Error in moving mesh
 

Dear sir, I am doing my P.G in Anna univ.and doing my project in CFD-star CD.Regarding my project i want to do moving mesh,so that i gave bowl vertex points then connected everything with spline and patch that surface finally revalved with 60 deg. and merged,compressed,but i got cell collapsed,crack and negative volume errors,how can rectifing that. regards, p.sasikumar, Anna university chennai tamilnadu.