en nastran fx-catalog

Nastran FXEasy, Accurate and Practical Solution for True Analysis-Driven Design

About MIDAS IT

The worlds leading engineering solutions and services provider setting the platform

in engineering advancement and development through MIDAS technology

MIDAS IT is taking flight with endless passion and devotion to provide technological solutions worldwide

We Analyze and Design the Future01

MIDAS Information Technology Co., Ltd. develops and supplies mechanical/civil/structural engineering software and provides professional engineering consulting and e-Biz total solutions. The company was officially incorporated in year 2000, and currently employs 260 global developers and engineers with extensive experience. MIDAS IT also has corporate offices in US, China, Japan, and India. There are also global network partners in over 40 countries supplying our engineer-ing technology. MIDAS IT has grown into a world class company.

MIDAS IT is dedicated in becoming the worlds best engineering solutions and services provider on grounds based on vision, trust, and respect between our employees and our clients. We believe that true happiness can be achieved between our employees and our clients through our world-class solutions, and we will put our endless efforts to make this into reality. MIDAS IT is taking flight with endless passion and devotion to provide the technological solutions worldwide for the purpose of bringing true happiness all over the world.

History of MIDAS IT

1989.10 POSCO group established MIDAS IT

2000.09 Incorporated MIDAS IT (newly established by POSCO Group) (September 1, 2000)

2002.04 Entered into strategic alliance and distribution agreement with KKE, Japan

.11 Founded MIDAS China in Beijing

2003.01 Founded MIDASoft in Seattle, USA

2004.03 Strategic alliance and distribution Agreements (JCRC-Japan, USA, Canada, UAE, Iran, Bolivia & Thailand)

2005.04 Founded MIDAS China in Shanghai

.11 Strategic alliance with TNO DIANA, Netherland, and entered into distribution agreement for USA/Europe

2007.07 Strategic alliance with NEi Software, USA

2008.04 Founded MIDAS India (Mumbai, MIDAS R&D Centre India Pvt., Ltd.)

.04 Founded MIDAS Japan, Tokyo

.05 Strategic cooperation agreement with KKE, Japan in the mechanical engineering field

We are competing in the world market with

our self-developed technology

www.MidasUser.com 02

MIDAS IT China / BeijingRm.1307, 13th Floor, Fangyuan 56(Yi),Zhongguancun Nan da Jie HaidianDistrict, Beijing, ChinaTel. +86 010 51658210

MIDAS IT India / Mumbai804 & 805, 8th Floor, Maithili's Signet,Plot No. 39/4, Sector 30A Vashi,Navi Mumbai 400705Tel. +91 22 6721 1001~3

MIDAS IT Japan / TokyoAkiba-mitakikan 8th fl., 4-5-5Sotokanda, Chiyoda-ku, Tokyo,101-0021, JapanTel. +81 3 5207 6388

MIDASoft USA / New York5 Penn Plaza, Suite 2324New York, NY 10001, USATel. +1 212 835 1666

We Analyze and Design the Future03

Canada

SacramentoDallas

VietnamThailand

Malaysia

IranUAE

Branch OfficesHeadquarters Sales Office

Egypt

ItalyGreece

UK

LithuaniaRussia

Puerto Rico

Bolivia

Brazil

China(Beijing)

GuangzhouShanghai

India(Mumbai)

MIDAS IT(Seoul)

Europe(Netherlands)

USA(New York)

Chengdu

Shenyang

Japan(Tokyo)

MIDAS IT is growing globally with

corporate offices and network

channels in over 40 countries

worldwide. MIDAS IT focuses on

technological expertise with a

global workforce.

