sfe concept cae design: a key enabler in virtual … key enabler in virtual product & vehicle...

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Hans Zimmer President & CEO SFE GmbH, Berlin [email protected] http://www.sfe-berlin.de © SFE GmbH 2006 SFE CONCEPT CAE Design: SFE CONCEPT CAE Design: A Key Enabler in A Key Enabler in Virtual Product & Vehicle Development Virtual Product & Vehicle Development Hans Zimmer Hans Zimmer

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Page 1: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

SFE CONCEPT CAE Design:SFE CONCEPT CAE Design:

A Key Enabler in A Key Enabler in

Virtual Product & Vehicle Development Virtual Product & Vehicle Development

Hans ZimmerHans Zimmer

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Page 2: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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SFE CONCEPT

Simulation

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Page 3: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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SFE CONCEPTTopology & Geometry

SFE CONCEPTFE mesh

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Analysis-Model /

Input forModification

Res

ults

Optimize

d values

Analysis-Model /Design-ModelFE-Analysis

evaluation

Decisions formodifications

Watch forimprovements

FE-Analysis Optimization

Referencegeometry

for CAD tuning

FinalCAD Model

Page 4: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Page 5: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Page 6: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Task: Moving of the seat cross memberWithout Surface-Map With Surface-Map

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Page 7: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Page 8: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Page 9: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Early design stage Based on development stage

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model refinement based on current status of information

Page 10: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Parameterizedbase geometry

Adding parametricStamps and holes

Resulting FE mesh

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model refinement based on current status of information

automated FE model generation for NVH, crash, etc.

Page 11: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Classification ofconstruction parts• Sections• Beams• Joints• Etc.

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Page 12: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Modular Construction Library

• Retrieve, combine and mesh the model

• Connectivity using ‘Smart Connections’

• SFEC MC maintains the topological and geometrical continuity

• Slots to modify individual model parts before combining

• New models stored back into the library for further use

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Page 13: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Select beam

from library

Insert beam into

design space

Fit beam to

design space dimensions

Shape-optimized beam

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Page 14: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Page 15: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Transmitting CAE validated geometry

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Page 16: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Objective function& Constraints

Design variables

Optimizer(iSIGHT, iSIGHT FD)

SFE CONCEPTDesign

variables

FE mesh &Boundaryconditions

Batchmode

FE SOLVERLS/DYNA, NASTRAN,

PAM-CRASH, PERMAS

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DV-file

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Modified Design

variables

Script for modelModification and

FE mesh creationFE mesh &Boundary conditions

Problem definition(only once done)

info about DV inOptimizer format

ASCII output

Page 17: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Explicitly parameterized geometry• Parameter description for defining

& maintaining geometrical and topological compatibility is nearly impossible

Implicitly parameterizedSFE CONCEPT geometry• Parameter description for

defining & maintaining geometrical and topological compatibility is very easy

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Page 18: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Page 19: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

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Page 20: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

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Page 21: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

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Page 22: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

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Page 23: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

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Page 24: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

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Page 25: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

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Page 26: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

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Page 27: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Page 28: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Page 29: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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2.) Scaling local sections3.) Moving a local section along the base line4.) Changing the base section geometry

1.) Modifying Influence Point coordinate

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Page 30: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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Monitor can be set to visualize the intermediate stages of modifications

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Page 31: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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LC 1: BendingLC 2: Rear bendingLC 3: Torsion

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Page 32: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

• 10 shape shape variables

• 16 thickness variables

Design variables (26): 106 SFE CONCEPT Parameters

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Page 33: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

Representation of geometrical changes influenced by 4 Design variables constituting 54 SFE CONCEPT parameters

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Page 34: SFE CONCEPT CAE Design: A Key Enabler in Virtual … Key Enabler in Virtual Product & Vehicle Development ... Hans Zimmer President & CEO SFE ... A Key Enabler in Virtual Product &

Hans ZimmerPresident & CEOSFE GmbH, [email protected]://www.sfe-berlin.de© SFE GmbH 2006

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SFE CONCEPT CAE Design:SFE CONCEPT CAE Design:

A Key Enabler in A Key Enabler in

Virtual Product & Vehicle Development Virtual Product & Vehicle Development

Hans ZimmerHans Zimmer

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