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Planning and Control of Sheet Metal Forming Processes using LS-OPT
Although control parameters of the stamping process are kept constant, remarkable variations in the quality of the stamped parts can be observed during the fabrication of car body parts. This is due to random variations in the ...
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Optimierung eines Verbundsicherheitsglasmodells für Kopfaufprall auf Windschutzscheibe
Laminated glass is used especially for windscreens and sun-roofs in automotive industry. Pedestrian safety and side impact resistance are in focus of the automotive development. For simulation of head impact on windscreen, side and ...
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Development of New Tools for Crash and Safety Analysis - Performance Driven LS-DYNA Simulation with ANSA and META
The increasingly demanding and complex requirements in Crash Analysis, call for continuous and innovative software development. BETA CAE Systems in an effort to meet and exceed the requirements of the industry is introducing new ...
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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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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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