BERICHTE 894 VEREIN DEUTSCHER INGENIEURE

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TAGUNGSBERICHT DER VDI-GESELLSCHAFT FAHRZEUGTECHNIK

FE-SIMULATION OF 3-D SHEET METAL FORMING

PROCESSES IN AUTOMOTIVE INDUSTRY

International Conference with Workshop, 14—16 May 1991, Zürich/Swilzerland

VW VERLAG Verlag des Vereins Deutscher Ingenieure • Düsseldorf

Inhalt

D. Besdo

K. Heiduschke, £ Anderheggen and J. Reissner

G. Monfort, J. P. Adriens, E Abreu, J. Defourny, M. Traversin, M. Brunei and J. M. Detraux

C. H. Chou, I. Pan and S. C. Tang

£ Nakamachi and A. Makinouchi

J. C. Gelin, Ph. Boisse and J. L. Daniel

R. P. Maisch and J. Reissner

B. Kröplin, M. Wilhelm and M. Herrmann

T Ohwue and £ Nakamachi

H. Takizawa, A. Makinouchi, A. Santos and N. Mori

M. Brunei and I. Hage Chehade

Constitutive laws for metal forming purposes in stress-and in strain-space representation

Constitutive equations for sheet metal forming

A mechanistic constitutive model for steel and its applicability to FEM Simulation of press forming

Seite

1

17

39

A stress resultant constitutive law for sheet metal forming 61

Description of tool geometry and formulation of 75 deformation depenaant contact problem

An improved algorithm for the treatment of frictional 109 constraints in 3-D sheet metal forming

Fast 3D-contact algorithms as a requirement for the 123 FE-simulation of forming processes

Unstable phenomena in sheet metal forming processes 137 and their Simulation

Finite element analyses of box-shaped cup — drawing 153 and comparison with experiments

Simulation of 3-D Sheet bending processes 167

Prediction of necking of anisotropic sheets in finite 185 element Simulation

T. El-Dsoki, E. Doege and P. Groche

P Hora and J. Reissner

E. Anderheggen

S. C. Tang, L. B. Chappuis and J. Matke

£ Haug, £ di Pasquale, A. K. Pickeff and D. Ulrich

G. Landgraf, K.-H. Modler and M. Ziegenhorn

W. Sosnowski and £ Onate

W. Kubli, £ Anderheggen and J. Reissner

P Boisse, J. L Daniel and J. C. Gelin

H. Aoh and £ Nakamachi

L. F. Menezes, C. Teodosiu and A. Makinouchi

K. Schweizerhof and J. O. Hallquist

Seite

Prediction of cracks in sheet-metal forming with 199 FEM-simulations

FE-simulation of the ductile fracture mechanism under the 211 consideration of the material inhomogenities

On the design of a new program to simulate thin sheet 231 metal forming processes

A quasi-static analysis of forming processes for 247 automotive panels

Industrial sheet metal forming Simulation using explicit 259 finite element methods

Forming of shells 293

Recent developments on the finite element analysis of 307 sheet metal forming problems using a viscoplastic formulation

Nonlinear solver with uncoupled bending and stretching 325 deformation for simulating thin sheet metal forming

Sheet metal forming Simulation using three and four node 343 shell elements

3-D sheet metal forming Simulation of automobile panel 357 by thin shell finite element method

3-D solid elasto-plastic elements for simulating sheet 381 metal forming processes by the finite element method

Explicit Integration schemes and contact formulations for 405 thin sheet metal forming

Seite

P C. Galbraith, A4. J. Finn, S. R. MacEwen, A. R. Carr, K. A4. Gatenby, T. L. Lin, G. A. Clifford, J. O. Hallquist and D. Stillman

F. Aberlenc and J. L. Babeau

K. Mattlasson, L Bernspäng, A. Honecker, £ Schedin, T. Hammam and A. Melander

K. Schweizerhof, K. Weimar, J. O. Hallquist and D. W. Stillman

T. Wertheimer

A4. Hillmann, A. Kabisch, F. Fuchs, K. El Rifai Kassem, F. Mathiak and R. Sünkel

D. Peric, D. R. J. Owen and M. E. Honnor

A4. Gröber and K. Gruber

C. Teodosiu, H. C. Cao, T. Ladreyt and J. M. Detraux

Evaluation of an LS-DYNA3D Model for deep-drawing of aluminium sheet

441

Optris and ficture: industrial tools to modelize sheet metal forming

On the use of explicit time integration in finite element Simulation of industrial sheet forming processes

Improving Standard shell elements, friction modeis and contact algorithms for the efficient Solution of sheet metal forming problems with LS-DYNA3D

Numerical Simulation of metal sheet forming processes

A highly vectorized FE-program for sheet metal forming Simulation for the automotive industry

Simulation of thin sheet metal forming processes employing a thin shell element

Numerical Simulation of sheet metal forming of large car body components

Implicit versus explicit methods in the Simulation of sheet metal forming

467

479

499

517

549

569

587

601

A4. J. Bull and The development of a knowledge based CAD System for 629 J. R. Morrison press die design

M. El-Mouatassim, Application of an inverse FE-procedure to sheet forming J. M. Detraux, J. L Batoz and Y. Q. Guo

Y. Nagai and A. Makinouchi

R. Ehrisman

J. Reissner and Ch. Vogt

J. C. Nagtegaal and L. M. Taylor

Optimization of blank geometry for axle case by finite element Simulation

Interface Solution for coupling CAD-, expert System and numerical simulations

Safeguarding and extending the technological lead by the use of expert Systems in forming technology

Comparison of implicit and explicit finite element methods for analysis of sheet forming problems

A. Stalmann and Requirements for the process Simulation in the sheet metal forming (Manuskript lag bei Drucklegung nicht vor)

M. Bartl

L. Recke

J. Hambrecht, S. Choudry and J. K. Lee

Numerical Simulation of the spring-back of high strength steel sheets with Variation of manufacturing Parameters (Manuskript lag bei Drucklegung nicht vor]

Sheet forming simulations with elastic-plastic and rigid-plastic shell elements (Manuskript lag bei Drucklegung nicht vor)

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647

665

677

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Speakers and Chairmen 727