which are inside a sphere around the node

Shells Normals Direction For shells only. 3 director cosine to indicate normal direction

Reverse Shells Normals For shells only. Forces ALL the normals of the shells to be reversed

Lower Bound Maximum displacement between the slave nodes and the master surface

Stop Distance Offset for the master surface

Friction Coefficient Friction value

Friction Option Friction law

Contact Option Contact option

Number of Closest Facets For each node, number of master surface’s faces to be taken into account to detect contact

Coupled Iteration Method Select the coupled iteration method

Uncoupled Iteration Method

Select the uncoupled iteration method

Reprofiling Only at Time Step

Enable the reprofiling at each time step start instead at each iteration

Facets Smoothing Transition

Enable the facets smoothing transition algorithm

Smooting Angle Smoothing angle for the transition algorithm

Dummy If one explicitly defines zeo values for the data above, Patran GUI will not display the LBC,...To by-pass this limitation, setting a non zero for the Dummy data will force Patran to display correctly the Lbc. The Dummy data is not exported to Samcef



80

Combinations

Allowed values

Keyword StickTigh_SRot

Tigh_LRot

Cont_SRot

Cont_SDis

Cont_MDis

Cont_LDis

Forces All Defaults X X X X X

Nodes Projection X X X X X X X

Normal Accuracy X X X X X X X

Tangential Accuracy X X X X X X X

Tightening X X

Reference Distance X X X X X

Shells Normals Direction

X X X X X X

Reverse Shells Normals

X X X

Lower Bound X

Stop Distance X X X X

Friction Coefficient X X X X

Friction Option X X X

Contact Option X X X

Number of Closest Facets

X X

Coupled Iteration Method

X X X


X X X


X X


X X X

Smooting Angle X X X

Dummy X X X X X X X

Keyword Description

Forces All Defaults (Integer)1=takes all defaults

Nodes Projection (Integer)0=no projection1=projection


Normal Accuracy (Real)strictly positive value

Tangential Accuracy (Real)strictly positive value

Tightening (Real)

Reference Distance (Real)strictly positive value

Shells Normals Direction (3 reals) (directors cosine)

Reverse Shells Normals (Integer)0=do not reverse1=reverse

Lower Bound (Real)

Stop Distance (Real)strictly positive

Friction Coefficient (Real)strictly positive

Friction Option (Integer)0= no friction1=classical2=infinite3=function of velocity

Contact Option (Integer)0= classical contact1=scratch2=always

Number of Closest Facets (Integer)

strictly positive

Coupled Iteration Method Any value will enable this option

Uncoupled Iteration Method Any value will enable this option

Reprofiling Only at Time Step Any value will enable this option

Facets Smoothing Transition Any value will enable this option

Smooting Angle (Real)strictly positive

Dummy (Integer)Non zero

Keyword Description


82

Default values

Remarks

Keyword Description

Forces All Defaults «All Defaults» not enabled

Nodes Projection No projection

Normal Accuracy Automatically computed by the algorithm

Tangential Accuracy Automatically computed by the algorithm

Tightening COMPULSORY

Reference Distance Infinite (i.e. all the facets of the master surface can potentially create contact conditions)

Shells Normals Direction No direction imposed

Reverse Shells Normals No reverse

Lower Bound No lower bound active

Stop Distance No stop distance

Friction Coefficient COMPULSORY if friction is enabled

Friction Option 0 (i.e no friction)

Contact Option 0

Number of Closest Facets 10

Coupled Iteration Method Coupled Iteration Method is the default


Reprofiling Only at Time Step By default, reprofiling occurs at each iteration

Facets Smoothing Transition No facet smoothing

Smooting Angle 30 degrees

Keyword Description

Forces All Defaults When set to a non zero value, all other values defined in the other fields of the Input data form are discarded

Nodes Projection

Normal Accuracy See SAMCEF Contact manual for more detailsThis field has to be filled only in special cases, to help the algorithm in special contact conditions

Tangential Accuracy (same as above)

Tightening

Reference Distance In some cases, can reduce the computation time; in general, this field has to be left empty


About contacts (part 1)

1. When relative displacements are small, one can assume that a slave node will always be projected onto the same target facet. The facet’s area may be extended when the slave node’s projection is outside.

The SAMCEF Preference will add the <UN2 1> parameter in the output bank file to force this configuration (and reduce the facets search time)

Contact re-profiling is not needed in such a model.

2. When displacements are moderate, one slave node will be in contact with a small number of facets: the <Number of Closest Facets> and the <Reference Distance> default values can be overwritten by the user to reduce the computation time.

Contact re-profiling is not needed in such a model.

Shells Normals Direction

See SAMCEF Contact manual for more detailsIn the case of shells, the pgm cannot compute from the master surface topology where is the material. By default, normals of elements point to the region of slave nodes (and of course, the material is in the opposite direction); this field forces the pgm to choose normal that is the closest to the given direction

Reverse Shells Normals (same as above); this field forces the pgm to change the sign of the

element’s default normal.

Lower Bound

Stop Distance Acts as the master surface has a non-zero thickness (this is, useful for shell thickness modeling)

Friction Coefficient Only one value is required as isotropic friction law is assumed

Friction Option See SAMCEF Contact manual for more details

Contact Option See SAMCEF Contact manual for more details

Number of Closest Facets

Can be combined with the <Reference Distance> criterion to accelerate the computation; in the major situations, this field has not to be filled

Coupled Iteration Method

See SAMCEF Contact manual for more details







Smooting Angle See SAMCEF Contact manual for more details

Keyword Description


84

3. When displacements are large, the previous way of working is not suitable because one should define a large <Reference Distance> and/or a lot of <Closet Facets>.

In such a model, special parameters are added in the output bank file to activate re-profiling: in this case, contact connectivity is recomputed by MECANO at each Newton iteration.


1. «.._SDIS» ; small relative displacements of parts; the node is in contact with one and only one facet; the target facet is computed in the pre-processing phase (the choosen facet is the closest one to the node) and will never change; during each analysis step of the non-linear analysis, MECANO tries to (normally) project the node on this facet; if it can, contact is maintained; if it fails, contact is released; a contact release at time step ’i’ can, of course, be re-activated at time step ’j’ > ’i’

2. «..MDIS»; moderate relative displacements of parts; nodes are in contact with a number of nearest facets selected by the preprocessor; the list of facets is not updated during the non-linear analysis; same rules of «release/reactivation» of contacts as the SDIS is applied but here the module will handle a list of target faces..not one facet alone !

3. «...LDIS»; large relative displacements of parts; the more general contact condition; nodes are in contact with a number of nearest facets selected, not by the pre-processor, but by the MECANO module; during each time step, the MECANO module will update this list of facets . LDIS option will often leads to huge computation time

4. So, if one is sure that non linear geometries are small AND that relative displacements of parts are small, use «SDIS»; in other cases/in doubt, use «LDIS»


1. «CONT_SROT»;Same as «SDIS « PLUS small rotations hypothesis ; so clearly the more restrictive hypothesis!

2. «TIGH_SROT»;is thightening with small rotations in areas where thightening occurs PLUS «small non linear geometries AND small relative displacements»

3. «TIGH_LROT»;is to be used when any of the TIGH_SROT above assumptions are not verified.

Important: Contact conditions cannot be used within a model in which cracks have been defined


About load types and SAMCEF modules

Cyclic Symmetry (Structural)

Load type Bacon command Available for SAMCEF module

Stick .STI linear, non-linear ASEF, MECANO

Tigh_SRot .CPS linear, non-linear ASEF, MECANO

Tigh_LRot .MCT non-linear ONLY MECANO

Cont_SRot .CPS linear, non-linear ASEF, MECANO

Cont_SDis .MCT non-linear ONLY MECANO

Cont_MDis .MCT non-linear ONLY MECANO

Cont_LDis .MCT non-linear ONLY MECANO


86


Definitions

Combinations


Rotation Axis To select the X,Y or Z structural axis for the ’rotation’ option.

Rotation Angle Define the rotation angle value around the selected axis.

The sign of the value defined the direction of the rotation

Number of sectors Define the number of sectors for the cyclic symmetry. Therefore the

rotation angle will be 360�/number_of_sectors.

The sign of the value defined the direction of the rotation

Wave Number Select the mode family to be taken into account in the cyclic boundary consitions

Attribute Number Attribute attached to the generated MAPP elements.

Translation Vector Translation vector of slave nodes (’translation’ option only).

Nodes projection Forces nodes projection on master surface (topology correction)



Dummy If one explicitly defines zeo values for the data above, Patran GUI will not display the LBC main characteristic, like arrows,...

Setting a non zero for the Dummy data will force Patran to display correctly the Lbc. The Dummy data is not exported to Samcef

Input Data Rot. Opt. Trans. Opt.

Rotation Axis X

Rotation Angle X(*)

*mutually exclusive

Number of sectors X(*)

Wave Number X

Attribute Number X X

Translation Vector X

Nodes projection X X

Normal Accuracy X X

Tangential Accuracy X X

Dummy X X


88

Allowed values

Default values


Rotation Axis (1 0 0) for global X axis, (0 1 0) for global Y axis, (0 0 1) for global Z axis. Only global axes can de defined.

Rotation Angle (Real)

Number of sectors (Integer)

Wave Number (Integer)

strictly positive value

Attribute Number (Integer)strictly positive value

Translation Vector (Direction Vector).




Dummy (Integer)Non zero


Rotation Axis COMPULSORY.

Rotation Angle COMPULSORY

Number of sectors COMPULSORY

Wave Number

Attribute Number

Translation Vector COMPULSORY

Nodes Projection projection




Remarks



Rotation Axis

Rotation Angle ’Rotation Angle’ and ’Number of sectors’ values are mutually exclusive

Number of sectors ’Rotation Angle’ and ’Number of sectors’ values are mutually exclusive

Wave Number Wave number must be set to zero for static linear analysis

Wave number is not required for the ’translation’ option

Attribute Number

Translation Vector The ’translation’ option defines a periodic condition more than a cyclic symmetry condition

Nodes Projection no projection




Rotation .ZYG ROTA linear, non-linear ASEF, DYNAM,MECANO

Translation .ZYG TRANS linear, non-linear ASEF, DYNAM,MECANO


90

Mindlin Glue (Structural)


Description

Allowed values

Default values

Remarks



Forces All Defaults When set to a non zero value, all defaults are taken into account.

Reference Distance All shells edges which are at a distance greater than oÉÑÉêÉåÅÉ=aáëí~åÅÉ=from a slave node are ignored during the projection of the slave node. So between this slave node and a rejected shell edges, no SH3D element is generated



Reference Distance (Real)strictly positive



Reference Distance Infinite (i.e. all the edges of the master surface can potentially be taken into account)



Reference Distance In some cases, can reduce the computation time; in general, this field has to be left empty


Shell to Shell .APS linear, non-linear ASEF, DYNAM,MECANO

Shell to Volume .APS linear, non-linear ASEF, DYNAM,MECANO


92

Density of force (Structural)


For Surfacic/Surfacic_Axisym options

For Lineic option

For Lineic in Beam axes option

Remarks

Hybrid Deformation (Structural)

Append (Structural)

Creates a link between homogeneous mesh faces. The first application region is the master face. The second one are to be made of nodes of volumes elements.


