1. Steady flow and unsteady flow(1) Steady flow is the flow whose motion factors (such as flow,density,pressureand viscosity) don’t change with time. That is:So acceleration of euler at constant flow is a=(μ·▽)u.(2) Unsteady flow is the flow that at least......（本文共 1989 字, 5 張圖）     [閱讀本文] >>