Keyur Kanade
Ansys Employee

Open DM and then go to Tools → Options. There under graphics option you will see option to improve facet quality. Make it 10. 

Also in your case please check share topology as well. The image is not so clear but it could be the reason. 

Please go through help manual for more details 




How to access Ansys Online Help Document

Guidelines on the Student Community

Fluids Engineering Courses | Ansys Innovation Courses