Sforce (SFx, SFy, SFz) Surfacic Density of force vector


Lforce (LFx, LFy, LFz) Lineic Density of force vector


PRz Lineic density of force value on the beam z-axis.

PRy Lineic density of force value on the beam y-axis.


Sforce (SFx, SFy, SFz) Surfacic Density allows to enter a density of force along arbitrary axes on the contrary of the Pressure lbc which defined a density of force perpendicular to the element.

A well know example of the Density of Force is the distributed force the snow on a roof

Note: This option is no longer supported.


94

Temperature (Thermal)

This panel allows to define a temperature with/without a time-dependency.


Initial Temperature (Thermal)

This panel allows the definition of an initial temperature


96

Load (Thermal)

Thermal loads are concentrated fluxes at nodes.


Prescribed Temperature at t=0 (Thermal).

This panel allows the definition of the temperature at time=0.


98

Volumic convection (Thermal)

Convection (Thermal)

This panel defines the classical convection on 2D elements (shells or membranes) or on faces of 3D elements


100

Volumic Flux (Thermal)

This panel defines a volumic on elements.The same panel is used for both 2D or 3D target elements


Surfacic Flux (Thermal)

This panel defines the surface flux on 2D elements (shells or membranes) or on faces of 3D elements


102

Radiation (Thermal)


Sticking (Thermal)

This panel helps to modelize classical sticking between two supports.


104

Description

Allowed values

Default values

Remarks


Forces All Defaults When set to a non zero value, all defaults are taken into account.

Nodes Projection Forces nodes projection on master surface (topology correction)



Keyword Description





Keyword Description


Nodes Projection No projection



Keyword Description


Nodes Projection

Normal Accuracy See SAMCEF Contact manual for more details

This field has to be filled only in special cases, to help the algorithm in special contact conditions

Tangential Accuracy (same as above)


Gluing (Thermal)

This panel helps to modelize the thermal gluing between two supports. Thermal properties of the junction can also be defined.


106

Description

Allowed values

Default values

Remarks


Reference Distance All shells edges which are at a distance greater than oÉÑÉêÉåÅÉ=aáëí~åÅÉ=from a slave node are ignored during the projection of the slave node

Interface Conduction Coefficient

Interface Conductance

Radiation Property Emissivity * Stefan-Boltzman constant

Surface Dissipation Surface dissipation

Keyword Description

Reference Distance (Real)strictly positive value


(Real)strictly positive value

Radiation Property (Real)strictly positive value

Surface Dissipation (Real)strictly positive value

Keyword Description

Reference Distance No reference distance


Radiation Property

Surface Dissipation

Keyword Description

Reference Distance In some cases, can reduce computation time, but, in general, this field has to be left empty


Radiation Property In this release, he same input scalar value is applied to both the master and slave support

Surface Dissipation (same as above)

107Chapter 2: Building a ModelLoad Cases

Load Cases

Load cases in MSC Patran are used to group a series of load sets into one load environment for the model. A load case, not load sets, is selected when preparing an analysis. The individual load sets are translated into the input options described in the Object Tables of the section on Loads and Boundary Conditions form.

Patran Interface to SAMCEF Preference GuideLoad Cases

108

For Thermal analyses, all the loadcases created/handled must be TimeDependent

Chapter 3: Running an Analysis


3 Running an Analysis

� Review of the Analysis Form 110

� Execution Parameters 113

� Solution Types 116

� Options for Chaining 117

� Solution Parameters 122

� Specific Options 125

� Select Load Cases 140

� Output Requests 142

Patran Interface to SAMCEF Preference GuideReview of the Analysis Form

110

Review of the Analysis Form

The Analysis toggle on the main menu for MSC Patran brings up the Analysis form which can be used to request an analysis of the model with the SAMCEF finite element program. For details see The

Analysis Form (p. 8) in the MSC.Patran Reference Manual. It can also be used to incorporate the contents of a SAMCEF results file into the database. See Read Results.

The following page gives an introduction to the Analysis form used to prepare a SAMCEF analysis. This is followed by detailed descriptions of the subordinate forms that can be displayed from the Analysis

form.

111Chapter 3: Running an AnalysisReview of the Analysis Form

Analysis Form

Setting the Action option menu to Analyze indicates that an analysis run is being prepared.

Patran Interface to SAMCEF Preference GuideReview of the Analysis Form

112

The following table shows the allowable selections for the Analyze action.

The Method indicates how far the translation is to be taken.

Which files have to be moved to the UNIX machine?

Object Method

Entire Model BACON FileFull RunInteractive RunUnix Computed Files (on W2000 only)

If BACON File is selected a complete BACON input file is created.

If Full Run is selected an Analysis Deck translation is done, and the resulting input deck is submitted to BACON and thereafter to SAMCEF which is run in the background.

If Interactive Run is selected SAMCEF will be run in the foreground, with MSC Patran suspended until the execution is complete.

if Unix Computed Files is selected (on W2000 release only)

the Samcef Preference will generate all the files compatible with an analysis to be performed on UNIX machines. However, no remote computation is launched, so you have to manually move these files to a selected UNIX machine to be able to run SAMCEF on this UNIX machine.

File Name Description

jobname.dat This is a BACON “banque” file created by the interface.

jobname_mesh.dat This is a BACON “banque” file containing only topology.

This file is optional: for many jobs, topology is directly included in the ’jobname.dat file’

SAMRUN This is a UNIX script used to run SAMCEF, generated by MSC Patran.

SAMANSWERS* These files contain information generated by MSC Patran.

113Chapter 3: Running an AnalysisExecution Parameters

Execution Parameters

This subordinate form appears whenever Execution Parameters is selected (Structural analysis).

This subordinate form appears whenever Execution Parameters is selected (Thermal analysis)

Patran Interface to SAMCEF Preference GuideExecution Parameters

114

115Chapter 3: Running an AnalysisExecution Parameters

The Release Info panel (Structural and Thermal analyses)

Patran Interface to SAMCEF Preference GuideSolution Types

116

Solution Types

This subordinate form appears whenever Solution Type is selected on the Analysis form. For more information, see The Analysis Form (p. 8) in the MSC.Patran Reference Manual. It displays the available solution types for the analysis type chosen. See Preferences>Analysis (p. 431) in the Patran Reference

Manual. Chaining allows for chained analysis but only one solution type can be selected. The information that is requested on the Solution Parameters, Specific Options, and Output Requests forms varies based on this selection.

117Chapter 3: Running an AnalysisOptions for Chaining

Options for Chaining

The Options for Chaining form provides a set of standard options for defining initial conditions for analyses by either reading initial data or performing a preset sequence of analyses. For example, the form illustrated below provides for defining initial and other special conditions for a Structural Static Linear Analysis.

(continued)

Patran Interface to SAMCEF Preference GuideOptions for Chaining

118


Manual Recombination Options (Dynamic analyses only)

Patran Interface to SAMCEF Preference GuideOptions for Chaining

120

Crack Creation definition form


The form illustrated below provides the chaining options for a Thermal analysis.

Patran Interface to SAMCEF Preference GuideSolution Parameters

122

Solution Parameters

This subordinate form appears whenever the Solution Parameters button is selected. The form is identical for all solution types but the available options may vary. The solution parameters for a ASEF analysis are shown below.

123Chapter 3: Running an AnalysisSolution Parameters

Friction Algorithm

The form illustrated below provides the solution parameters for a Thermal analysis

Patran Interface to SAMCEF Preference GuideSolution Parameters

124

125Chapter 3: Running an AnalysisSpecific Options

Specific Options

The Specific Options subsidiary forms allow the user to define data required for a particular solution type. These forms are described on the following pages.

Patran Interface to SAMCEF Preference GuideSpecific Options

126

Linear Static (’Transient’ Static parameters)(Structural analysis)


Natural Frequency (Structural analysis)


128

Natural Frequency -POSTFAC Manual Input


Buckling (Structural analysis)

This subordinate form appears whenever the Solution Type is Buckling. (The form will be named appropriately.)


130

Elasto-Visco-Plastic Parameters (Structural analysis)

This subordinate form appears whenever the Solution Type is Elasto-Visco-Plastic.


Transient Analysis Parameters (Structural analysis)


132

Calculation Time Steps (Structural analysis)


Transient Parameters (Thermal analysis)


134

(continued)


Calculation Time Steps (Thermal analysis)

(continued) Manually handling times (part 1)


136

(continued) Manually handling Times (part 2)


(continued) Manually handling times (Tips and Tricks)


138

Question Answer

Is the spreadsheet of times saved in the database?

Yes. And you’ll retrieve it when you will reload the database again.But don’t forget that all the characteristics you have defined under the Analysis panel and sub-panels will only be saved when the Apply button of the Analysis main panel will be invoked!

Can I select more than one time at a glance?

Yes you can select continuous row by using shift-click.

And for non contiguous row? No, you cannot select non contiguous rows in this release.

How can I use a subset of all the times available in the selected loadcases?

Just click on the Default button to retrieve all the times form the selected loadcases, check the «Manually Handling Times» toggle. Then click/shift-click anywhere in the row(s) of the time(s) you want to delete and click on the «Delete Times» button

I fired some times but I want to recover them?

There is no direct «undo». However, you can force-quit the spreadsheet by clicking on the «Cancel»button. But of course, you’ll loose all the operations you performed on the times since the last moment you access the spreadsheet panel.

What’s the «Strat Time T1...» field for?

This field simply shows the start/end time which can be infer from the whole times list. This field cannot be modified.

What’s the «Times Increment» field for?

This field indicates the standard time increment that will be used by the integration process to go from ’T1’ to ’T2’. If the «Manually Handling Times» toggle is on, you’ll have the opportunity to change it. But, please note that each time the list of times will change, the increment will be re-computed.

When I modify the list of the selected loadcases (Analysis/Select Loadcases), the times spreadsheet is prompted to me: why?

By doing this, we will warn you that the times list has changed because you certainly add/remove some loadcases containing times steps. There is no way to disable this action.

Question Answer

The «Add Time...» fields offers me the opportunity to add times, following a linear progression rule. Is there other way to manually enter a complex list of times?

Not available in this release.


Can I import times for an external source (i.e an EXCEL file,..)

Not available in this release.

What is the major difference between the «Default» button in the spreadsheet and the action of adding/removing loadcases from the selected loadcases list?

The «Default» button of the spreadsheet will re-initialize the times list with (and only with) the times available in the selected loadcases: if you had manually added times, they are disregarded. When changing the list of selected loadcases, you simply update the spreadsheet as far as the times retrieved from the selected

loadcases are concerned: manual times previously added in the spreadsheet will not be cleaned.

Question Answer

Patran Interface to SAMCEF Preference GuideSelect Load Cases

140

Select Load Cases

This form allows selection of the load case to be used for this run. The form is brought up when the user selects the Select Load Cases button on the Analysis form (Structural analysis)

141Chapter 3: Running an AnalysisSelect Load Cases

The form below is brought up when the user selects the Select Load Cases button on the Analysis form (Thermal analysis)

Patran Interface to SAMCEF Preference GuideOutput Requests

142

Output Requests

The Output Requests forms allow the definition of what data is desired from the analysis code in the fçêm of results. These forms will change depending on the selected solution type. All output requests are for the entire model. The settings can be accepted, as altered, by selecting the OK button on the bottom of the form. If the Cancel button is selected instead, the form will be closed without any of the changes being accepted. Selecting the Default button resets the form to the initial default settings.

