Abstract
A thermodynamically equilibrium model is applied for simulating thermodynamic parameters of shock loading of both pure materials and mixtures of homogeneous and porous materials. The model includes a modified equation of state, which has only one fitting parameter determined on the basis of experimental data. The thermodynamic parameters of shock loading of copper and copper-based mixtures with porosities of 1–10 at pressures above 5 GPa are calculated. The results of these calculations are compared to available experimental data (Hugoniot adiabats, double compression by shock waves, and temperature estimates). The possibility of modeling the compression of the mixture as a whole and each component separately is demonstrated.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 60, No. 4, pp. 26–34, July–August, 2019.
Original Russian Text © K.K. Maevskii, S.A. Kinelovskii.
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Maevskii, K.K., Kinelovskii, S.A. Modeling of High-Porosity Copper-Based Mixtures under Shock Loading. J Appl Mech Tech Phy 60, 612–619 (2019). https://doi.org/10.1134/S0021894419040035
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DOI: https://doi.org/10.1134/S0021894419040035