Upload File

design of automotive structures using multi-model optimization · m2 dv_set_2 constraints_m2...

  • Home
  • Documents
  • Design of Automotive Structures using Multi-Model Optimization · M2 DV_set_2 Constraints_M2 Objective_M2 M3 DV_set_3 Constraints_M3 Objective_M3 Optimized M1 Optimized M2 Optimized
19
NAFEMS Engineering Analysis & Simulation in the Automotive Industry: Electrification & Advanced Lightweighting Techniques April 27, 2017 Warren Dias Business Development Manager – OptiStruct Design of Automotive Structures using Multi-Model Optimization

Upload: others

Post on 15-Feb-2021

4 views

Category:

Documents


0 download

Report

TRANSCRIPT

  • NAFEMSEngineering Analysis & Simulation in the Automotive Industry:

    Electrification & Advanced Lightweighting TechniquesApril 27, 2017

    Warren DiasBusiness Development Manager – OptiStruct

    Design of Automotive Structures using Multi-Model Optimization

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Agenda

    • Introduction to Multi-Model Optimization (MMO)

    • Implementation of MMO

    • Application Examples

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    The Motivation (Single Model Optimization Approach)

    Common Part/Sub-system/…

    M2DV_set_2

    Constraints_M2Objective_M2

    M3DV_set_3

    Constraints_M3Objective_M3

    Optimized M1

    Optimized M2

    Optimized M3

    Common Part/Sub-system/…

    Common Part/Sub-system/…

    Common Part/Sub-system/…≠ ≠

    M1DV_set_1

    Constraints_M1Objective_M1

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Multi-Model Optimization Approach

    Common Part/Sub-system/…

    M2DV_set_2

    Constraints_M2Objective_M2

    M3DV_set_3

    Constraints_M3Objective_M3

    Optimized M1

    Optimized M2

    Optimized M3

    Common Part/Sub-system/…

    Common Part/Sub-system/…

    Common Part/Sub-system/…= =

    M1DV_set_1

    Constraints_M1Objective_M1

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Multi-Model Optimization

    • Simultaneously optimize multiple parts or configurations with common design variables

    • Multiple optimization models in a single run

    • Greater flexibility to optimize common components across structures

    • Simplify iterative design process especially when conflicting requirements exist

    • Existing models can be used without modification

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    For Example…

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Agenda

    • Introduction to Multi-Model Optimization (MMO)

    • Implementation of MMO

    • Application Examples

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    MMO Implementation in OptiStruct

    • Implemented within an MPI-based framework

    • Design variable handling• DVs with identical IDs are linked• Manufacturing constraints, dependent DVs, discrete DVs, etc. are supported

    • Responses• All existing response types are supported• Global responses may be defined in the master file

    • Constraints and Objective functions• Global constraints and objectives may be defined in the master file• Single objectives are combined into a MIMAX formulation

    Master

    Model 1 Model 2 … Model M

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Agenda

    • Introduction to Multi-Model Optimization (MMO)

    • Implementation of MMO

    • Application Examples

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Excavator Arm with Different Attachments

    4 linear static load cases (dig, scrape, side, top)

    Minimize weighted compliance, s.t. volume fraction constraint

    3 linear static load cases (load down, load side, load front)

    Minimize weighted compliance, s.t. volume fraction constraint

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Excavator Arm Design Studies

    SMO

    MMO

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Engine Block Bulkhead for NVH and Durability

    Bolt pretension + bearing pressfit + 6 preloaded NL subcases

    Minimize compliance, s.t.volume fraction constraint

    Modal analysis subcase

    Minimize mass, s.t. constraint on bending mode

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Engine Block Bulkhead

    SMO

    MMO

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Subcase Dependent Model PropertiesIdle shake, High speed shake and Rough road shake

    Response: Steering wheel acceleration in vertical direction

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Run Summary: SMO vs. MMO

    • IS: idle shake

    • HSS: high speed shake

    • RRS: rough road shake

    Approach Load case Design Validation

    IS HSS RRS

    SMO IS

    HSS

    RRS

    MMO IS, HSS, RSS

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Cargo Van Rear Door Material Assessment Study

    Open overload at 90 degrees

    Drop off/door sag

    Open overload at fully open position

    Static torsion

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Door Inner Panel MMO Study

    MMO

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Summary

    • An MMO strategy can be used to simultaneously optimizemultiple parts or configurations with common designvariables

    • Efficient way of managing conflicting design requirements

    • MMO can include an MDO formulation

    • Easy to use and deploy

  • © 2017 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved.

    Thank You!


IEEE1801 UPF Introduction 2013-07-04-elements {P2/M1 P2/M2} 4 P1 M1 M1 P2 Sub Sub/PD_Sub Sub/PD_Proc1Mem Sub/PD_Proc2Mem PwrCtl M2 M2 Sub/PD_Proc2 P1 M1 M1 P2 Sub PwrCtl M2 M2 Sub/PD_Proc1

Ontario Motorcycle Handbook M1 M2

Monday deliver your presents in person! - ... · PDF fileroute number m1 m2 m1 m2 m1 m2 m1 Poole bus station stand A/B 0800 0830 00 30 1900 1930 2000 Lower Parkstone Ashley Cross 0807

M1 and m2)

From m1 to m2 Conversion

Distributed systems Total Order Broadcast€¦ · p1 p2 p3 m2 m1 m3 m2 m1 m3 m2 m1 m3 m1 m3 m2 . Total Order Broadcast (II) p1 p2 p3 m1 m2 m3 m1 m1 m3 m1 m2 m3 m2 m3 m2 . Intuitions