Note: In the following screen-captures of the forms, the displayed list of codes are for tutorial

purposes only. The codes which really appear in the panels may vary according the Patran and/or Samcef release targeted by the Preference.

143Chapter 3: Running an AnalysisOutput Requests

.

(continued)


144

(continued)


146

Linear Static Analysis

General Output Requests Sub-form


Storage Output Requests Sub-form


148

«On Nodes»,»On Nodes/Time» Output Requests Sub-forms

«On Nodes» Available codes

«On Nodes/Time» Available codes

Code 221 Residual

Code 9153 Position

Code 9163 Displacement


«On Elements», «On Elements/Time» Output Requests Sub-forms

Code 9173 Velocity

Code 9183 Acceleration

Code 9184 External Load

Code 9221 Residual


150

«On Elements» Available codes

«On Elements/Time» Available codes

Code 3310 Equivalent Von Mises Stress (Med)

Code 3331 Equivalent Von Mises Stress (Up)

Code 3332 Equivalent Von Mises Stress

Code 3320 Equivalent Plastic Strain

Code 3411 Stress Tensor

Code 3431 2D Stress Tensor (Med)

Code 3435 2D Stress Tensor (Up)

Code 3436 2D Stress Tensor (Low)

Code 3437 Normal Force

Code 3438 Moment

Code 3439 MNT Data (Beams)

Code 3440 Normal Stress Data (Beams Sections Points)

Code 3450 Shear Stress Data (Beams Sections Points)











Code 9332 Equivalent Von Mises Stress (Low)



Code 9381 Equivalent Plastic Strain (Med)

Code 9382 Equivalent Plastic Strain (Up)

Code 9380 Equivalent Plastic Strain (Low)

Code 9327 Equivalent Total Strain

Code 9328 Temperature

Code 9334 Strain Energy

Code 9356 Scalar Damage

Code 9390 Equivalent Stress for Non Elastic Material (Med)

Code 9391 Equivalent Stress for Non Elastic Material (Up)

Code 9392 Equivalent Stress for Non Elastic Material (Low)

Code 9421 Total Strain Tensor

Code 9445 Total Strain Tensor (Up)

Code 9446 Total Strain Tensor (Low)

Code 9423 Mechanical Strain Tensor

Code 9425 Plastic Strain Tensor

Code 9431 Stress Tensor for Linear Elastic Material (Med)

Code 9435 Stress Tensor for Linear Elastic Material (Up)

Code 9436 Stress Tensor for Linear Elastic Material (Low)

Code 9437 Tensor of Normal Forces

Code 9438 Tensor of Bending Moments

Code 9456 Tensor of Damage

Code 9470 Stress Tensor for Non Linear Material (Med)

Code 9471 Stress Tensor for Non Linear Material (Up)

Code 9472 Stress Tensor for Non Linear Material (Low)

Code 9556 Vector of Damage

Code 9522 Principal Elongation Vector


152

Natural Frequency Analysis






Code 9438 Moment





«On Nodes» Output Requests Sub-form


154


Code 221 Residual


«On Elements» Output Requests Sub-form











156


Code 3438 Moment













Buckling Analysis






158

Elasto-Visco-Plastic Analysis



160

«On Nodes»,»On Nodes/Time» Output Requests Sub-forms


«On Nodes/Time» Available codes

Code 221 Residual

Code 9153 Position

Code 9163 Displacement


«On Elements», «On Elements/Time» Output Requests Sub-forms

Code 9173 Velocity

Code 9183 Acceleration

Code 9184 External Load

Code 9221 Residual


162











Code 3438 Moment




Code 3441 Kirchoff Stress Tensor

Code 3442 Cauchy Stress Tensor

Code 3443 Biot Stress Tensor

Code 3451 Green-Lagrange Strain Tensor

Code 3452 Natural Strain Tensor

Code 3453 Biot Strain Tensor

Code 3407 2D Kirchoff Stress Tensor (Low)

Code 3408 2D Cauchy Stress Tensor (Low)

Code 3409 2D Biot Stress Tensor (Low)

Code 3417 2D Green-LagrangeStain Tensor (Low)

Code 3418 2D Natural Strain Tensor (Low)

Code 3419 2D Biot Strain Tensor (Low)

Code 3447 2D Kirchoff Stress Tensor (Med)


Code 3448 2D Cauchy Stress Tensor (Med)

Code 3449 2D Biot Stress Tensor (Med)

Code 3457 2D Green-LagrangeStain Tensor (Med)

Code 3458 2D Natural Strain Tensor (Med)

Code 3459 2D Biot Strain Tensor (Med)

Code 3477 2D Kirchoff Stress Tensor (Up)

Code 3478 2D Cauchy Stress Tensor (Up)

Code 3479 2D Biot Stress Tensor (Up)

Code 3487 2D Green-LagrangeStain Tensor (Up)

Code 3488 2D Natural Strain Tensor (Up)

Code 3489 2D Biot Strain Tensor (Up)









Code 1441 Kirchoff Stress Tensor

Code 1442 Cauchy Stress Tensor

Code 1443 Biot Stress Tensor

Code 1451 Green-Lagrange Strain Tensor

Code 1452 Natural Strain Tensor

Code 1453 Biot Strain Tensor

Code 1407 2D Kirchoff Stress Tensor (Low)

Code 1408 2D Cauchy Stress Tensor (Low)


164

Code 1409 2D Biot Stress Tensor (Low)

Code 1417 2D Green-LagrangeStain Tensor (Low)

Code 1418 2D Natural Strain Tensor (Low)

Code 1419 2D Biot Strain Tensor (Low)

Code 1447 2D Kirchoff Stress Tensor (Med)

Code 1448 2D Cauchy Stress Tensor (Med)

Code 3449 2D Biot Stress Tensor (Med)

Code 1457 2D Green-LagrangeStain Tensor (Med)

Code 1458 2D Natural Strain Tensor (Med)

Code 1459 2D Biot Strain Tensor (Med)

Code 1477 2D Kirchoff Stress Tensor (Up)

Code 1478 2D Cauchy Stress Tensor (Up)

Code 1479 2D Biot Stress Tensor (Up)

Code 1487 2D Green-LagrangeStain Tensor (Up)

Code 1488 2D Natural Strain Tensor (Up)

Code 1489 2D Biot Strain Tensor (Up)


«On Elements/Time» Available codes



Code 9332 Equivalent Von Mises Stress (Low)


Code 9381 Equivalent Plastic Strain (Med)

Code 9382 Equivalent Plastic Strain (Up)

Code 9380 Equivalent Plastic Strain (Low)

Code 9327 Equivalent Total Strain


Code 9334 Strain Energy

Code 9356 Scalar Damage

Code 9390 Equivalent Stress for Non Elastic Material (Med)

Code 9391 Equivalent Stress for Non Elastic Material (Up)

Code 9392 Equivalent Stress for Non Elastic Material (Low)

Code 9421 Total Strain Tensor

Code 9445 Total Strain Tensor (Up)

Code 9446 Total Strain Tensor (Low)

Code 9423 Mechanical Strain Tensor

Code 9425 Plastic Strain Tensor

Code 9431 Stress Tensor for Linear Elastic Material (Med)

Code 9435 Stress Tensor for Linear Elastic Material (Up)

Code 9436 Stress Tensor for Linear Elastic Material (Low)

Code 9437 Tensor of Normal Forces

Code 9438 Tensor of Bending Moments

Code 9456 Tensor of Damage

Code 9470 Stress Tensor for Non Linear Material (Med)


166

Steady-State and Transient Thermal analyses


Code 9471 Stress Tensor for Non Linear Material (Up)

Code 9472 Stress Tensor for Non Linear Material (Low)

Code 9556 Vector of Damage

Code 9522 Principal Elongation Vector





Code 9438 Moment




168

Code 120 Nodal Temperature

Code 121 Rate of Temperature variation

Code 1120 Nodal Temperature (skin 2)

Code 1121 Rate of Temperature Variation (skin2)


«On Nodes/Time» Output Requests Sub-form



Code 9121 Temperature variation Rate

Code 9221 Residue (in structural axes)


170


«On Elements/Time» Output Requests Sub-form

Code 3511 Conductive Flux

Code 3521 Conductive Flux (shells/membranes)

Code 3810 Total Applied Flux

Code 3801 Applied Surface Flux

Code 3802 Applied Convective Flux

Code 3805 Absorbed radiative Flux

Code 3806 Emitted radiative Flux


172



Code 9810 Total Applied Flux

Code 9801 Applied Surface Flux

Code 9802 Applied Convective Flux

Code 9804 Resultant Radiative Flux

Code 9805 Absorbed radiative Flux

Code 9806 Emitted Radiative Flux

Chapter 4: Read Results


4 Read Results

� Review of the Read Results Form 174

� Translation Parameters 177

� Select Results File 179

� Data/Results Translated from the Analysis Code Results File 181

Patran Interface to SAMCEF Preference GuideReview of the Read Results Form

174

Review of the Read Results Form

By choosing the Analysis toggle located on the main form for MSC Patran, an Analysis form will appear.

Selecting Read Results as the Action on the Analysis form allows the user to read results data into the MSC Patran database from text (jobname.des and jobname.fmt) or binary (jobname.des and jobname.fac) SAMCEF files. Other forms that are accessible from here are used to define translation parameters and select the SAMCEF results file. These forms are described on the following pages.

Read Results Form

After setting the Action on the Analysis form to Read Results, the form is customized to appear as below. The form is now used to define and select the data to be read from the SAMCEF database into MSC Patran.

175Chapter 4: Read ResultsReview of the Read Results Form

Patran Interface to SAMCEF Preference GuideReview of the Read Results Form

176

Important:Simply importing a model data from a SAMCEF results file into a empty Patran database does not create a complete, self-consistent Patran model!!!

Up to now, there is no way to import a complete Samcef model into Patran

177Chapter 4: Read ResultsTranslation Parameters

Translation Parameters

This form is used to control reading data from an SAMCEF results file.

Patran Interface to SAMCEF Preference GuideTranslation Parameters

178

Depending on the selected object (Result Entities, Model, or Both), the model options are the following:

Note: Set the default language in the “settings.pcl” file (Français or English).

OBJECT DESCRIPTION

Check Model(Results Entities)

The translator will verify that the nodes list and the elements list are the same in MSC Patran and in SAMCEF files. If not,

the execution is stopped.

NoCheck Model(Results Entities)

No check is performed.

Database

(Model Data or Both)

The translator will verify that the nodes and the elements exist in the MSC Patran database. If not, the model is reloaded from the SAMCEF files into the MSC Patran database.

If the model is present in the MSC Patran database, the compatibility is checked, as in the option Check Model.

Neutral(Model Data)

In all cases, the model is translated from the SAMCEF files to a MSC Patran 2.5 Neutral file format: ‘problem’.out.

