Water Hammer Valve closing.

- October 4, 2023 at 12:06 am
  
  Arul Manokaran
  Subscriber
  
  Hi, I am a beginner here. I am trying to simulate a water hammer with realistic valve closure rather than immediately setting the velocity to Zero. Can you help me determine what Boundary condition needs to be specified and what approach to be followed to simulate the valve closing? Thanks you !
- October 4, 2023 at 12:29 pm
  
  Federico
  Ansys Employee
  
  Hello,
  if you are using Dynamic meshing, consider this video to get you started: Ansys Fluent: Using the Six Degrees of Freedom (Six DOF) Solver - YouTube
  To model closure of the valve, you will need to enable the Gap Model 6.8. Controlling Flow in Narrow Gaps for Valves and Pumps (ansys.com)