A constitutive model is developed for strain rate dependent foam and implemented in an explicit dynamic finite element code. The constitutive model is developed in conjunction with a Lagrangian hexahedral solid element with twenty four degrees of freedom. A number of dynamic impact problems involving strain rate dependent foam are analyzed and results are compared with experimental data. In all cases, numerical predictions show excellent agreement with the experiments.
Characterization of Foam Under Impact Loading
Sae Technical Papers
International Congress & Exposition ; 1996
1996-02-01
Conference paper
English
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