fluent的一个VOF二维流化床多相流算例(A VOF case of FLUENT- 2D Fluidized Bed, including the documents of msh, udf and desription)

采用周期性边界，在VOF方法中模拟气泡上升运动的应用算例(The application of periodic boundary in the simulation of bubble rising motion in the VOF method is applied)