M1-M2 - Catalogue des cours

M1 M2 - MAVA Foundation

Estrelas (II) - astro.iag.usp.braga210/pdf/roteiro12_estrelas2.pdf · centro de massa (CM), já que, por definição, CM: m1 . a1 = m2 . a2 m1 m2 m1 m2 = a2 a1. ... as estrelas estão

Vih et grossesse,m1&m2

SUUNTO M1/M2

MX M1 M2 M3 - New York · M1-2, M1-4, M2-1, M2-3, M3 High density envelope M1-3, M1-5, M1-6, M2-2, M2-4 Permitted Bulk Floor area ratio (FAR) is the primary instrument for controlling

from ay...from ay route number m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 Poole Bus Station Stand AA/B 0952 1000 then at these mins 07 15 22 30 37 45

SERVICE TRANSPORT MONTCEAU (plan) - · PDF fileM2 M1 M1 M1 M1 M3 M3 M3 M3 TGV TGV M2 M2 M2 TGV SAINT-BERAIN SOUS-SANVIGNES MONTCEAU-LES-MINES SANVIGNES-LES-MINES BLANZY SAINT-VALLIER

Parcours M1 M2 Géophysique - IPGP

m1 m2 Brochure

M1 M2 EPD.pdf

MASTER M1.M2 SCIENCES SOCIALES

Diseminare m1-m2

Doruk 20/22 · s1 p1 m1 s1 p1 m1 s2 (20) m2 (20) ÇaliŞma sicakliĞi operating temperature °c m2 m1 h1 m2 m1 h1 m2 h1 (-1 / +7°c) (-1 / +5°c) (+1 / +10°c) (-1 / +7°c) (-1

007 (M1,M2,M3) ½”-2”

PV Module Product Qualification Program (PQP): LeTID ......03-M1 03-M2 03-M3 04-M1 04-M2 05-M1 05-M2 06-M1 06-M2 07-M1 07-M2 08-M1 08-M2 The images above show IV flash images of an

ALENA ACL2 - GarazParts...ΕΛΛΗΝΙΚA POLSKI Č E Š TINA TÜRKÇE P УCCK ИЙ PORTUGUÊS E START S1 OK S2 RADIO x1 S2 RADIO S2 RADIO S2 RADIO F 1 M2 M1 M1 M2 2 M1 M2 M2 M1 …

PART 4 - Home - Springer978-1-4302-0348.../* EMPNO uniquely identifies a tuple r9 */ ( ∀m1,m2∈S: m1(EMPNO) = m2(EMPNO) ⇒ m1 = m2 )} Table Universe for TERM External Predicate:The

dettagli dettagli - Amazon Web Servicesproxy.siteo.com.s3.amazonaws.com/ · Artist / Author: Barbara Varini Collection: designers stone inscriptions M1 M2 M1 M1 M2 M3 M1 M1 M1 144

LISTA DE GRADUADOS LIST OF GRADUATES SHU KI QIU QINGJIANG SANG YIWEN WANG MILA YAN RUHUI ZENG LIQUN ZHANG QING ZHAO YINGYING ZHOU QIANG M2 M2 M2 M2 M2 M2 M2 M1 M3 M2 M2 M1 M2 $! ¼!

MHM M1/M2 Module 13 Séance 1ekladata.com/Hh9mZ0iwETHThnuL7tK4FnIU8II.pdfModule 13 Séance 4 Activités ritualisées M1 M2 Fraction du jour alcul mental M1 M2 Rouge = 25 Vert = 15

from 25 ay 21 - Amazon Web Services · from 25 ay 21 Mondays to Fridays except public holidays route number m1 m1 m1 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 m2 m1 Poole

Unser Produktspektrum - Sensorik, Signalverarbeitung ... ≥ m2 (eingeschränkt m1) ≥ m2 (eingeschränkt m1) ≥ m1 Abstand Empfohlen: 1 ... 3 mm (5 mm und mehr möglich) ... Das

499376 - TAII Motor Mount Manual€¦ · 3 POSITION A POSITION B POSITION C POSITION D M1 M2 M3 M4 M3 M2 M1 M4 M3 M2 M1 M3 M2 M1 TYPICAL SIDE VIEW "A" Figure 2 – Motor Mount Positions

8T SRAM Cell as a Multi-bit Dot Product Engine for Beyond ... · M1 M2 v i0 Q3 IRBL Sensing Circuit M1 M2 Q0 RBL M1 M2 RBL M1 M2 RBL Q2 Q1 RWL0 x y Ú á Û L á M1 M2 v i1 Q3 M1

F.P.C.N.A. - FMWBFédération Promo Cross National Amateur Championnat Wallonie 65 Cc 2017 30 0 31 0 32 0 33 0 LommelMons Axel Axel Wachte Orp N NOMS: Clas M1 M2 M1 M2 M1 M2 M1 M2

M1 M3 M5 M4 M2 M1 M3 M5 M4 M2 M1 M3 M5 M4 M2 M1 M3 M5

M1-H SCHEDULE '7' TO BY-LAW No. 02-22 · c2 m1 ep m1 bp bp c2 rr ru ru ru mh ru m1 rr ru m2 m1 ep ep ep m2 ru ep c2 c2 ep c2 m1 ru m2-4 c2-4 c2-6 m3-5 m2-h m1-5 c2-5 m2-8 m2-h m1-h

VIBRATIONAL THEORY bonds ~ springs E = ½ kx m1 mchem213/213-3-18.pdf · VIBRATIONAL THEORY p.55 C H m1 m2 bonds ~ springs E = ½ kx2 m1 m 2 m1 m2 m1 m2 stretch equilibrium compress