利用非定常流函数涡量方程数值模拟圆柱突然起动尾流涡旋的形成及周期性脱落过程。
The unsteady equations of stream and vorticity functions were used for numerical simulation on the process of the vortex formation and periodic shedding from an impulsively started circular cylinder.
分析表明，当由简谐声源所发射的声波在一维非稳定流中传播时，对于某一确定位置，其声压幅度除随时间周期变化外，还受到M和（?）
When a harmonic wave propagates in one-dimensional unsteady flow, the wave amplitude at any x-position will be related with Mach number M and (?)
分析表明，当由简谐声源所发射的声波在一维非稳定流中传播时，对于某一确定位置，其声压幅度除随时间周期变化外，还受到M和（?）
When a harmonic wave propagates in one-dimensional unsteady flow, the wave amplitude at any x-position will be related with Mach number M and (?)
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