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Topology and Geometry Based Structure Optimization using Implicit Parametric Models1 and LS-OPT
Today’s vehicle development process demands for quick evaluation of new designs considering the various attributes in the conceptual phase. Various CAx tools and methods are essential to realize these assessments in a very narrow time ...
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2009 European LS-DYNA Conference
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Geometry-Based Topology Optimization - Improving Head Impact Performance of an Engine Hood
The actual paper introduces the integration of LS-DYNA and CATIA V5 into automatic geometry- based topology optimization of an engine hood regarding pedestrian head impact. In current design processes, such Computer Aided Engineering ...
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2009 European LS-DYNA Conference
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Multi-Disciplinary Design Optimization exploiting the efficiency of ANSA-LSOPT-META coupling
Simple optimization techniques may serve well for the improvement of product performance at early concept design phases. At final phases though, optimization problems become more complex, with many variables and multiple optimum ...
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2009 European LS-DYNA Conference
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Papers
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Integrative Optimization of injection-molded plastic parts - Multidisciplinary Shape Optimization including process induced properties
The Integrative Approach described in this paper incorporates effects of the part’s manufacturing process (here: injection molding) into a new workflow for optimization of the part performance. The new approach is able to close the ...
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2009 European LS-DYNA Conference
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Papers
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Finite Element Modeling of the Arresting Gear and Simulation of the Aircraft Deck Landing Dynamics
Deck arresting gear is a special aero-carrier unit that is destined to provide an efficient arrestment of the deck jet-fighters of masses 10-25 tons with high landing velocities between 180 and 240 km/h. Main elements of the modern ...
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2009 European LS-DYNA Conference
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Simplified FE Simulation of Frontal Occupant Restraint Systems
A biofidelic flexible pedestrian legform impactor (Flex-PLI) has been developed by Japan Automobile Manufacturers Association, Inc. (JAMA) and Japan Automobile Research Institute (JARI). The Flex-PLI has good biofidelity as well as ...
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2009 European LS-DYNA Conference
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Papers
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Development of a Flex-PLI LS-DYNA Model
A biofidelic flexible pedestrian legform impactor (Flex-PLI) has been developed by Japan Automobile Manufacturers Association, Inc. (JAMA) and Japan Automobile Research Institute (JARI). The Flex-PLI has good biofidelity as well as ...
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2009 European LS-DYNA Conference
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Papers
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On Predicting Lower Leg Injuries for the EuroNCAP Front Crash
Validation of occupant lower leg injury performance is a difficult procedure due to the complex interaction between occupant and vehicle structure. As a starting point, a carefully validated structural model is crucial to ensure the ...
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2009 European LS-DYNA Conference
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MADYMO and LS-DYNA; the Strength of a Combined Approach
While safety legislation becomes more stringent and vehicles intended for global markets must conform to the requirements of a wider range of regulatory bodies, the cost of physically testing crash safety performance continues to rise ...
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2009 European LS-DYNA Conference
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Use of the FTSS Modular Crash Dummy Models in Frontal Occupant Simulation
Legal and consumer crash tests use crash dummies as the key measurement device in the assessment of crash severity. The dummies are complex assemblies in themselves, and sophisticated DYNA FE models are available, with a significant ...
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2009 European LS-DYNA Conference
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