Finite element simulation of laser - generated circumferential waves in hollow cylinder 激光在管道中激发周向导波的有限元模拟
2.
The reynolds number of the flow is 3000 . the circumferential wave number of psb disturbance is 1 . the frequency of disturbance is 0 . 5 本文计算中流动的雷诺数选定为3000 , psb扰动的周向波数选定为1 ,扰动频率选定为0 . 5 ,扰动宽度选定为。