Global Network

Center of technological expertise with global professionals,

MIDAS IT has over 40 network channels worldwide

SloveniaCzech RepublicPoland

Taiwan

Introduction to MIDAS Family Programs

Nastran FXTotal Solution forTrue Analysis-Driven Design

midas FX+General Pre & Post Processorfor Finite Element Analysis

midas CivilIntegrated Solution System for

Bridge and Civil Structures

midas PierPier Automatic Design System

midas DeckPier Automatic Design System

midas FEAAdvanced Nonlinear and

Detail Analysis System

midas AbutmentAbutment Automatic

Design System

midas GenIntegrated Design System for Building and General Structures

midas ADSShear wall type BuildingDesign System

midas SetStructural engineers tools

midas BuildingA revolutionary building specificdesign system with auto-draftingmodules

midas SDSSlab & basemat DesignSystem

midas GTSGeotechnical and

Tunnel analysis System

Soil+(CTC in Japan)

midas GeoXTemporary shoring & Settlement

analysis System for Excavation

www.MidasUser.com 04

Mechanical Bridge

Building Geotechnical

WorldHeight: 800 m, 160 floors

s tallest building to date

WorldTotal span: 8,206 m

s longest cable stayed bridge to date

Burj Dubai Tower (UAE)

Area: 78,000 sq. m.Allowed Capacity: 91,000 people

Beijing Olympic Stadium (CHINA)

Sutong Bridge (CHINA)

MIDAS Program ApplicationsAll MIDAS IT programs are being used

by engineers worldwide in the related

fields of mechanical/building/civil/

geotechnical engineering.

In the near future, to further grow as a

leading global engineering solutions

developer and provider, MIDAS IT

plans to expand its CAE software

solutions and technology to other

engineering and business fields such

as ship building, aerospace, electron-

ics, environment, and medical industry.

MIDAS Family Programs are advanced CAE (Computer Aided Engineering)

solutions that were developed using the latest technology

Nastran FX provides more than 28 solutions for practical and accurate simulation.

* NASTAN is a registered trademark of NASA.

Total Mechanical CAE Solution for True Analysis-Driven Design05


Introduction to Nastran FX (NFX)

NFX has been proven in practice for

decades. It provides advanced analysis

solutions, such as contact analysis,

nonlinear analysis, and fatigue analysis

which are mounted on the base of

superior structural analysis features.

NFX with its renowned Nastran title,

provides highly reliable results for

complex analysis and design. Normal Modes

Buckling(Pre-Stressed)

Heat TransferThermal Stress

(Steady-State/Transient)Total Structural Analysis Solution

Linear Static(Linear Contact)

Nonlinear Static(Material/Geometry/Contact)

32, 64-bit Parallel Solver

Drop SimulationParametric Study

Dynamic(Time/Frequency/Random Vibration)

Fatigue AnalysisComposite Materials

Total Structural Analysis Solution

The Latest Nastran-Based Structural Analysis Solution

Framework

06

Integrated for the most convenient work environment

NFX provides a convenient working

environment where the pre/post-

processor and solver are seamlessly

integrated, and the windows

environment is based on the latest

graphics technology.

Undo/RedoUnlimited Undo/Redo

Works TreeProvides model data in

a tree structure anduseful functions fordata management

Context MenuProvides frequently

used menus dependingon selected entities

Properties WindowProvides various

information and anediting function Message Window

Provides various information and operation results in modeling

Tabbed ToolbarProvides categorizedtoolbar icons

Table WindowProvides input dataand result values inExcel-like tables

Unit ManagerProvides real time unitconversion

Task PaneProvides guides tostandard proceduresand offers quick access to correspondingfunctions

Work Window

www.MidasUser.com


Element Library

1Drod, barpipecable, tube

2Dshell, bending only,membrane, plane straincomposite plate

3Dsolid, composites

Miscellaneousmass, spring, damper, bush, gap, weld, rigid, interpolation

Stress, displacement, factor of safety

Mesh density convergence error

Thermal stress and deformation due totemperature difference

Prestress

Cyclic symmetry

Linear surface contact

Subcase and subcase combination

Result coordinate transformation

CASI PCGLSS parallel solver

Millions of degrees of freedom analysis possible

Independent execution/analysis of solver

Natural frequency, mode shape results

Frequency range of interest

Modal participation factors, effective mass

Prestress

Lumped mass, coupled mass

Block Lanczos solver

Subspace method

Various mode combination methods (CQC, ABS, SRSS, DDAM)

