Simulation study of shock wave reaction on porous materia

Xu Aiguo,Zhang Guangcai,Yu Xijun,Pan Xiaofei,Zhu Jianshi

Strategic Study of CAE ›› 2009, Vol. 11 ›› Issue (9) : 13 -19.

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Strategic Study of CAE ›› 2009, Vol. 11 ›› Issue (9) : 13 -19.

Simulation study of shock wave reaction on porous materia

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Abstract

Complex spatial-temporal dissipative structures occur in shocked porous material. The system is globally in nonequilibrium. Both the simulation and data analysis for such a system are challenging.The system was simulated by using the material-point method which was developed recently. The Minkowski functionals were introduced to describe the Turing pattern of the map of state variable like temperature.The relevance among the three Minkowski functionals,the area fraction of the high-temperature regions and the distribution of "hot-spots"  in space was pointed out.The shock wave reaction with inhomogeneous material was studied by analyzing the evolution of Minkowski functionals. The effects of porosity and shock-wave-strength were investigated.

Keywords

shock wave / porous material / material-point-method / morphological characterization

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Xu Aiguo,Zhang Guangcai,Yu Xijun,Pan Xiaofei,Zhu Jianshi. Simulation study of shock wave reaction on porous materia. Strategic Study of CAE, 2009, 11(9): 13-19 DOI:

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