Advances in Crash Simulations: Modeling, Analysis, and Applications

Dear Colleagues,

Crash simulations are requested to reduce the cost and development time of energy absorption solutions. The increasing number of legislations for different countries requires the use of robust simulations. In automotive industry many components are subjected to requirements for impacts with low energy such as pedestrian impacts and high energy such as frontal offset crash. In automotive industry passive safety requires the development of restraint systems with reduced simulations such sled tests. Also airbag models and many complex materials require specific models. With this special issue we want to concentrate in explicit methods that can convert kinetic energy into plastic deformation considering new materials, rupture of spotwelds, friction and many parameters that might affect the crash outcome. Specific topics that might be of interest for this special issue:

• Impact in batteries.
• Impact calibration for dummies, free form heads.
• Material model calibration for different strain rates.
• Mass scaling discussion for stable time step.
• Stochastic simulations for impacts considering the bounds within legislation.
• Legislation fulfilment.
• Calibration of reduced tests.
• Use of new materials for energy absorption.
• Machine learning for crash management simulation.
• CAD software, meshing software, solving and postprocessing.
• Number of nodes and elements, quality criteria for mesh.
• Boundary conditions.
• Time step used.
• Total simulated time.
• CPU used to solve and time required.
• Objectives in postprocessing related to legislation.

Dr. Andrés Amador Garcia-Granada
Prof. Dr. Hirpa G. Lemu
Guest Editors

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• explicit crash
• mass scaling
• injury criteria
• airbags
• sled test
• dummy
• EuroNCAP
• material models
• shell theory
• fracture
• weld points
• battery impact
• energy