Development of Foam Models as Applications to Vehicle Interior

Paper #:
  • 952733

Published:
  • 1995-11-01
Citation:
Chou, C., Zhao, Y., Chai, L., Co, J. et al., "Development of Foam Models as Applications to Vehicle Interior," SAE Technical Paper 952733, 1995, https://doi.org/10.4271/952733.
Pages:
14
Abstract:
Various foam models are developed using LS-DYNA3D and the model predictions were validated against experiments. Dynamic and static stress-strain relations are obtained experimentally for crushable and resilient foam materials and used as inputs to the finite element analyses. Numerous simulations were carried out for foams subjected to different loading conditions including static compression and indentation, and dynamic impacts with a rigid featureless and a rigid spherical headform. Comparisons of the results obtained from different foam models with test data show appropriate correlations for all the cases studied. Parametric studies of the effects of tensile properties of foam material and the interface parameters on foam performance are also presented.
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