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Layout, Validation and Benchmark of an all new Frontal Offset Barrier FEM Model
For the customer, passive safety is one of the driving reasons for the decision when buying a new car. To ensure high safety standards, passive safety is demonstrated in vehicle crash tests. Instead of vehicle to vehicle crash tests, ...
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2009 European LS-DYNA Conference
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Papers
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An Investigation to Compare the Application of Shell and Solid Element Honeycomb Model in ODB
Cellbond and ARUP have launched their advanced crash barrier models in 2006 and since the time a continuous study has been carried out to distinguish costumer requirements and review feedbacks. Existing barrier models are constructed ...
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2009 European LS-DYNA Conference
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Papers
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Collision of a light weight passenger car against a steel bridge barrier: evaluation of severity indices varying impact conditions
The standards which fixes guidelines for the execution of crash tests to assess the effectiveness of safety barriers in USA and Europe, define an experiment with a low weight passenger car. Such an investigation’s aim is to evaluate ...
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2009 European LS-DYNA Conference
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Papers
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Quicker Process to Consider Strain Hardening for Crash Analysis Using HYCRASH
As one of the important issues in correlation of crash analysis, we know that the press-forming effect has large influence for the result of the analysis. Some tries and studies were carried out to assume the forming result to the ...
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2009 European LS-DYNA Conference
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Papers
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Finite element development and early experimental validations for a three dimensional virtual model of a bus
Road safety barriers in Europe have to fulfil the European standard EN 1317, which defines a set of crash tests for each safety barriers containment levels. Full scale tests of vehicle collision against road safety barriers have a ...
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2009 European LS-DYNA Conference
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Papers
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An assessment of the new LS-DYNA layered solid element: basics, patch simulation and its potential for thick composite structure analysis
One major component of fuel cell vehicles is the hydrogen storage system. A promising and nowadays mostly used approach is to store hydrogen in wet wound carbon fiber reinforced plastic (CFRP) vessels manufactured by filament winding ...
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2009 European LS-DYNA Conference
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Papers
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Damage modelling of a TRIP steel for integrated simulation from deep drawing to crash
The local mechanical properties e.g. flow stress and fracture strain in an automotive component manufactured by deep drawing are inhomogeneous due to different local deformation degrees which affect the component behaviour under crash ...
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2009 European LS-DYNA Conference
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Papers
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COUPLED FEM CALCULATIONS - A CAE TOOL TO IMPROVE CRASH-RELEVANT AUTOMOTIVE BODY COMPONENTS BY LOCAL HARDENING
In the automotive industry, there is an increasing demand for weight reduction as well as safety requirements. These demands have motivated the use of locally optimized components. This study shows how local rigidity of crash-relevant ...
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2009 European LS-DYNA Conference
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Papers
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Considering damage history in crashworthiness simulations
Crashworthiness simulations using explicit Finite Element methods are a central part of the CAE process chain of car body development. Since crash tests of prototype cars at an early development stage are very expensive, a ...
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2009 European LS-DYNA Conference
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Papers
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Investigation of Accuracy Improvement on Crashworthiness Simulation with Pre-Simulation of Metal Forming.
To improve the accuracy of crashworthiness simulation, it is preferable to consider the effects of metal forming. However, this approach was difficult in practice since analyzing the stamping simulation in detail requires much work. ...
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2009 European LS-DYNA Conference
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Papers