Three-dimensional numerical simulation of the instability of the interface between two high-speed colliding metal plates

31st International Conference on Equations of State for Matter

Fortova, S.V.^1 ; Shepelev, V.V.^1 ; Pronina, A.P.^1 ; Utkin, P.S.^1

Institute for Computer-Aided Design of the Russian Academy of Sciences, Vtoraya Brestskaya 19/18, Moscow

123056, Russia^1

关键词: Comparative analysis;    Different densities;    Dynamic process;    High speed impact;    Interface deformation;    Rayleigh-Taylor instabilities;    Ring shaped structures;    Three-dimensional numerical simulations;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/774/1/012028/pdf
DOI  :  10.1088/1742-6596/774/1/012028

来源: IOP

【 摘 要 】

The dynamic processes which take place during high-speed impact of two metal plates with different densities are investigated using three-dimensional numerical simulations. It is shown that as a result of the impact the Rayleigh-Taylor instability forms which leads to the formation of three-dimensional ring-shaped structures on the surface of the metal with smaller density. The comparative analysis of the metals interface deformation process with the use of different equations of state is performed.