Modal database (transient response, frequency response)

Modal correlation (MAC, MXO)

01. Linear Static Analysis02. Modal/Buckling Analysis03.

Heat Transfer Analysis

Steady-state, transient heat transfer

Linear, nonlinear heat transfer

Temperature dependent materialsmodel

Heat transfer conditionsconduction, convection, radiation,heat generation, heat flux,initial temperature, prescribed temperature

Temperature/time dependent conditions

Thermal contact (heat conduction)

Automatic time stepping

Thermal stress analysis automatic execution

Automatic temperature transferfor thermal stress analysis

Failure theoriesHill, Hoffman, Tsai-Wumaximum stress, maximum strainNASA LaRC02, Puck PCP

Supported in all solution types

3D composite solid

Automatic definition of sandwichlaminates

Stability index results

Individual ply and laminate minimum/maximum results

Various material orientation(Angle, coordinate system, vector, etc)

Property matrix (A, B, D) calculation

Transient response, frequency response, random vibration

Spectrum response, complex eigenvalue

Enforced motion

Direct method, modal method

Linear, nonlinear dynamic analysis


Prestress

Modal database

Various damping types (Modal, structure, materials, Rayleigh)

DMIG (Direct Matrix Import & Export)

Reduction (Guyan, Craig-Bampton)

04. Dynamic Analysis05. Composite06.

07

True Nastran Technology

A highly reliable solution,

developed with the renowned NASAs Nastran technology

Total Mechanical CAE Solution for True Analysis-Driven Design


Initial mesh Convergence error Auto updated mesh Thermal deformation/stress analysis using temperature result of CFD analysis

Contact Analysis07. Nonlinear Analysis08. Fatigue Analysis09.

Drop Test10. Adaptive Analysis11. CAE Gateway12.

Total Solution for Structural Analysis

08

The latest total structural analysis solution,

mounted with practical advanced analysis functions

Contact TypesSurface to surface, surface to edge contactGeneral, welded, rough, and bi-directionalsliding contactFriction coefficient, stiffness scaling, offset

Various contact defining functionsElement based automatic surface contactgeneration, geometric model, element groupunit defining, definition of element surface with selection

Linear contact (linear static, modal)Welded, offset welded contact

Thermal contact

Contact force and stress result

Easy data input for specific functionsInitial velocity/acceleration of drop, drop direction, distance

Total time and time steps are automatically calculated basedon natural frequency

Contact surface, automatically defining initial condition

Nonlinear dynamic analysisexecution (Consider contactand geometric nonlinear)

Automatic time/load stepping

Convert CFD and other CAE product results to the loadInterpolate data for dissimilar mesh in-between, convert force, displacement, temperature, pressure, etc.

MoldFlow injection molding model/result interfaceInitial condition application of residual stress result, solid, shell (composite), etc.

ABAQUS and other CAE software interface

General-purpose interface using standard Nastran format

Calculate convergence error from mesh density

Re-meshing based on density and mesh convergence errors

Automatic re-meshing and iterative analysis by analysis wizard

Geometry nonlinearLarge displacement, large rotationfollower force

Material nonlinearElasto-plastic, nonlinear elastic, thermo-elastic, hyperelastic, creepVon Mises, Tresca, Mohr-Coulomb, Drucker-PragerHardening behavior (isotropic, kinematic, combined)

Nonlinear contact

Nonlinear dynamic analysis

Nonlinear buckling analysis

Automatic load stepping

Various iteration scheme andconvergence criteria

Convergence status and intermediate results

Time domain fatigue analysisTime dependent load/stress historyMaximum/minimum/average stressTarget(boundary nodes, whole nodes,selected nodes)Rainflow countingMean stress correction(Goodman, Gerber)damage, fatigue life cycle

Frequency domain fatigue analysis(vibration fatigue) Random stress/strain historyVon Mises RMS stressDamage, fatigue life cycle, bi-axiality ratio

www.MidasUser.com


Select analysis type

Import CAD data

Set boundary conditions

Assembly model importset boundary condition on fixed part

Define load Auto mesh & Auto-contact between parts Result evaluation

Set loads

Assign analysis case and execute analysis (mesh density, contact, iterative analysis, etc.)

