圆柱形汇聚激波诱导 Richtmyer-Meshkov不稳定的 SPH 模拟 1)

徐建于,黄生洪

NUMERICAL SIMULATION OF CYLINDRICAL CONVERGING SHOCK INDUCED RICHTMYER-MESHKOV INSTABILITY WITH SPH 1)

Xu Jianyu,Huang Shenghong

图1 $t=0.2$时刻Sod激波密度、压力、速度、能量的SPH解(虚线,颜色为不同粒子间距工况,双点化线为粒子物质属性标示的\\ 接触间断位置)与精确解(黑色实线)

Fig. 1 1D SPH solution (dashed line, color represents different$\Delta x$cases; double dot dash line is material ID of particles, which marks the contact discontinuity) and exact solution (black solid line) of density, pressure, velocity and energy of Sod's shock at $t=0.2$}