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1 采用MPS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

Table 1 The maximum fluctuation of the deviation in particle number density of different (ni-n0)/n0 by MPS kernel function

Collision Max fluctuation of α coefficient particle 1 particle 2 α = 0.5 0.913 0.152 α = 0.7 0.391 0.081 α = 0.9 0.101 0.024 α = 0.9 0.043 0.011