Main results verification(displacement, stress, factor of safety, etc.)

Define and assign materials

Analysis Types

1

2

3

4 5 6 7

09

Analysis Wizard

Linear static, modal, buckling, heat transfer, and drop analyses.

Analysis wizards help produce results in a short

period of time for designers and beginners

NFX provides the analysis wizard so

that designers and beginners may

quickly and conveniently execute

the five primary practical analyses.



Initial CAD model Analysis execution of initial model

Dimension parameter changes

VBA Script window Shell model created using VBA script

Changes in stiffener number, position, and shell thickness as a result of script modification

Analysis execution and result examination, comparisonRe-meshed model and re-analyzed result

with modified dimensions

CAD Interface and Parametric Study

Parasolid, STEP, IGES

CATIA V5, UG, Pro/ENGINEER, SolidWorks, SolidEdge, Inventor

VBA API

Customizing the program for designers and novices

Parametric study

Automation of routine task

Co-work with other programs like MS-Excel

10

Parametric study and application for

the most ideal design, and automation of VBA API

NFX provides the parameter control function of CAD model that uses mainly CAD API which allows the

CAD models dimensions to be easily modified and makes the parametric analysis possible. Using the

parameter tree, property window, and parametric analysis table, the analysis models auto re-meshing

due to dimension changes and the most suitable dimensions for the design targeted values can be found

easily.

NFX provides the API in the VBA programming language that anyone can easily learn, and customization

of the product is possible for purpose-based and automation of repetitive work process.

www.MidasUser.com


Primitive - Box, cylinder, sphere, torus, cone

Extrude, revolve, sweep, loft

Fillet, chamfer, offset

Trim by surface/curve, fuse, sew

Boolean operations

- unite, intersect, subtract

Imprint of point and curve on surface

Various non-manifold modeling functions Create profile

Various shapes and hole sizes by trim and surface split by line Trim 2 surfaces based-on intersection line Connection of stiffners using sew andfuse functions of surface

(Non-manifold surface creation)

Extrude solid Copy solid Boolean operation Create profile Create holes (Defined depth) Draw profileCreate holes(Through-all)

Solid Modeling Example

Geometry Modeling

11

Provides mid-range level of

CAD modeling functions for various geometry

NFX provides mid-range CAD level

modeling functions for various and

practical surfaces and solids.



Split solid by surface

Merging of silver surface or short edges Removal of holes (Entire, select, diameter, perimeter, area, etc.) Various cleanups (Integrity, complexity, continuity,topology check and modify)

Solid face extraction base on corner angle(Extract inner/outer faces)

Shell Mesh generation

12

Geometry Modeling

Topology examination, modification

Find/delete small surface, line

Surface continuity check, modify

NURBS surface simplification

Tolerance optimization

Elimination of interior points and holes

Measure: Area, length, distance, angle

Using the various geometry operations/

manipulation and cleanup functions will

be more convenient with NFX in creating

the final geometric model for the actual

analysis from the CAD data.

www.MidasUser.com

Provides the cleanup functions for the CAD geometric modelNastran FXEasy, Accurate and Practical Solution for True Analysis-Driven Design

Mesh Generation

13

Solid Mesh generation with Auto-Meshing

Shell Mesh generation with Auto-Meshing

Mesh(hexa, penta) generationwith Map-Meshing

Symmetrically generated mesh Combined mesh of solid, shell, frame elements(Frame section displayed)

