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Extension of GISSMO Damage Model based on Lode Angle Dependence
This paper presents the extension and validation of the damage model GISSMO (Generalized Incremental Stress State dependant damage MOdel). The damage model is extended for 3D usage by utilization of Lode angle parameter. The fracture ...
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2010 Deutsches LS-DYNA Forum
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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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2010 Deutsches LS-DYNA Forum
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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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2010 Deutsches LS-DYNA Forum
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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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2010 Deutsches LS-DYNA Forum
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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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2010 Deutsches LS-DYNA Forum
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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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2010 Deutsches LS-DYNA Forum
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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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2010 Deutsches LS-DYNA Forum
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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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2010 Deutsches LS-DYNA Forum
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