February 24, 2023 at 9:33 am
Essence
Ansys Employee

Hello,

You need to change the settings and additional dynamic mesh zones (eg: maybe boundary zones) need to be defined. You might find more information here: 11.6. Using Dynamic Meshes (ansys.com)  44.6. FSI Setup Recommendations for Fluent-Mechanical Couplings (ansys.com)