Smoothtransition ofelement size

Pattern Application

Surface Auto-Mesher - Loop, Grid, Delaunay

Solid Auto-Mesher - Delaunay

Map-Mesher - Transfinite interpolation - Sweeping

Manual mesh extraction - Extrude, revolve, sweep, project, offset, fill

Element based re-meshing

Interior point, line considered mesh generation

Capable of assigning inner mesh density

Offset element generation near inner/outerboundaries

Geometry shape considered adaptive seed generation

Provides various mesh generation methods to

easily create the most suitable mesh

NFX provides various mesh generation

methods for experts and novices to

easily create the optimal mesh for

analysis.



14

Mesh group management and manipulation(Color: group identification, Check box: display/non-display,

explorer method of management)

2D/3D mesh generation using protrusion(Extrude, revolve, offset, project, fill, sweep, etc.)

Normal direction check and alignment(element normal, element coordinate system, etc.)

Complex model (NURBS geometry)

Analysis modelGraphic-based mesh quality check

Parametric Meshing

Non-parametric Meshing(Element based remeshing)

Mesh Generation

Auto mesh generation by assembly parts - Group management in a similar environment like windows explorer

Mesh check - Free Edge, Free Face, Non-manifold edge

Mesh quality examination - Aspect ratio, skew angle, taper, warpage, twist, collapse, Jacobian ratio

Element coordinate system check and manipulation

Division of element pattern

Node/element renumbering

Providing practical functions and various management and

verification functions to create high quality meshes

NFX provide mesh improvement and

manipulation functions to create high

quality meshes, and various

management and check functions to

easily manage complex models.

www.MidasUser.com


Various graphic visualization

Iso-surface and iso-surface based decomposition display

Slice display of any surface Contour with vector display by clipping

Evaluation of assembly models results by virtual transformation of parts

Post-processing

15

Providing a variety of post-processing result display functions

applied with the latest graphics technology

NFX provides various post-processing

result display functions applied with

the latest graphics technology to

accurately verify the results of even

complex models.



Result figures table (data compatible with MS-Excel) and 24 kinds of result graphs

Node/element result probe and tag display

Analysis report generation function(Various options provided)

Automatically generated analysis report (MS-Word format)

Result distribution/change graph at any line

MS-Excel(Copy & Paste)

Result graph generation

16

Post-processing

Providing result organization function and

graph for the purpose of practical result evaluation

Using the NFX post-processing will

allow efficient execution of the next

work process such as the analysis

report after the analysis.

www.MidasUser.com


17

Analysis Case to execute, compare/review results for various analyses in single projects (Tree structured Drag&Drop

method of intuitive user interface) Numerical results table and graph of Modal AnalysisAssemblys modal analysis using

sliding contact

Subcase definition and various combination

Drag & Drop

Fast and accurate linear analysis and various design-purpose

results using the superior Nastran elements and high-performance solver

Linear Static Analysis

Linear stress, displacement and factor of safety calculation

Linear surface contact support: automatic/manual definition, welded, sliding, offset, etc.

Prestress, cyclic symmetry condition

Various loads, boundary conditions - Load: Self-weight, centrifugal, nodal force, moment, temperature, pressure, beam load, remote load, bolt preload

- Boundary condition: constraints, symmetry condition, MPC condition, pin/bolt connection

GUI Method of subcase definition/combination and result operation/result coordinate transformation

Outstanding analysis speed: CASI PCGLSS Solver, NASA VSS, PSS solver, singular execution of solver support

Practical analysis result (convergence error by mesh density and relative displacement, etc.)

Natural Frequency, Mode shape, modal participation factors, effective mass (ratio) result and calculation error

Eigenvalue range calculation and normalization method assignment (modal mass, maximum displacement)

Linear contact support: automatic/manual, welded, sliding, offset, etc.

Linear/nonlinear prestress, cyclic symmetry condition

Lumped mass, coupled mass

Various modal summations: CQC, ABS, SRSS, DDAM, etc.

