stress contour has some strange curves after cutting

[zhanshenjing]

Some one know why my stress contour looks so werid? some curves appeared make the results looks rather a bad one.

here is one result plot..

 

[zhanshenjing]

another link

 

[rb1957]

neither link would downlaod for me

 

[corus]

Nor me. Could be the name of the files which appear to have some odd characters.

 

[missil3]

Would be better if you upload it to a image host like imgur.com or something.

 

[rb1957]

pix get attached very easily with the upload button.