179Chapter 4: Read ResultsSelect Results File

Select Results File

How are the SAMCEF results designated in the MSC Patran database?

SAMCEF result types are classified in several categories. The postprocessor of SAMCEF uses a dictionary that gives the characteristics of each type. The SAMPAT3 translator uses the same dictionary file to handle the results found in the file, so the results designation is exactly the same as the one used in SAMCEF.

The SAMPAT3 translator creates a primary load case in the MSC Patran database for each SAMCEF module (in uppercase). When Global Variables (e.g., time, frequency) are used associated with secondary load cases, their names are taken from the SAMCEF dictionary (in uppercase too).

When transient selected results (SAMCEF codes 9xx or 9xxx) are imported, the translator creates another primary load case, also named with the SAMCEF module name (but in lower case this time). This allows an easy selection during results processing (selection by primary load cases). To avoid confusion, the related Global Variables are named in lowercase too.

The Select file form allows the user to select a file to be read. There are several features available. This form is brought up when the user selects the Select Results File button on the Read Results form. The default file filters will change depending on the Current analysis code in the Preferences menu.

Patran Interface to SAMCEF Preference GuideSelect Results File

180

181Chapter 4: Read ResultsData/Results Translated from the Analysis Code Results File

Data/Results Translated from the Analysis Code Results File

Data

When reading model data from a SAMCEF results file, the following table defines all the data which will be created in the MSC Patran database, and where it is derived from in the results file. No other model data is extracted from the results file. This data are, in most of the cases, sufficient for evaluating any results values.

Results

Thanks to its direct coupling with the Samcef Results Codes Dictionary, the Samcef Preference is able to import quite almost all of the results Samcef modules (the ones available in the preference) are able to generate. The table below shows the most common results codes generated by Samcef.

The following tables described most of the available results after a Structural analysis.

Item Result Key Description

Nodes 100

153

Node ID

Nodal Coordinates

Elements 300

302

Element ID

Nodal Connectivity

Important:Reading model data from a SAMCEF results file into a empty Patran database is not at all a valid way to import a Samcef model into Patran!!!

Note: The selection of most of the codes described hereafter (but not all) can be driven in the Analysis/Output Requests panel.

Depending on the chosen analysis module, some of the codes of the table below may be not present in the results file.

The table below does not show ALL the possible codes available in the results file after an analysis.

Patran Interface to SAMCEF Preference GuideData/Results Translated from the Analysis Code Results File

182

Primary Label SOL PostCodes Description

Nodal Scalars Scalar 120 Nodal temperatures

Scalar 121 Rate of temperature variation

Scalar .. more

Displacements Vector 163 Nodal displacements (DX, DY, DZ)

Nodal Vectors Vector 173 Nodal speeds (VX, VY, VZ)

Vector 183 Nodal acceleration (AX, AY, AZ)

Vector .. more

Nodal Reactions -- 221 Nodal reaction


Element Average Scalars

Scalar 3310 Equivalent Von Mises Stress (Med)

Scalar 3331 Equivalent Von Mises Stress (Up)

Scalar 3332 Equivalent Von Mises Stress

Scalar 3320 Equivalent plastic strain

Scalar .. more

Element AverageTensors

Tensor 3411 Mean stress tensor

Tensor 3431 2D Stress Tensor (Med)

Tensor 3435 2D Stress Tensor (Up)

Tensor 3436 2D Stress Tensor (Low)

Tensor 3437 Normal Force

Tensor 3438 Moment

Tensor .. more

Element by Node Scalars

Scalar 1320 Equivalent plastic strain

Scalar .. more

Element by Node Tensors

TensorTensor

14111431

Stress Tensor2D Stress Tensor (Med)

Tensor 1435 2D Stress Tensor (Up)

Tensor 1436 2D Stress Tensor (Low)

Tensor 1437 Normal Force

Tensor 1438 Moment

Tensor .. more

Beam Results (element by node)

TensorTensorTensorTensorTensor

14391440145015241525

MNT dataNormal Stress DataShear Stress DataEffortsMoments

Beam results (average per element)

TensorTensorTensorTensorTensor

34393440345035243525

MNT dataNormal Stress DataShear Stress DataEffortsMoments



184

Select (transient) Results

Curve

Curve

9153

9163

Position

Displacement

Curve 9173 Velocity

Curve 9183 Acceleration

Curve 9184 External load

Curve 9221 Residual

Curve 9310 Equivalent Von Mises Stress (Med)

Curve 9331 Equivalent Von Mises Stress (Up)

Curve 9332 Equivalent Von Mises Stress (Low)

Curve 9320 Equivalent Plastic Strain

Curve 9381 Equivalent Plastic Strain (Med)

Curve 9382 Equivalent Plastic Strain (Up)

Curve 9380 Equivalent Plastic Strain (Low)

Curve 9327 Equivalent Total Strain

Curve 9328 Temperature

Curve 9334 Strain Energy

Curve 9356 Scalar Damage

Curve 9390 Equivalent Stress for Non Elastic Material (Med)

Curve 9391 Equivalent Stress for Non Elastic Material (Up)

Curve 9392 Equivalent Stress for Non Elastic Material (Low)

Curve 9421 Total Strain Tensor

Curve 9445 Total Strain Tensor (Up)

Curve 9446 Total Strain Tensor (Low)

Curve 9423 Mechanical Strain Tensor

Curve 9425 Plastic Strain Tensor



Curve 9431 Stress Tensor for Linear Elastic Material (Med)

Curve 9435 Stress Tensor for Linear Elastic Material (Up)

Curve 9436 Stress Tensor for Linear Elastic Material (Low)

Curve 9437 Tensor of Normal Forces

Curve 9438 Tensor of Bending Moments

Curve 9470 Stress Tensor for Non Linear Material (Med)

Curve 9471 Stress Tensor for Non Linear Material (Up)

Curve 9472 Stress Tensor for Non Linear Material (Low)

Curve 9556 Vector of Damage

Curve 9522 Principal Elongation Vector

Curve 9431 2D Stress Tensor (Med)

Curve 9435 2D Stress Tensor (Up)

Curve 9436 2D Stress Tensor (Low)

Curve 9437 Normal Force

Curve 9438 Moment

Curve 9439 MNT Data (Beams)

Curve 9440 Normal Stress Data (Beams Sections Points)

Curve .. more



186

Composite Results

x=1: result per node per element per ply

x411

2x411

Stress tensor (volumes or shells_med)

Stress tensor (shells_up)

x=3: average per element per ply

1x411

x421

Stress tensor (shells_low)

Strain tensor (volumes or shells_med)

x=9: function of time results constant by element

2x421

1x421

Strain tensor (shells_up)

Strain tensor (shells_low)

Failure criteria

x=1: result per node per element per ply

x=3: average per element per ply

x=7: result for the critical ply

x=8: number of the critical ply

x=9: function of time results constant by element

Tsai-Hill 1

Tsai-Hill 2

Tsai-Hill 3

Tsai-Wu

Hashin 1

Hashin 2

Hashin 3

Max strain

Max stress

Stress ratio

Strain ratio

Rice & Tracey

x621

2x621

1x621

volumes or shells_med

shells_up

shells_low

same with 622

same with 623

same with 624

same with 625

same with 626

same with 627

same with 628

same with 629

same with 630

same with 631

same with 632



The following tables described most of the available results after a Thermal analysis.

Scalar 703 Critical ply number

Scalar 704 Criterion value for the critical ply

Codes 7xx are obsolete

Scalar 705 Critical ply number/ TSAI-HILL criterion

Scalar 706 TSAI-HILL criterion value for the critical ply

Tensor 709 Strains in orthotropic coordinate system

Tensor 710 Stresses in orthotropic coordinate system

Tensor 711 Transverse stresses in orthotropic coordinate system


Nodal Scalars Scalar 120 Nodal temperatures

Scalar 121 Rate of temperature variation

Scalar 1120 Nodal Temperature (skin 2)

Scalar 1121 Rate of temperature variation (skin 2)

Scalar 122 Nodal pressure

Scalar .. more

Displacements Vector 163 Nodal displacements (DX, DY, DZ)

Resisudes -- 225 Residue



188

Element Average Scalars

Scalar 3810 Total Applied Flux

Scalar 3801 Applied Surface Flux

Scalar 3802 Applied Convective Flux

Scalar 3804 Resultant Radiative Flux

Scalar 3805 Absorbed Radiative Flux

Scalar 3806 Emitted Radiative Flux

Scalar .. more

Element AverageVectors

Vector 3511 Conductive Flux

Vector 3521 Conductive Flux (shells/membranes)

Vector 3513 Gas Mass Flux

Vector 3523 Gas Mass Flux (shells/membranes)

Vector .. more

Element by Node Scalars

Scalar 3810 Total Applied Flux

Scalar 3801 Applied Surface Flux

Scalar 3802 Applied Convective Flux

Scalar 3804 Resultant Radiative Flux

Scalar 3805 Absorbed Radiative Flux

Scalar 3806 Emitted Radiative Flux

Scalar .. more

Element by Node Vectors

Vector

Vector

1511

1521

Conductive Flux

Conductive Flux (shells/membranes)



Vector .. more



Select (transient) Results

Curve

Curve

9120

9121

Nodal Temperature

Rate of temperature variation

Curve 9221 Residue

Curve 9511 Conductive Flux

Curve 9521 Conductive Flux (shells/membranes)

Curve 9810 Total Applied Flux

Curve 9801 Applied Surface Flux

Curve 9802 Applied Convective Flux

Curve 9804 Resultant Radiate Flux

Curve 9805 Absorbed Radiative Flux

Curve 9806 Emitted Radiative Flux

Curve .. more



190

Chapter 5: Files


5 Files

� Access to the File Control Form 192

� Files 194

� Environment Variables 197

� The Forward Translator JobFile 198

� The Reverse Translator JobFile 217

Patran Interface to SAMCEF Preference GuideAccess to the File Control Form

192

Access to the File Control Form

By choosing the Analysis toggle located on the main form for MSC Patran, an Analysis form will appear.

Selecting File Control as the Action on the Analysis form allows the user to review and edit files using a text editor. Use of the form is described below.MSC.Nastran

File Control Form

After setting the Action on the Analysis form to Read Results the form is customized to appear as below. The form is now used to select the file to be read/edited.

193Chapter 5: FilesAccess to the File Control Form

Patran Interface to SAMCEF Preference GuideFiles

194

Files

There are several files that are either used or created by the MSC Patran SAMCEF Preference. The following tables describes each file and how it is used. In the definition of the file names, any occurrence of jobname would be replaced with the jobname assigned by the user.

195Chapter 5: FilesFiles

General files

Forward Translation

Reverse Translation


jobname.db This is the MSC Patran database from which the model data is read during an analyze pass, and into which model and/or results data are written during a Read Results pass.

settings.pcl This file is used to define a number of environmental variables. These are used to set the default language for the forms and the preferred text editor referenced on the File Control form.


jobname.jba This a job file that is used to pass information between MSC Patran and the Application Preference during translation. The user should never

have a need to do anything directly with this file.

jobname.dat This is a BACON “banque” file created by the interface.

jobname_mesh.dat This is a BACON “banque” file containing only topology.

