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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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2004 Deutsches LS-DYNA Forum
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FE - Simulation of the Thermal Hydroforming Process
The metal working industry is always searching for new production technologies to produce more complex parts associated with cost reductions. This paper introduces such a new forming technology. Through global or local heating of ...
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2004 Deutsches LS-DYNA Forum
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Umform- und Rückfederungssimulation eines Strukturbauteils mit LS-DYNA
Die Simulation des Umformprozesses zur Herstellung von Blechbauteilen im Automobilbau ist ein unverzichtbarer Bestandteil um den gehobenen Ansprüchen hinsichtlich Qualität, Entwicklungskosten und -zeit gerecht zu werden. Durch die in ...
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2004 Deutsches LS-DYNA Forum
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Finite Element Analyses of Press Forces at Stamping Processes using LS-DYNA and Comparison with Test Results
Die Simulation des Tiefziehverhaltens von Blechen wird seit Jahren erfolgreich eingesetzt um Falten und Rissbildung vorherzusagen. Pressenkräfte wurden mittels Erfahrung abgeschätzt oder mit Formelsätzen berechnet, wobei die ...
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2004 Deutsches LS-DYNA Forum
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Modeling of Plastics for Crash Simulation of Fuel Tanks
In order to simulate a synthetic fuel tank and the physical response of the fuel during a crash, it is necessary to apply a suitable constitutive law for the tank material. The high impact speeds and heavy local deformations require a ...
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2004 Deutsches LS-DYNA Forum
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On the Modelling of Rubber like Materials Subjected to Dynamic Loading
In this paper, we present constitutive models to simulate the behavior of rubberlike materials. On the one hand, hyperelastic models have been investigated which are already available in LS-DYNA [1], [2]. One the other hand, we ...
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2004 Deutsches LS-DYNA Forum
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Zur Simulation von Sicherheitsglas unter stoßartiger Belastung Teil II: Validierung eines FE-Modells für Verbundsicherheitsglas
Verglasungen aus Verbundsicherheitsglas (VSG) haben heute ein breites Einsatzgebiet, sowohl im Bauwesen als auch im Automobilbau, hier z.B. als Windschutzscheibe. Bei einem Versagen ergeben sich durch eine splitterbindende Wirkung und ...
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2004 Deutsches LS-DYNA Forum
