moving mesh
 

Can someone explain to me how to see a moving mesh with regards to deformation on the walls due to shear stress.

this is a Fluid-Structure-Interaction application.
If you are working with Ansys, you can treat this kind of problem (cfd-fea coupling)

Hi,
I'm really a biginner so don't know too much about the working's of ansys. could you explain to me please
thanks

Since I don't have ansys I cannot help you
Sorry
But check into manuals, it should be any tutorial about FSI