This file is optional: for many jobs, topology is directly included in the ’jobname.dat file’

jobname.msg These message files contain any diagnostic output from the forward translation.

SamcefSubmit Called on to submit both the forward PAT3SAM translation program, as well as to submit SAMCEF after translation is complete.

SAMRUN (Unix only) This is a UNIX script used to run SAMCEF, generated by

MSC Patran.

SAMRUN.cmd, SAMRUN2.cmd

(W2000 only) Scripts used to run SAMCEF; generated by Patran

SAMANSWERS* This file contains information generated by MSC Patran.


jobname.jbr This small job file is used to pass certain information between MSC Patran and the Application Preference during translation. The user should never

have a need to do anything directly with this file.

jobname.des.facjobname.des.fmt

These are SAMCEF results files - binary if .fac, formatted if .fmt.

ResultsSubmit Called on to submit the reverse, SAMPAT3 translation. program.

Patran Interface to SAMCEF Preference GuideFiles

196

dic_van/vfr.dic This is the SAMCEF dictionary. To run properly, the translator must be in a SAMCEF environment. The path is given by the variable SAM_EXE, already defined in SAMCEF, if installed. If needed, copy this file into the translator directory and modify the path in the variable SAM_EXE.

jobname.message This message file is created when output is redirected to a file.

jobname.errors This file contains errors and/or warnings generated during translation.

jobname.out This is a MSC Patran 2.5 Neutral file, created at the user’s request.

jobname.query This file is used during a QUERY run. It contains a formatted list of the available results.


197Chapter 5: FilesEnvironment Variables

Environment Variables

The settings.pcl File

The following variables may be set in the “settings.pcl” file:

For example, to generate French labels in the analysis form, enter the command: pref_env_set_string ("samcef_language", "Francais")

SAMPAT3

The SAMPAT3 translator must run in a SAMCEF environment. The required auxiliary files are stored in a site directory (“dir_where_samcef_is”):

dic_van.dic

dic_vfr.dic

samcef.proc

Needed environment variables:

samcef_language “English” or “Fran´ais.” Set the default language for the analysis forms, the messages produced by the reverse translator and the results designation in the P3 DataBase.

samcef_editor Set the preferred editor to be used in the “File Control” action of the analyze form.Full path to the editor executable file is highly recommended.

samcef_script_method “SEPARATE” or “ALL_IN_1” SAMCEF. Runs are performed separately or in one pass. For programmers only.

samcef_unix_shell (Unix only) “C” or “Bourne.” The scripts generated by the PCL code to run SAMCEF include environment variable definition. This is done by “setenv” or “set ...=”

Patran Interface to SAMCEF Preference GuideThe Forward Translator JobFile

198

The Forward Translator JobFile

The forward translator, PAT3SAM, is driven by a JobFile containing the information and the directives to be used for building the entries in the BACON “banque” data file.

The general structure of that file is given below, explained with reference to an example of a JobFile driving a pre-stressed static analysis. Only basics keywords, items,.. are detailed: contents of the JobFile may vary according to the target Patran and/or Samcef releases.

Each line has a maximum size of 80 columns and the following syntax:

KEYWORD[17] - “ = “ - VALUE[60]

Part 1

The first part of the file contains Job information, including file names etc. The meaning of the Keywords used in the file is defined below:

Example:

ANALYSIS TYPE = ! LINEAR STATIC (ASEF)

SAMCEF RELEASE = 9

BACON = 1lineic.dat

POSTFAC FILE = 1lineic.pos

USERPROC FILE = 1lineic.proc

BACON Name of the main BACON File

BACON MESH Name of the secondary BACON File if requested (topology: only .NOE/.MAI/.SEL[user's groups])

SAMCEF RELEASE Target SAMCEF release

POSTFAC FILE Name of the optional POSTFAC input file

USERPROC FILE If a SAM_USERPROC is used (for information only)

MESSAGE Name of the message file used by the translator

TRANSTOL Translation Tolerance

MODEPREC,DPREC1,DPREC2

Accuracies

SUPER* Flags for superelements. Obsolete

STRESS SMOOTHING Error Estimation computation Obsolete

JOBNAME Jobname

ANALYSIS TITLE Analysis Title

199Chapter 5: FilesThe Forward Translator JobFile

MESSAGE = 1lineic.msg

TRANSTOL = 1.E-8

MODEPREC = 0.005

DPREC1 = 0.005

DPREC2 = 0.005

SUPERELEMENT CRE = OFF

SUPERELEMENT ASS = OFF

SUPERELEMENT RES = OFF

STRESS SMOOTHING = OFF

JOBNAME = 1lineic

ANALYSIS TITLE = ! SAMCEF job created on 25-Mar-02 at 09:13:38

This part ends when a keyword starting the second part appears (i.e., “$Start”).

Part 2

In this second part there are some directives used to build the BACON “banque” data files. This part ends when the end-of-file is reached. Two types of keyword are recognized:

1. The KEYWORD contains a “$” sign: it contains a directive and an appropriate action to be executed (see below).

1. The KEYWORD doesn't contain any “$” sign: it is a BACON command (or comment) generated by the PCL program. One has only to copy the VALUE in the BACON File.

Note that in this part, the first word found in the keyword is always the current BACON label. The directive is to be extracted, starting at the “$” sign.G=


200

JobFile Example

An example Jobfile is as follows:

$$ Jobfile for SAMCEF created 25-Mar-02 at 09:14:02

$$ SAMCEF PREFERENCE RELEASE = Fri 22 Mar 2002

$$ DATABASE =

/hosts/cauchy/cauchy2/demoulin/Patran/Pref/P2002r1/./1lineic.db

ANALYSIS TYPE = ! LINEAR STATIC (ASEF)

SAMCEF RELEASE = 9

BACON = 1lineic.dat

POSTFAC FILE = 1lineic.pos

USERPROC FILE = 1lineic.proc

MESSAGE = 1lineic.msg

TRANSTOL = 1.E-8

MODEPREC = 0.005

DPREC1 = 0.005

Directive Value Action

$Start BACON Label Starts a BACON entry.

$Topology <none> Asks for the generation of the topology (.NOE/.MAI/.SEL). Used to produce a single data file (appears only if BACON MESH is not previously given).

$PFStart <none> Starts a POSTFAC entry: all the following lines are to be written on a separate file (name given by the keyword POSTFAC FILE in

the general section). Note that the lines starting with “!” must be ignored.

$PFEnd <none> Ends a POSTFAC section: the writing returns on the BACON File.

$Materials <none> Generate the BACON commands describing the materials.

$EltsProps <none> Generate the BACON commands describing the element properties.

$LoadCase LC ID Generate the BACON commands describing the loads and the boundary conditions corresponding to the given LoadCase.

$LdCsDy LC ID Same as $LoadCase but for a modal analysis.

$LoadCaseP LC ID Same as $LoadCase but for a pre-stress analysis.


DPREC2 = 0.005

SUPERELEMENT CRE = OFF

SUPERELEMENT ASS = OFF

SUPERELEMENT RES = OFF

STRESS SMOOTHING = OFF

JOBNAME = 1lineic

ANALYSIS TITLE = ! SAMCEF job created on 25-Mar-02 at 09:13:38

ASEF $Start = ASEF

ASEF CMMNT1 = !

ASEF CMMNT2 = ! LINEAR STATIC (ASEF)

ASEF CMMNT3 = !

ASEF MODE = MODE I 0 LECT 132 M 1 ECHO 1

ASEF CMMNT4 = !---------------------------------------

ASEF CMMNT5 = ! Topology

ASEF CMMNT6 = !---------------------------------------

ASEF $Topology = !

ASEF CMMNT7 = !---------------------------------------

ASEF CMMNT8 = ! Materials

ASEF CMMNT9 = !---------------------------------------

ASEF $Materials = !

ASEF CMMNT10 = !---------------------------------------

ASEF CMMNT11 = ! EltsProps

ASEF CMMNT12 = !---------------------------------------

ASEF $EltsProps = !

ASEF CMMNT13 = !---------------------------------------

ASEF CMMNT14 = ! Miscellaneous

ASEF CMMNT15 = !---------------------------------------

ASEF SAM NOPS = .SAM NOP1 -2 NOP2 0 NOP3 0 NOP4 0 NOP5 -1 NOP6 -1

ASEF SAM FLAGS = .SAM DEGRE 1 MF 1


202

ASEF OPT = .OPT METHODE 3

ASEF TITLE = TITRE "SAMCEF job created on 25-Mar-02 at 09:13:38"

ASEF CMMNT16 = !---------------------------------------

ASEF CMMNT17 = ! Result Options

ASEF CMMNT18 = !---------------------------------------

ASEF CMMNT19 = !---------------------------------------

ASEF CMMNT20 = ! Loads/BCs

ASEF CMMNT21 = !---------------------------------------

ASEF CMMNT22 = ! LoadCase : Default

ASEF $LoadCase 1 = 1

ASEF CMMNT23 = !---------------------------------------

ASEF END = RETURN

BANQUE File Example

The BANQUE file generated for the example follows:

.INIT &! JOBNAME IS '1lineic'! SAMCEF job created on 25-Mar-02 at 09:13:38! LINEAR STATIC (ASEF)! ------------------------------------------------------------------------------.ASEF &! ! LINEAR STATIC (ASEF)! MODE I 0 LECT 132 M 1 ECHO 1!---------------------------------------! Topology!---------------------------------------.NOE I 1 X 0 Y 0 Z -0.25 I 2 X 0.333333 Y 0 Z -0.25 I 3 X 0.666667 Y 0 Z -0.25 I 4 X 1 Y 0 Z -0.25 I 5 X 0 Y 0.333333 Z -0.25 I 6 X 0.333333 Y 0.333333 Z -0.25 I 7 X 0.666667 Y 0.333333 Z -0.25 I 8 X 1 Y 0.333333 Z -0.25 I 9 X 0 Y 0.666667 Z -0.25 I 10 X 0.333333 Y 0.666667 Z -0.25


