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A Robust Riemann Solver for Multiple Hydro-Elastoplastic Solid Mediums
2020
Advances in Applied Mathematics and Mechanics
We propose a robust approximate solver for the hydro-elastoplastic solid material, a general constitutive law extensively applied in explosion and high speed impact dynamics, and provide a natural transformation between the fluid and solid in the case of phase transitions. The hydrostatic components of the solid is described by a family of general Mie-Grüneisen equation of state (EOS), while the deviatoric component includes the elastic phase, linearly hardened plastic phase and fluid phase.
doi:10.4208/aamm.oa-2019-0039
fatcat:6og6chqgefcwji3t24qflcp5qq