Ansys Learning Forum Forums Discuss Simulation Fluids Negative Cell Volume detected in Dynamic Mesh. Reply To: Negative Cell Volume detected in Dynamic Mesh.

Federico
Ansys Employee

Right, compressible liquid don't vary in density too much but it does make a difference for the solver. You may also try introducing Solution stabilization to your moving boundaries 12.6.9.8 Solution Stabilization for Dynamic Mesh Boundary Zones (ansys.com)