what is good and bad values for quality improve max angle? should i maximize it or minimize ?
It is maximum angle between the normals of adjacent faces during mesh improvements.
Please try not to change it as it may distort your surface mesh.
Guidelines for Posting on Ansys Learning Forum
How to access ANSYS help links
@kkanade thanks for your answer
Ansys customers with active commercial software licenses can access the
customer portal and submit support questions. You will need your active account number to register.