Modal Correlation (MAC, MXO)

Modal database (modal transient response, modal frequency response, analysis time reduction)

Automatic creation of subcases (static analysis + eigenvalue analysis) for buckling analysis

Modal/Buckling Analysis

Large complex models can be rapidly and accurately analyzed using the high performance parallel

processing solver (CASI PCGLSS) and the auto-contact functions.

A fast Eigenvalue analysis is possible for a large-scale model using the parallel Block Lanczos solver,

and a database to input/output modal analysis results for effective dynamic analysis execution is

provided.



Stacking sequence definition dialogue(MS-Excel compatible)

Analysis of composite slide

Structural analysis of composite blade for wind turbine

Linear static analysis (Maximum failure index of composite)

Geometric nonlinear analysis

Nonlinear analysis of composite beam (Progressive ply failure)

Ply maximum/minimum results (Contour, Iso-line)

Ply result graphby element

Preview oflaminate

18

Composite Materials Analysis

Failure theory: Hill, Hoffman, Tsai-Wu,maximum stress, maximum strain, NASA LaRC02, Puck PCP

Auto-definition of sandwich laminated composite materials

Stability Index results for Wrinkling, Dimpling, and Crimping

Various material orientation(angle, coordinate system, vector, geometry shape coordinate system, etc.)

Property matrix (A, B, D) calculation/provided

Practical composite material results

Nonlinear composite material analysis (progressive ply failure analysis) support

Modeling and analysis of composite materials

using intuitive GUI and specialized functions

NFX supports intuitive composite

materials defining GUI and 3D

composites.

www.MidasUser.com


19

Compression beadingof aluminum tube

Nonlinear analysis of a weatherstrip (Hyperelastic material model)

Nonlinear analysis of rubber membrane (Hyperelastic material model)

Post-buckling analysis of a tube

Press forming simulation

ROPS analysis of a car body frame

Geometry Nonlinear - Consideration for large displacement, large rotation, differential stiffness using the updated Lagrangian - Follower force: pressure, force, moment, etc.

Material nonlinear - Material model: elasto-plastic, plastic, nonlinear elastic, thermo-elastic, hyperelastic, creep, etc. - Yield criterion: Von Mises, Tresca, Mohr- Coulomb, Drucker-Prager - Hyperelastic material model: Mooney-Rivlin, Neo-Hookean, Ogden - Hardening behavior: isotropic, kinematic, combined

Contact Nonlinear - Complete 3D surface to surface, surface to edge contact - Contact behavior: general, welded, sliding, rough contact, friction/offset

Restart using nonlinear database

Automatic load stepping

Various iteration scheme, stiffness updatemethod and convergence criteria

Continuous application of load condition changes using subcase (behavior/result accumulation)

Convergence status and intermediate resultsduring analysis

Nonlinear Analyses of advanced materials, geometry, and contact,

providing superior convergence and practicality

NFX provides nonlinear analysis for

material, geometry, and contact with

outstanding convergence.

Nonlinear Analysis

The NFX nonlinear analysis function does not introduce 3rd party solvers to the Module.Nonlinear solver is developed based on the original Nastran code.



Spinal implantsnonlinear contact analysis

Linear contact (welded behavior) Nonlinear rough contact (separation)

Medical stent

Contact analysis of contact sensor

Auto-connection of free edge using edge to surface auto contact

Twisted Cable

CV Joint boot sealscontact analysis

20

Complex assembly model analysis using auto-contact by solver

Linear, nonlinear contact analysis

suitable for complex assembly models and nonlinear contact

Contact Analysis

3D surface to surface, surface to edge contact

Contact definition method - Auto-search by solver (search distance assignment), contact wizard, manual, etc.

Contact behavior - General, welded, rough, bi-directional sliding contact

- Friction coefficient, stiffness scaling, offset, maximum penetration

Simultaneous behavior for translation androtation

Contact force and stress results

Thermal contact (conduction betweendiscontinuous parts )

NFX provides the latest contact

analysis function suitable for complex

assembly models and nonlinear

contact behavior analysis.

