粒子法中压力振荡的机理研究

朱跃, 姜胜耀, 杨星团, 段日强

MECHANISM ANALYSIS OF PRESSURE OSCILLATION IN PARTICLE METHOD

Zhu Yue, Jiang Shengyao, Yang Xingtuan, Duan Riqiang

表2 采用高斯核函数时, 在不同碰撞系数下的粒子数密度偏差的最大波动值

Table2 The maximum fluctuation of the deviation in particle number density of different (ni-n0)/n0 by Gauss kernel function

Collision Max fluctuation of α coefficient particle 1 particle 2 α = 0.5 0.295 0.132 α = 0.7 0.184 0.065 α = 0.9 0.061 0.018 α=0.5 = 0.95 0.030 0.008