I 11 X 0.666667 Y 0.666667 Z -0.25 I 12 X 1 Y 0.666667 Z -0.25 I 13 X 0 Y 1 Z -0.25 I 14 X 0.333333 Y 1 Z -0.25 I 15 X 0.666667 Y 1 Z -0.25 I 16 X 1 Y 1 Z -0.25 I 17 X 0 Y 0 Z -0.0833333 I 18 X 0.333333 Y 0 Z -0.0833333 I 19 X 0.666667 Y 0 Z -0.0833333 I 20 X 1 Y 0 Z -0.0833333 I 21 X 0 Y 0.333333 Z -0.0833333 I 22 X 0.333333 Y 0.333333 Z -0.0833333 I 23 X 0.666667 Y 0.333333 Z -0.0833333 I 24 X 1 Y 0.333333 Z -0.0833333 I 25 X 0 Y 0.666667 Z -0.0833333 I 26 X 0.333333 Y 0.666667 Z -0.0833333 I 27 X 0.666667 Y 0.666667 Z -0.0833333 I 28 X 1 Y 0.666667 Z -0.0833333 I 29 X 0 Y 1 Z -0.0833333 I 30 X 0.333333 Y 1 Z -0.0833333 I 31 X 0.666667 Y 1 Z -0.0833333 I 32 X 1 Y 1 Z -0.0833333 I 33 X 0 Y 0 Z 0.0833333 I 34 X 0.333333 Y 0 Z 0.0833333 I 35 X 0.666667 Y 0 Z 0.0833333 I 36 X 1 Y 0 Z 0.0833333 I 37 X 0 Y 0.333333 Z 0.0833333 I 38 X 0.333333 Y 0.333333 Z 0.0833333 I 39 X 0.666667 Y 0.333333 Z 0.0833333 I 40 X 1 Y 0.333333 Z 0.0833333 I 41 X 0 Y 0.666667 Z 0.0833333 I 42 X 0.333333 Y 0.666667 Z 0.0833333 I 43 X 0.666667 Y 0.666667 Z 0.0833333 I 44 X 1 Y 0.666667 Z 0.0833333 I 45 X 0 Y 1 Z 0.0833333 I 46 X 0.333333 Y 1 Z 0.0833333 I 47 X 0.666667 Y 1 Z 0.0833333 I 48 X 1 Y 1 Z 0.0833333 I 49 X 0 Y 0 Z 0.25 I 50 X 0.333333 Y 0 Z 0.25 I 51 X 0.666667 Y 0 Z 0.25 I 52 X 1 Y 0 Z 0.25 I 53 X 0 Y 0.333333 Z 0.25 I 54 X 0.333333 Y 0.333333 Z 0.25 I 55 X 0.666667 Y 0.333333 Z 0.25 I 56 X 1 Y 0.333333 Z 0.25 I 57 X 0 Y 0.666667 Z 0.25 I 58 X 0.333333 Y 0.666667 Z 0.25 I 59 X 0.666667 Y 0.666667 Z 0.25 I 60 X 1 Y 0.666667 Z 0.25 I 61 X 0 Y 1 Z 0.25 I 62 X 0.333333 Y 1 Z 0.25 I 63 X 0.666667 Y 1 Z 0.25 I 64 X 1 Y 1 Z 0.25


204

I 65 X 1.01 Y 0 Z 0 I 66 X 1.01 Y 0.166667 Z 0 I 67 X 1.01 Y 0.333333 Z 0 I 68 X 1.01 Y 0.5 Z 0 I 69 X 1.01 Y 0.666667 Z 0 I 70 X 1.01 Y 0.833333 Z 0 I 71 X 1.01 Y 1 Z 0 I 72 X 1.175 Y 0 Z 0 I 73 X 1.175 Y 0.166667 Z 0 I 74 X 1.175 Y 0.333333 Z 0 I 75 X 1.175 Y 0.5 Z 0 I 76 X 1.175 Y 0.666667 Z 0 I 77 X 1.175 Y 0.833333 Z 0 I 78 X 1.175 Y 1 Z 0 I 79 X 1.34 Y 0 Z 0 I 80 X 1.34 Y 0.166667 Z 0 I 81 X 1.34 Y 0.333333 Z 0 I 82 X 1.34 Y 0.5 Z 0 I 83 X 1.34 Y 0.666667 Z 0 I 84 X 1.34 Y 0.833333 Z 0 I 85 X 1.34 Y 1 Z 0 I 86 X 1.505 Y 0 Z 0 I 87 X 1.505 Y 0.166667 Z 0 I 88 X 1.505 Y 0.333333 Z 0 I 89 X 1.505 Y 0.5 Z 0 I 90 X 1.505 Y 0.666667 Z 0 I 91 X 1.505 Y 0.833333 Z 0 I 92 X 1.505 Y 1 Z 0 I 93 X 1.67 Y 0 Z 0 I 94 X 1.67 Y 0.166667 Z 0 I 95 X 1.67 Y 0.333333 Z 0 I 96 X 1.67 Y 0.5 Z 0 I 97 X 1.67 Y 0.666667 Z 0 I 98 X 1.67 Y 0.833333 Z 0 I 99 X 1.67 Y 1 Z 0 I 100 X 1.835 Y 0 Z 0 I 101 X 1.835 Y 0.166667 Z 0 I 102 X 1.835 Y 0.333333 Z 0 I 103 X 1.835 Y 0.5 Z 0 I 104 X 1.835 Y 0.666667 Z 0 I 105 X 1.835 Y 0.833333 Z 0 I 106 X 1.835 Y 1 Z 0 I 107 X 2 Y 0 Z 0 I 108 X 2 Y 0.166667 Z 0 I 109 X 2 Y 0.333333 Z 0 I 110 X 2 Y 0.5 Z 0 I 111 X 2 Y 0.666667 Z 0 I 112 X 2 Y 0.833333 Z 0 I 113 X 2 Y 1 Z 0 I 114 X 2.01 Y 0 Z 0 I 115 X 2.01 Y 0.2 Z 0 I 116 X 2.01 Y 0.4 Z 0 I 117 X 2.01 Y 0.6 Z 0 I 118 X 2.01 Y 0.8 Z 0


I 119 X 2.01 Y 1 Z 0 I 120 X 2.208 Y 0 Z 0 I 121 X 2.208 Y 0.2 Z 0 I 122 X 2.208 Y 0.4 Z 0 I 123 X 2.208 Y 0.6 Z 0 I 124 X 2.208 Y 0.8 Z 0 I 125 X 2.208 Y 1 Z 0 I 126 X 2.406 Y 0 Z 0 I 127 X 2.406 Y 0.2 Z 0 I 128 X 2.406 Y 0.4 Z 0 I 129 X 2.406 Y 0.6 Z 0 I 130 X 2.406 Y 0.8 Z 0 I 131 X 2.406 Y 1 Z 0 I 132 X 2.604 Y 0 Z 0 I 133 X 2.604 Y 0.2 Z 0 I 134 X 2.604 Y 0.4 Z 0 I 135 X 2.604 Y 0.6 Z 0 I 136 X 2.604 Y 0.8 Z 0 I 137 X 2.604 Y 1 Z 0 I 138 X 2.802 Y 0 Z 0 I 139 X 2.802 Y 0.2 Z 0 I 140 X 2.802 Y 0.4 Z 0 I 141 X 2.802 Y 0.6 Z 0 I 142 X 2.802 Y 0.8 Z 0 I 143 X 2.802 Y 1 Z 0 I 144 X 3 Y 0 Z 0 I 145 X 3 Y 0.2 Z 0 I 146 X 3 Y 0.4 Z 0 I 147 X 3 Y 0.6 Z 0 I 148 X 3 Y 0.8 Z 0 I 149 X 3 Y 1 Z 0.MAI I 1 N 1 2 6 5 0 17 18 22 21 I 2 N 2 3 7 6 0 18 19 23 22 I 3 N 3 4 8 7 0 19 20 24 23 I 4 N 5 6 10 9 0 21 22 26 25 I 5 N 6 7 11 10 0 22 23 27 26 I 6 N 7 8 12 11 0 23 24 28 27 I 7 N 9 10 14 13 0 25 26 30 29 I 8 N 10 11 15 14 0 26 27 31 30 I 9 N 11 12 16 15 0 27 28 32 31 I 10 N 17 18 22 21 0 33 34 38 37 I 11 N 18 19 23 22 0 34 35 39 38 I 12 N 19 20 24 23 0 35 36 40 39 I 13 N 21 22 26 25 0 37 38 42 41 I 14 N 22 23 27 26 0 38 39 43 42 I 15 N 23 24 28 27 0 39 40 44 43 I 16 N 25 26 30 29 0 41 42 46 45 I 17 N 26 27 31 30 0 42 43 47 46 I 18 N 27 28 32 31 0 43 44 48 47 I 19 N 33 34 38 37 0 49 50 54 53 I 20 N 34 35 39 38 0 50 51 55 54 I 21 N 35 36 40 39 0 51 52 56 55 I 22 N 37 38 42 41 0 53 54 58 57


206

I 23 N 38 39 43 42 0 54 55 59 58 I 24 N 39 40 44 43 0 55 56 60 59 I 25 N 41 42 46 45 0 57 58 62 61 I 26 N 42 43 47 46 0 58 59 63 62 I 27 N 43 44 48 47 0 59 60 64 63 I 28 N 65 66 73 72 I 29 N 66 67 74 73 I 30 N 67 68 75 74 I 31 N 68 69 76 75 I 32 N 69 70 77 76 I 33 N 70 71 78 77 I 34 N 72 73 80 79 I 35 N 73 74 81 80 I 36 N 74 75 82 81 I 37 N 75 76 83 82 I 38 N 76 77 84 83 I 39 N 77 78 85 84 I 40 N 79 80 87 86 I 41 N 80 81 88 87 I 42 N 81 82 89 88 I 43 N 82 83 90 89 I 44 N 83 84 91 90 I 45 N 84 85 92 91 I 46 N 86 87 94 93 I 47 N 87 88 95 94 I 48 N 88 89 96 95 I 49 N 89 90 97 96 I 50 N 90 91 98 97 I 51 N 91 92 99 98 I 52 N 93 94 101 100 I 53 N 94 95 102 101 I 54 N 95 96 103 102 I 55 N 96 97 104 103 I 56 N 97 98 105 104 I 57 N 98 99 106 105 I 58 N 100 101 108 107 I 59 N 101 102 109 108 I 60 N 102 103 110 109 I 61 N 103 104 111 110 I 62 N 104 105 112 111 I 63 N 105 106 113 112 I 64 N 114 115 121 120 I 65 N 115 116 122 121 I 66 N 116 117 123 122 I 67 N 117 118 124 123 I 68 N 118 119 125 124 I 69 N 120 121 127 126 I 70 N 121 122 128 127 I 71 N 122 123 129 128 I 72 N 123 124 130 129 I 73 N 124 125 131 130 I 74 N 126 127 133 132 I 75 N 127 128 134 133 I 76 N 128 129 135 134


I 77 N 129 130 136 135 I 78 N 130 131 137 136 I 79 N 132 133 139 138 I 80 N 133 134 140 139 I 81 N 134 135 141 140 I 82 N 135 136 142 141 I 83 N 136 137 143 142 I 84 N 138 139 145 144 I 85 N 139 140 146 145 I 86 N 140 141 147 146 I 87 N 141 142 148 147 I 88 N 142 143 149 148 I 89 N 52 56 I 90 N 56 60 I 91 N 60 64 I 92 N 61 62 I 93 N 62 63 I 94 N 63 64 I 95 N 49 53 I 96 N 53 57 I 97 N 57 61 I 98 N 49 50 I 99 N 50 51 I 100 N 51 52 I 101 N 71 78 I 102 N 78 85 I 103 N 85 92 I 104 N 92 99 I 105 N 99 106 I 106 N 106 113 I 107 N 119 125 I 108 N 125 131 I 109 N 131 137 I 110 N 137 143 I 111 N 143 149 I 112 N 144 145 I 113 N 145 146 I 114 N 146 147 I 115 N 147 148 I 116 N 148 149 I 117 N 114 120 I 118 N 120 126 I 119 N 126 132 I 120 N 132 138 I 121 N 138 144 I 122 N 65 72 I 123 N 72 79 I 124 N 79 86 I 125 N 86 93 I 126 N 93 100 I 127 N 100 107!---------------------------------------! Materials!---------------------------------------