For all analyses, using the contact

surface auto search function by solver

will easily assign the contact

conditions for even complex assembly

models just by placing a check in

options.

www.MidasUser.com


21

Heat transfer analysis of BLU chip (Thermal contact application on hexahedron/tetrahedron mixed mesh)

Temperature change due to Line heating (Heat flux definition due to time function)

CFD analysis(Temperature calculation)

Blast furnace refractorywall analysis model

(Gap consideration: contact condition application)

Temperature distribution

calculation byheat transfer analysis

Discontinuous stressdistribution

Thermal expansion analysis by structural analysis(Discontinuous deformation

by Gap)

Thermal deformation and thermal stress calculation by static analysis of NFX

Structuralanalysis model

Heat Transfer/Thermal Stress Analysis

Steady-state, transient heat transfer analysis

Linear, nonlinear (temperature dependentmaterial model and conditions)

Heat generation, conduction, convection, radiation, heat flux, initial temperature, fixed temperature condition - Time/temperature dependent definition - Thermal contact (conduction between discontinuous parts)

Automatic time stepping support for transient heat transfer analysis

Supports thermal stress analysis for temperature analysis results from other CFD program - Auto interpolation, conversion of temperature results between dissimilar mesh

Convenient completion of heat transfer and thermal stress analysis

with just one simple analysis execution

NFX provides practical steady-state/

transient heat transfer analysis and

thermal stress analysis functions. The

thermal stress analysis is provided as

an independent analysis case, so with

one analysis execution, the temperature

results due to heat transfer and thermal

stress may all be obtainable.



Dynamic behavior analysis of transport equipment for base excitation (Frame model, transient response analysis)

RMS result by random vibration analysis of PCB(Complete behavior processing of discontinuous hexahedron mesh

with auto contact condition applied)

Dynamic analysis of earphone vibrating plate (Modal analysis, frequency response analysis)

Frequency response analysis of DVD-ROM actuator for magnetism(Applying connection to hexahedron/tetrahedron combined mesh contact condition)

22

Dynamic Analysis

Linear/nonlinear dynamic analysis by direct method and modal method - Transient response analysis - Frequency response analysis - Random vibration analysis - Spectrum response analysis - Complex eigenvalue analysis - Enforced motion

Various damping: modal, structural, material, viscosity, Rayleigh, frequency dependent, etc.

All static loads can be applied dynamically


Analysis time reduction using modal databasefunctions - Dynamic analysis using result DB of modal analysis

DMIG (Direct Matrix import and Export)

Nastrans outstanding and highly trusted dynamic analysis

for practical purposes

NFX provides the high performance and

highly trusted Nastrans dynamic

analysis functions upgraded for

practicality.

www.MidasUser.com


23

Static analysis using auto contact function and fatigue life evaluation of medical stent Integrated analysis performance and result evaluation Various results graphical display

Bellows fatigue life evaluation for compression and tension cyclic behavior

Supports manual editing batch analysis execution and results graphs

Fatigue Analysis Nastran Editor

Convenient fatigue/durability evaluation with

minimal required data input

Fatigue analysis of time domain - Fatigue analysis due to time dependent load/stress history - Assigning analysis entity (entire nodes, surface nodes, selection, etc.) - Rainflow Counting, Mean Stress Correction - Damage, fatigue life cycle

Vibration Fatigue Analysis - Statistical fatigue analysis for random stress/strain history - Life, damage, bi-axiality ratio output

NFX provides fatigue/durability review function independently in the post-processing.

The fatigue analysis can be easily executed with the minimal required data input, and the structural

analysis that used to end with the strength review has expanded to review the durability as well.

NFX provides an editor that easily and conveniently creates and modifies the solver input files.

Using the Nastran input file, the analysis can be executed in the editor. Therefore, it can be used conve-

niently and effectively for analysis using the original Nastran input file, repetitive analysis for simple

data changes, and batch analysis for several models.



