Tet Collapse elements failure

Altair Forum User

I am meshing my steering knuckle in the hypermesh with user profile as Optistruct. When i go for elements check up , i find a few hundred elements failingin the tet collapse domain. How do i correct them ? 

Rahul_P1

See page 216-217 of the free student guide - Practical aspects of finite element simulation,

 

also see -