![]() My questions are: 1) Is the DPM model appropriate for the simulation of steel ball dropping experiment under this condition? 2) why does the steel ball bounce back? (When I drop the ball 0.2m above the pool, there is no bounce back and the steel ball reaches the tank bottom gradually) 3) I read from the manual that the discrete phase reacts with the primary phase only. The mesh type is a cube and its size is 0.1m. The tank consists of upper part (for the air) and lower part (for the water pool), and there is nothing between the two parts. Then it jumps up about 0.2 m and then starts going down again (refer to the attached file). The DPM penetration length result from the 22R1 version shows that the steel ball bounces back when it drops about 0.3 m ( near the water pool surface). 2 phases of water (primary phae) and air (secondary phase), and a discrete phase of steel ball are defined in the multiphase DPM model. ![]() ![]() The steel ball is dropping 0.385m above the water pool of 1.5m deep. I am a novice for the Ansys Fluent and I am trying to simulate the steel ball (diameter of 0.05m) dropping experiment using DPM (Discrete Phase Model).
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