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Usage of a Rate-Dependent, Elasto-Plastic Cohesive Zone Mixed-Mode Material Model for Spot-weld Modeling
Currently, there are several material models implemented in LS-DYNA which are more or less capable to simulate a spot weld behavior under crash conditions. The material parameters for crash simulations are determined by comparing the ...
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Holistischer Ansatz zur Versagensmodellierung von Schweiß- punkten in der Crashsimulation
A sufficient modelling of spot weld behaviour in full car crash simulations is a fundamental item due to the fact that local joint fracture can make a significant contribution to the overall crash performance. The accurate ...
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Detailed Windscreen Model for Pedestrian Head Impact
Pedestrian head impacts on windscreen are a potential source of pedestrian injury and form part of the EuroNCAP Pedestrian Star Rating. Thus, there is a strong wish to increase pedestrian CAE predictive capability for windscreen ...
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An Extension of MAT_240 to Consider the Failure of Structural Adhesive Joints in Crash Simulations
MAT COHESIVE MIXED MODE ELASTOPLASTIC RATE, or in short MAT 240, is a cohesive zone model, which has been recently developed to consider the failure behaviour of structural joints in crash simulations. The model is applicable to ...
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Implementierung und Simulation von lokalen Verstärkungen in Profilbauteilen mit veränderlichem Querschnitt
The development of a vehicle structure is currently dominated by the concept of “light-weighting” driven by both fuel efficiency (Carbon dioxide emissions) and weight/cost reduction. To this end there is a strong desire for the ...
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Simulation Methods in Low Speed Impact Development
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Recent Developments in LS-DYNA
This talk presents the recent developments in LS-DYNA including LS-PrePost, LS-980, LSTC dummy and barrier development as well as Hybrid LS-DYNA and Implicit update.
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Numerical Modeling in Tire Mechanics
The contribution has its focus on several aspects of the description of tire features through finite element modeling. It is starting with the formulation of rubber material properties. Material characteristics, which have to be taken ...
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Einsatz der Simulation in der Prozesskette Karosseriebau
The industrial simulation methods used today is the result of a development process during the last two decades. A main focus of this process was the continuous optimization to characterize the material properties. The presentation ...
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Simulation - Quo Vadis
Siemens PLM Software is conducting a study together with the CAEvolution GmbH on the requirements, trends and expected benefits of simulation in the automotive industry. Why automotive you might ask yourself. Well automotive is a ...
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