208

.MAT I 1 BEHA "Elastic" YT 210000 NT 0.3 M 7800 A 1e-06!---------------------------------------! EltsProps!---------------------------------------.SEL GROUP 1 MAILLES I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 $ 27 GROUP 2 MAILLES I 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 $ 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 $ 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 GROUP 3 MAILLES I 89 90 91 92 93 94 95 96 97 98 99 100 GROUP 4 MAILLES I 101 102 103 104 105 106 122 123 124 125 126 127 GROUP 5 MAILLES I 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121.BEAM GROUP 3 DIRECTION 0 0 1 GROUP 4 DIRECTION 0 0 1 GROUP 5 DIRECTION 0 0 1.HYP VOLUME GROUP 1.HYP MINDLIN GROUP 2.HYP MINDLIN GROUP 3.HYP MINDLIN GROUP 4.HYP MINDLIN GROUP 5.AEL GROUP 1 MAT 1 GROUP 2 MAT 1 GROUP 3 MAT 1 GROUP 4 MAT 1 GROUP 5 MAT 1.UNITE SI.PHP GROUP 2 THICK VAL 0.1.BPR NOM "pbeam_1" UNITE 1. TYPE "CIRCLE0" R1 10 R2 9.AEL GROUP 3 PROF "pbeam_1".BPR NOM "pb1_1" UNITE 1. TYPE "CIRCLE0" R1 10 R2 9.AEL GROUP 4 PROF "pb1_1".BPR NOM "pb2_1" UNITE 1. TYPE "CIRCLE0" R1 10 R2 9.AEL GROUP 5 PROF "pb2_1"!---------------------------------------! Miscellaneous!---------------------------------------


.SAM NOP1 -2 NOP2 0 NOP3 0 NOP4 0 NOP5 -1 NOP6 -1

.SAM DEGRE 1 MF 1

.OPT METHODE 3TITRE "SAMCEF job created on 25-Mar-02 at 09:13:38"!---------------------------------------! Result Options!---------------------------------------!---------------------------------------! Loads/BCs!---------------------------------------! LoadCase : Default.CLM FIX NOEUD I 1 C 1 2 3 FIX NOEUD I 5 C 1 2 3 FIX NOEUD I 9 C 1 2 3 FIX NOEUD I 13 C 1 2 3 FIX NOEUD I 17 C 1 2 3 FIX NOEUD I 21 C 1 2 3 FIX NOEUD I 25 C 1 2 3 FIX NOEUD I 29 C 1 2 3 FIX NOEUD I 33 C 1 2 3 FIX NOEUD I 37 C 1 2 3 FIX NOEUD I 41 C 1 2 3 FIX NOEUD I 45 C 1 2 3 FIX NOEUD I 49 C 1 2 3 FIX NOEUD I 53 C 1 2 3 FIX NOEUD I 57 C 1 2 3 FIX NOEUD I 61 C 1 2 3.CLM CHARGE NOEUD I 144 COMP 3 V 100 NC 1 I 149 COMP 3 V -100 NC 1!-----------------------------! Load/BC : shell_shell ! Shell->Shell Glue !-----------------------------.SEL GROUP 6 NOEUDS I 107 108 109 110 111 112 113.SEL GROUP 7 FACES MAILLE 64 FACE 1 MAILLE 65 FACE 1 MAILLE 66 FACE 1 MAILLE 67 FACE 1 MAILLE 68 FACE 1.APS GROUPE 6 7 ROTATION 1!-----------------------------! Load/BC : shell_Vol ! Shell->Volume Glue !-----------------------------.SEL GROUP 8 NOEUDS I 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64.SEL GROUP 9 FACES MAILLE 28 FACE 1 MAILLE 29 FACE 1


210

MAILLE 30 FACE 1 MAILLE 31 FACE 1 MAILLE 32 FACE 1 MAILLE 33 FACE 1.APS GROUPE 8 9!------------------------------------------! Load/BC : Density of Force on 1D Elements!------------------------------------------.CLM I 101 PRZ 2 NC 1 I 101 PRY 1 NC 1 I 101 LFX 1 NC 1 I 101 LFY 2 NC 1 I 101 LFZ 3 NC 1 I 102 LFX 1 NC 1 I 102 LFY 2 NC 1 I 102 LFZ 3 NC 1 I 102 PRZ 2 NC 1 I 102 PRY 1 NC 1 I 103 PRZ 2 NC 1 I 103 PRY 1 NC 1 I 103 LFX 1 NC 1 I 103 LFY 2 NC 1 I 103 LFZ 3 NC 1 I 104 LFX 1 NC 1 I 104 LFY 2 NC 1 I 104 LFZ 3 NC 1 I 104 PRZ 2 NC 1 I 104 PRY 1 NC 1 I 105 PRY 1 NC 1 I 105 LFX 1 NC 1 I 105 LFY 2 NC 1 I 105 LFZ 3 NC 1 I 105 PRZ 2 NC 1 I 106 LFX 1 NC 1 I 106 LFY 2 NC 1 I 106 LFZ 3 NC 1 I 106 PRZ 2 NC 1 I 106 PRY 1 NC 1 I 122 PRY 1 NC 1 I 122 LFX 1 NC 1 I 122 LFY 2 NC 1 I 122 LFZ 3 NC 1 I 122 PRZ 2 NC 1 I 123 PRZ 2 NC 1 I 123 PRY 1 NC 1 I 123 LFX 1 NC 1 I 123 LFY 2 NC 1 I 123 LFZ 3 NC 1 I 124 LFX 1 NC 1 I 124 LFY 2 NC 1 I 124 LFZ 3 NC 1 I 124 PRY 1 NC 1


I 124 PRZ 2 NC 1 I 125 PRZ 2 NC 1 I 125 LFX 1 NC 1 I 125 LFY 2 NC 1 I 125 LFZ 3 NC 1 I 125 PRY 1 NC 1 I 126 LFX 1 NC 1 I 126 LFY 2 NC 1 I 126 LFZ 3 NC 1 I 126 PRY 1 NC 1 I 126 PRZ 2 NC 1 I 127 PRZ 2 NC 1 I 127 PRY 1 NC 1 I 127 LFX 1 NC 1 I 127 LFY 2 NC 1 I 127 LFZ 3 NC 1!------------------------------------------! Load/BC : Density of Force on 2D Elements!------------------------------------------.CLM I 28 SFX 100 NC 1 I 28 SFY 200 NC 1 I 28 SFZ 300 NC 1 I 29 SFX 100 NC 1 I 29 SFY 200 NC 1 I 29 SFZ 300 NC 1 I 30 SFX 100 NC 1 I 30 SFY 200 NC 1 I 30 SFZ 300 NC 1 I 31 SFX 100 NC 1 I 31 SFY 200 NC 1 I 31 SFZ 300 NC 1 I 32 SFX 100 NC 1 I 32 SFY 200 NC 1 I 32 SFZ 300 NC 1 I 33 SFX 100 NC 1 I 33 SFY 200 NC 1 I 33 SFZ 300 NC 1 I 34 SFX 100 NC 1 I 34 SFY 200 NC 1 I 34 SFZ 300 NC 1 I 35 SFX 100 NC 1 I 35 SFY 200 NC 1 I 35 SFZ 300 NC 1 I 36 SFX 100 NC 1 I 36 SFY 200 NC 1 I 36 SFZ 300 NC 1 I 37 SFX 100 NC 1 I 37 SFY 200 NC 1 I 37 SFZ 300 NC 1 I 38 SFX 100 NC 1 I 38 SFY 200 NC 1 I 38 SFZ 300 NC 1 I 39 SFX 100 NC 1


212

I 39 SFY 200 NC 1 I 39 SFZ 300 NC 1 I 40 SFX 100 NC 1 I 40 SFY 200 NC 1 I 40 SFZ 300 NC 1 I 41 SFX 100 NC 1 I 41 SFY 200 NC 1 I 41 SFZ 300 NC 1 I 42 SFX 100 NC 1 I 42 SFY 200 NC 1 I 42 SFZ 300 NC 1 I 43 SFX 100 NC 1 I 43 SFY 200 NC 1 I 43 SFZ 300 NC 1 I 44 SFX 100 NC 1 I 44 SFY 200 NC 1 I 44 SFZ 300 NC 1 I 45 SFX 100 NC 1 I 45 SFY 200 NC 1 I 45 SFZ 300 NC 1 I 46 SFX 100 NC 1 I 46 SFY 200 NC 1 I 46 SFZ 300 NC 1 I 47 SFX 100 NC 1 I 47 SFY 200 NC 1 I 47 SFZ 300 NC 1 I 48 SFX 100 NC 1 I 48 SFY 200 NC 1 I 48 SFZ 300 NC 1 I 49 SFX 100 NC 1 I 49 SFY 200 NC 1 I 49 SFZ 300 NC 1 I 50 SFX 100 NC 1 I 50 SFY 200 NC 1 I 50 SFZ 300 NC 1 I 51 SFX 100 NC 1 I 51 SFY 200 NC 1 I 51 SFZ 300 NC 1 I 52 SFX 100 NC 1 I 52 SFY 200 NC 1 I 52 SFZ 300 NC 1 I 53 SFX 100 NC 1 I 53 SFY 200 NC 1 I 53 SFZ 300 NC 1 I 54 SFX 100 NC 1 I 54 SFY 200 NC 1 I 54 SFZ 300 NC 1 I 55 SFX 100 NC 1 I 55 SFY 200 NC 1 I 55 SFZ 300 NC 1 I 56 SFX 100 NC 1 I 56 SFY 200 NC 1 I 56 SFZ 300 NC 1 I 57 SFX 100 NC 1


I 57 SFY 200 NC 1 I 57 SFZ 300 NC 1 I 58 SFX 100 NC 1 I 58 SFY 200 NC 1 I 58 SFZ 300 NC 1 I 59 SFX 100 NC 1 I 59 SFY 200 NC 1 I 59 SFZ 300 NC 1 I 60 SFX 100 NC 1 I 60 SFY 200 NC 1 I 60 SFZ 300 NC 1 I 61 SFX 100 NC 1 I 61 SFY 200 NC 1 I 61 SFZ 300 NC 1 I 62 SFX 100 NC 1 I 62 SFY 200 NC 1 I 62 SFZ 300 NC 1 I 63 SFX 100 NC 1 I 63 SFY 200 NC 1 I 63 SFZ 300 NC 1!------------------------------------------------! Load/BC : Density of Force on 3D Elements Faces!------------------------------------------------.CLM FACE I 19 6 SFX 300 NC 1 FACE I 19 6 SFY 200 NC 1 FACE I 19 6 SFZ 100 NC 1 FACE I 20 6 SFX 300 NC 1 FACE I 20 6 SFY 200 NC 1 FACE I 20 6 SFZ 100 NC 1 FACE I 21 6 SFX 300 NC 1 FACE I 21 6 SFY 200 NC 1 FACE I 21 6 SFZ 100 NC 1 FACE I 22 6 SFX 300 NC 1 FACE I 22 6 SFY 200 NC 1 FACE I 22 6 SFZ 100 NC 1 FACE I 23 6 SFX 300 NC 1 FACE I 23 6 SFY 200 NC 1 FACE I 23 6 SFZ 100 NC 1 FACE I 24 6 SFX 300 NC 1 FACE I 24 6 SFY 200 NC 1 FACE I 24 6 SFZ 100 NC 1 FACE I 25 6 SFX 300 NC 1 FACE I 25 6 SFY 200 NC 1 FACE I 25 6 SFZ 100 NC 1 FACE I 26 6 SFX 300 NC 1 FACE I 26 6 SFY 200 NC 1 FACE I 26 6 SFZ 100 NC 1 FACE I 27 6 SFX 300 NC 1 FACE I 27 6 SFY 200 NC 1 FACE I 27 6 SFZ 100 NC 1!---------------------------------------RETURN


214

Major supported BACON Commands

The following table lists the major supported BACON commands and summarizes their use in the SAMCEF preference (The following table is not an exhaustive list of all the BACON commands which can be generated by the Samcef Preference).�

COMMAND FORM(S) Explanation

.AEL Element Props. Element attributes

.APP Load/BCsAppend

Meshes merging

.APS Load/BCsMindlinGlue

Shells-shells or shells-volumes junctions

.AXE Finite ElementMPCCyclic Symmetry

Symmetry axis definition

.AXL Geometry Coord Local displacement coordinates systems

.BEAM Finite Element(beams)

Beam topologies

.BPR Element Props.(beams)

Beam profiles

.CLM Load/BCsPressure, Force....

