Erik Kostson
Ansys Employee

 

 

 

 

Hi

 

That should work only on a single non shared face belonging to an acoustic region made of a 3D part/body.

Also one needs to activate a damped solver since this adds damping – done under analysis settings.

One can see this error when trying to solve your system as it is – it will prompt the user to use the damped solver.

Thank you