Abstract
Material characterization is one of the critical challenges facing the anthropomorphic test device (ATD) modeling community because of the lack of adequate material models and inconsistency between material models available in different computational Finite Element codes. The WIAMan modeling and simulation team systematically characterized the material properties using experimental data for 8 polymeric materials used in key components in the WIAMan ATD Tech Demonstrator. Two modeling teams independently developed finite-element model of the WIAMan ATD in vertical accelerative loading using 2 different modeling platforms (LS-DYNA and Velodyne). The WIAMan FEM has successfully supported the design and development of the WIAMan ATD, the world's first biofidelic ATD for vertical accelerative loading. The approaches to derive the material parameters, constitutive material models, and the fitting algorithms are briefly discussed in this paper. A brief comparison of the whole-body simulation results of an ATD response to those of the corresponding test data due to vertical accelerative loading shows strong confidence in the predictive capability of the WIAMan ATD FE model.
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