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Assessment of the multi-material ALE formulation with FSI
This paper presents LS-DYNA 970.5434a simulations for the multi-material arbitrary Lagrangian Eulerian (ALE or MMALE) formulation (solid ELFORM=11). The objective is to shed light on the dependence of the results on the count of ...
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2004 Deutsches LS-DYNA Forum
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New Methods
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Influence of Pore Gas in Closed-Cell Cellular Structures under Dynamic Loading
New computational models of closed-cell cellular structures that account for the effects of gas inside the pores are described in this paper. The behaviour of cellular models under uniaxial impact loading and large deformations has ...
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2004 Deutsches LS-DYNA Forum
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New Methods
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ALE- und FSI-Konzepte in LS-DYNA zur Berechnung von Explosionslasten auf deformierbare Strukturen
"ALE- und FSI-Konzepte in LS-DYNA zur Berechnung von Explosionslasten auf deformierbare Strukturen" gibt eine Einführung in die normative Regelung bei Explosionslasten, spricht Aspekte bei der Simulation wie Diskretisierung und ...
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2004 Deutsches LS-DYNA Forum
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New Methods
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Multidisziplinäre Optimierung mit OPTIMUS unter Berücksichtigung von Crash, NVH und Lebensdauer
Dieser Vortrag gibt einführend einen Überblick über die Firma FE-DESIGN. Folgend wird detailliert auf die multidisziplinäre Optimierung eines Längträgers eingegangen, einschließlich dessen Parametrisierung des Modeels, Design ...
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2004 Deutsches LS-DYNA Forum
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Optimization
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Optimization Methodology in Structural Mechanics – Comparison of LS-OPT and Hyperstudy
This paper introduces computerized optimization methods used in the commercially available optimization software LS-OPT (Version 2.2, Revision 199) and Hyperstudy (v7.0). The application of these methods is demonstrated with two ...
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2004 Deutsches LS-DYNA Forum
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Optimization
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Strukturoptimierung für Crashlastfälle anhand parametrischer Flächen- und assoziativer Berechnungsmodelle
Die Optimierung von Strukturen in ihrer Gestalt und Topologie ist eine allseits stark nachgefragte Forschungsleistung. Dabei sind die notwendigen Grundlagen und Voraussetzungen an Hard- und Software bislang noch nicht in der Form ...
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2004 Deutsches LS-DYNA Forum
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Optimization
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Shape Optimization of a Crashbox using HyperMorph and LS-OPT
The aim of this paper is to demonstrate how to improve the performance of a crashbox by the application of shape optimization using HyperMorph and LS-OPT. Two load cases for the crashbox are considered: low speed front crash with ...
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2004 Deutsches LS-DYNA Forum
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Optimization
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New Features in LS-OPT Version 3: Optimization
This talk gives a brief overview of features in the LS-OPT version 3.0 and discribes the improved visualization and the parameter identification in detail as well as gives an outlook of LS-OPT 3.1 and the LS-PM Process Manager.
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2004 Deutsches LS-DYNA Forum
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Optimization
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Crash Sensors - Overview & Trends
The talk "Crash Sensors - Overview & Trends" begins with accident statistics to introduce into its topic. Further detailed topics are Crash Sensing for Frontal and Lateral Impact, Occupant and Pedestrian Detection, Rollover Sensing as ...
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2004 Deutsches LS-DYNA Forum
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Keynote
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LS-PREPOST Recent Developments in Model setup for Metal Forming
The speed of the development cycle in structural CAE is strongly dependent on the discritisation (meshing) of the FE models. Whereas 15 years ago, it took the Automotive Industry 3 month to build a BIW model , this time is now down to ...
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Anwendervorträge
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2004 Deutsches LS-DYNA Forum