All mechanical LBCs: fixations, nodal forces, pressure,...

.CLT Load/BCsTemperature

Thermal LBCs (Temperature and Temperature Gradient)

.CPS Load/BCsNode-Surf Contact

Contacts

EXIT

.FCT Fields Material Property Time Dependent

Functions

.FIA AnalysisOption for Chaining (Linear Static)Crack Control

Crack definitions (only for static analyses)

.FIN Generation of files for the Samcef computation module

.FRAME Materials Material Coordinate Systems

.GEL AnalysisSolution Parameters

Old options

.HYP Element Props. Element hypotheses


.JER Load/BCsContact (Relative)

Relative Contacts

.JEU Load/BCsContact (Absolute)

Absolute Contacts

.LIA Finite ElementMPCRigid BarLIA

Connection between degrees of freedom

.MAI Finite Element Mesh Element

Element topologies

.MASS Element Concentrated masses

.MAT Materials

.MCC Element Props. Element Properties

.MCE Finite ElementMesh Element

Element topology

.MCT Load/BCsNode-Surf Contact

Contacts (Large Displacements)

MODE Analysis Solution Parameters Global parameters for driving the preprocessor

.NOE Finite element Mesh Node Node Coordinates

.OPT AnalysisSolution parameters

Solution Global Parameters

.PHP Element Props. Thicknesses for shells

.RBE ElementMPC

Rigid bodies

.RET Load/BCs Displ. Retained (Samcef)

Retained dofs (obsolete)

RETURN

.SAI AnalysisOutput Request

Result codes selection

.SAM AnalysisSolution Parameters

General Parameters for the computation module

.SEL Group Group definitions

.STICK Load/BCsNode-Surf Contact

Gluing nodes to volume faces or to shell elements

.SYC Finite ElementMPCCyclic symmetry

Nodes at boundaries



216

TITRE Analysis Main Title

.UNIT Unit system definition (for beams profiles only)

.ZYG Load/BCsCyclic Symmetry

Cyclic Symmetry conditions


217Chapter 5: FilesThe Reverse Translator JobFile

The Reverse Translator JobFile

The SAMPAT3 translator reads the needed information from a JobFile.

The keywords used in the jobfile correspond to the items found in the "Translation Parameters" and in the "Select Results File" forms.

An example JobFile follows:

!---------------------------------------------------------------------! This is a template of jobfile for SAMPAT3! The complete possible parameters list is given below! The format is free : - Keywords are case unsensitive! - Use "!" to comment! - The "=" sign is used as a separator (free position)! If not given, or wrong keyword, defaults are used!---------------------------------------------------------------------P3DATABASE = myp3db.DataBase ! Name of the PATRAN3 DataBase ! No defaultRESULTSFILE = mysamceffiles ! Name of the .DES, .FAC/FMT files ! No defaultRESULTSFORMAT= BINARY ! .fac : BINARY, .fmt : TEXT ! Auto-search : AUTO ! Default is AUTODEBUG = NO ! YES or NO ! Default is NOQUERY = NONE ! NONE, filename ! Default is NONEMESSAGE = SCREEN ! SCREEN, filename ! Default is SCREENP3MODEL = DB ! CHECK, NOCHECK, DB, NEUTRAL, DBONLY or ! NEUTRALONLY ! Default is DBASKEDCODES = 310,163 ! Codes list, or ALL ! Use negatives codes to remove ! Separate by spaces or commas ! Default is ALLASKEDREFERENCES = 8, 15, ... ! References list : type, valueCODES900 = YES ! YES, NO ! Default is YESSKINROTATE = YES ! YES, NO : rotation of skin tensors in ! structural ! Default is NORESDUMP= YES! Forces dump of all recorded results! into a «jobname».dump ASCII file.! Default is NO

! End of Jobfile

Patran Interface to SAMCEF Preference GuideThe SAMRUN file on Unix (Example)

218

The SAMRUN file on Unix (Example)

#!/bin/csh -fsetenv SAM_ZONE 1000000setenv SAM_LANG vanecho ======================================================echo Samcef Environmentecho ------------------if ($?SAM_EXE) thenecho EXE : $SAM_EXEendifif ($?SAM_SAMPROC) thenecho SAMPROC : $SAM_SAMPROCendifif ($?SAM_USERPROC) thenecho USERPROC : $SAM_USERPROCendifif ($?SAM_ZONE) thenecho ZONE : $SAM_ZONEendifif ($?SAM_LANG) thenecho LANG : $SAM_LANGendifif ($?SAM_HOME) thenecho HOME : $SAM_HOMEendifecho ======================================================echo $SAM_EXE/samcef «ba,as» basic n 1$SAM_EXE/samcef «ba,as» basic n 1 < SAMANSWERS_1

219Chapter 5: FilesThe SAMRUN.cmd file on W2000 (Example)

The SAMRUN.cmd file on W2000 (Example)

REM SAMRUN.cmd set SAM_ZONE=2000000set SAM_LANG=vfrset SAM_HOME=.echo ======================================================echo Samcef Environmentecho ------------------if exist %SAM_EXE% echo EXE : %SAM_EXE%if exist %SAM_SAMPROC% echo SAMPROC : %SAM_SAMPROC%if exist %SAM_USERSAMPROC% echo USERPROC : %SAM_USERSAMPROC%if exist %SAM_ZONE% echo ZONE : %SAM_ZONE%if exist %SAM_LANG% echo LANG : %SAM_LANG%if exist %SAM_HOME% echo HOME : %SAM_HOME%echo ======================================================echo %SAM_EXE%\samcef «ba,as» volume n 1%SAM_EXE%\samcef «ba,as» volume n 1 < SAMANSWERS_1

Patran Interface to SAMCEF Preference GuideThe SAMRUN.cmd file on W2000 (Example)

220

Chapter 6: Errors/Warnings


6 Errors/Warnings

� Errors/Warnings 222

Patran Interface to SAMCEF Preference GuideErrors/Warnings

222

Errors/Warnings

There are several error or warning messages which may be generated by the MSC Patran SAMCEF Preference Guide.

Message Description

Fatal This error stops the translation and exits the Preference.

Warning Some expected action did not execute. Translation continues. Check the .msg or .message files.

Information General Messages about the translation.

jp`Kc~íáÖìÉ=nìáÅâ=pí~êí=dìáÇÉ

I n dex


Index

Index
Aanalysis form, 111
analysis preference, 11

BBANQUE file example, 202

building a model, 10

Ccoordinate frames, 13

Crack Definition, 120

Ddata translated from the analysis code results

file, 181

structural, 181

thermal, 187

defined properties using fields, 41

degrees-of-freedom, 19

Eelement properties, 42

element properties form, 42

input properties

2D solid, 61

3D beam, 56

axisymmetric bar, 47

axisymmetric membrane, 56

axisymmetric shell, 54

mass, 46

membrane, 63

pipe_thermal, 59

rod, 48

shell, 59

solid

homogenous, 66

RTM, 67

spring, 51

thick shell, 65

elements, 16

environment variables, 197

settings.pcl file, 197

errors/warnings, 222

execution parameters, 113

Ffile control form, 192

files, 194

forward translation, 195

general, 195

reverse translation, 195

finite elements, 14

Forward Translation, 5

forward translator JobFile, 198

JJobFile example, 200

Lload case selection, 140

load cases, 107

loads and boundary conditions, 70


224

loads and boundary conditions form, 70

basic form, 72

input data

static and time dependent, 72

object tables, 73

structural

append, 93

cyclic symmetry, 85

density of force, 92

displacement, 74

displacement retained, 77

force, 74

hybrid deformation, 93

inertial load, 75

mindlin glue, 90

node to node contact (absolute), 75

node to node contact (relative), 76

node to surface, 78

pressure, 74

temperature, 76

thermal

convection, 98

gluing, 105

initial temperature, 95

load, 96

radiation, 102

sticking, 103

surfacic flux, 101

temperature, 94

temperature at t=0, 97

volumic convection, 98

volumic flux, 100

Mmaterial library, 24

materials form, 24

anisotropic, 36

elastoplastic, 37

linear elastic, 36

thermal, 40

viscoplastic, 38

isotropic, 28

elastoplastic, 29

hyperelastic, 28

input options

elastoplastic

isotropic, 29

Raghava, 29

von Mises, 29

linear elastic, 28

thermal, 32

viscoplastic, 30

orthotropic, 33

elastoplastic, 34

linear elastic, 33

thermal, 36

visco plastic, 35

MPC types, 18

MPCs

cyclic symmetry, 22

explicit, 20

LIA, 22

rigid bar, 21

rigid fixed, 21

multi-point constraints, 17

Ooptions for chaining, 117

225INDEX

output requests, 142

buckling, 157

elements, 157

general, 157

nodes, 157

storage, 157

elasto-visco-plastic, 158

elements, 161

general, 158

nodes, 160

storage, 159

linear static, 146

elements, 149

general, 146

nodes, 148

storage, 147

natural frequency, 152, 153

elements, 155

general, 152

nodes, 153

thermal, 166

elements, 169

elements vs time, 171

general, 166

nodes, 167

nodes vs time, 169

storage, 167

Rread results form, 174

Release Info Panel, 115

Releases Compatibilities, 7

reverse translator JobFile, 217

SSAMPAT3, 197

SAMRUN file for Unix, 218

SAMRUN file for W2000, 219

select results file, 179

solution parameters, 122

friction algorithm, 123

thermal, 123

solution types, 116

specific options, 125

buckling, 129

calculation time steps, 132

linear static, 126

natural frequency, 127

POSTFAC manual input, 128

thermal, 133

calculation time steps, 135

transient analysis parameters, 131

viscoplasticity parameters, 130

structural element types, 11

supported BACON commands, 214

Ttranslation parameters, 177


226

patran 2008 r1 interface to samcef preference guide

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