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Development of an Impact Absorber for Roadside Barriers
The work presented in this paper was developed with the objective of increasing road safety for motorcycle drivers. Guardrails are traffic barriers placed along the roadsides to protect vehicles from hazards behind the barriers. These ...
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2008 Deutsches LS-DYNA Forum
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A New Method to Model Aluminium Honeycomb Based Crash Barriers in Lateral and Frontal Crash Load Cases
Using Finite Element Method (FEM) it is possible to show and predict the behaviour of the vehicle’s structure during a crash test. To ensure good simulation results compared to the reality it is not only necessary to correctly build ...
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2008 Deutsches LS-DYNA Forum
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A Study of the Gurson Damage Model and Numerical Simulation of Ductile Failure in LS-DYNA
Standard material models like linear elastic or elastic plastic formulations are not able to precisely reproduce component behavior when failure occurs. Micromechanical damage models enable a more accurate prediction of material ...
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2008 Deutsches LS-DYNA Forum
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Effiziente Ermittlung von Dehnraten- und Versagensparametern für die Fahrzeug-Crashsimulation mit LS-DYNA
Determination of material data for automotive crash simulation is a costly and time consuming process. Especially the measurement of material behaviour like strain rate sensitivity and stress state dependent fracture is a difficult ...
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2008 Deutsches LS-DYNA Forum
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Fracture Prediction for Crashworthiness Assessment of Aluminum Bumper Systems
Alcan relies strongly on crashworthiness simulations in its development of light weight automotive crash management systems at Gottmadingen, Germany. The effectiveness of CAE-based crash performance assessments considerably depends on ...
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2008 Deutsches LS-DYNA Forum
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Modelling of Bolts Under Dynamic Loads
Bolt connections are one of the main joining techniques in commercial vehicles. To capture the main effects of this connection type a new modelling technique is discussed and compared with conventional techniques. To describe the bolt ...
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2008 Deutsches LS-DYNA Forum
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Enhancement of Spot Weld Modeling using MAT_100_DAI
During the recent years, the development of suitable and robust models for joining technologies has been advanced to augment the quality of full car crash simulations. Furthermore, the utilization of high-strength steel alloys and ...
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2008 Deutsches LS-DYNA Forum
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Kontinuumsmechanische Modellierung von Stahlblechklebverbindungen für die FE-Crashanalyse
The non-associated plasticity model, based on the first and second invariant of the stress tensor, describes reasonably well the mechanical behaviour of crashoptimized high-strength adhesives in the automotive industry. This pressure ...
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2008 Deutsches LS-DYNA Forum
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Investigation of Spot Weld Behavior Using Detailed Modeling Technique
The development of suitable and robust simplified spot weld models for full vehicle crash simulation meets one of the major demands of the development process regarding efficient and appropriate full car crash models. Normally a high ...
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2008 Deutsches LS-DYNA Forum
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Simulation of Spot Welds and Welds Seams in Press-Hardened Steel Assemblies
Today’s automotive industry is challenged with reducing fuel consumption, CO2 emissions, weight and cost. The usage of ultra high strength steel is one possibility to reduce weight and improve crash behaviour. The development with ...
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2008 Deutsches LS-DYNA Forum
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