24

Solid element6,858,000 degrees of freedomAnalysis time: 2.76 hoursIntel Xeon, 2.4 GHz CPU, 2GB RAM32bit solver

Linear static analysis of an crank shaft

Solid element10,963,000 degrees of freedomAnalysis time: 3.58 hoursIntel Itanium 2, 1.0GHz CPU, 6GB RAM64bit solver

Linear static analysis of a cargo ship

Solid element1,000,000 degrees of freedomAnalysis time: 10.1 hoursDual Intel Xeon, 3.0GHz CPU, 16GB RAM64bit solver

Nonlinear contact analysis of a twisted cable

Solid element2,600,000 degrees of freedom, 75 modesAnalysis time: 5.8 hoursDual Intel Xeon, 3.0GHz CPU, 16GB RAM64bit solver

Normal modes analysis of a piston assembly

Shell element1,230,000 degrees of freedom, 100 modesAnalysis time: 1.11 hoursDual Intel Xeon, 3.2GHz CPU, 3GB RAM32bit solver

Modal analysis of SUV

Shell element3,163,596 degrees of freedom, 75 modes usedAnalysis time: 5.7 hoursDual Intel Xeon, 2.66GHz, 3GB RAM32bit solver

Modal transient response analysisof automotive frame

Shell element3,163,596 degrees of freedom, 75 modes usedAnalysis time: 3.2 hoursDual Intel Xeon, 2.66 GHz, 3GB RAM32bit solver

Modal frequency response analysis of automotive frame

Shell/frame element358,000 degrees of freedom, 100 FrequencyAnalysis time: 2.1 hoursDual Intel Xeon, 3.0 GHz, 16GB RAM64bit solver

Frequency response analysis of a satellite (direct method)

High performing state-of-the-art parallel solver even for

large-scale models

NFX mounts the world-class CASI

PCGLSS on the Equation Solver which

is the core of the solver performance.

(both 32bit and 64bit supported)

The CASI PCGLSS solver of NFX

provides superior analysis perfor-

mance for large-scaled solid models,

and parallel processing is possible in

the multi-core system.

For direct solver, the 32bit VSS solver

and the 64bit PSS solver are provided

which are based on the Vector Sparse

Solver technology of NASA.

High Performance Parallel Solver

www.MidasUser.com


25

Prompt product upgrade tailored at the clients request

Free training system (on/offline, customized training)

Technical support for initial practical application

- Customized tutorials and training support for practical models

Web-based remote technical support system

Various manuals, technical documents and practicalcase tutorials

Practical CAE training for beginners (Educational and Professional)

Free technical courses in the topics of interest

Various training/research support system for academia and educational institutes

Online training Practical Case Tutorials Regular technical seminars and technical course materials

We build and operate a systematic technical support

system to correspond promptly and accurately

Technical Support System for Customer Satisfaction End-User Training

MIDAS IT builds and operates a systematic technical support system to accurately and promptly

correspond to our customers inquiries or technical support requests.

Various online/offline training and technical support services are available, along with the NFX program,

to provide a total solution system for our center of customer-values.

The NFX Q&A service provides prompt reply within 24 hours of a customers inquiry related to thetechnical matters from the programs use. Also, for the security of a customers project, personalizationservice is provided.

Q&A Service

The NFX remote technical support service actively responds to the customers inquiry by sharinga customers PC screen in real-time with the technical support representative to resolve the inquired problems.It is MIDAS ITs differentiated technical support service.

Remote Technical Support Service




www.MidasUser.comFor more information visitSKn Technopark Tech-center 15th fl., 190-1 Sangdaewon1-dong, Joongwon-gu, Seongnam, Gyeonggi-do, Korea I TEL +82-31-789-2000 I FAX +82-31-789-2001

Copyright Since 1989 MIDAS Information Technology Co., Ltd. All rights reserved.

en nastran fx-catalog

Documents