动网格问题求解

梅梅

我在设置动网格的时候提示以下错误，但是网格质量我已经控制在0.89以下了啊，面的网格质量是最差的是0.87谁能帮我解答一下啊？
Updating mesh to time 5.55556e-05 (step = 00001) (crank-angle = 0.50)...
Warning: found cell of wrong type, skip region remeshing on zone 2 at base zone 18.
Warning: found cell of wrong type, skip region remeshing on zone 2 at base zone 19.

WARNING: non-positive volumes exist.

Dynamic Mesh Statistics:
Minimum Volume    =-1.19928e-008
Maximum Volume    =5.22813e-009
Maximum Cell Skew =8.99799e-001 (cell zone 2)
Maximum Face Skew =9.99989e-001 (face zone 17)
Warning: maximum face skewness exceeds 0.95.
Warning: negative cell volume detected!
Error: Update dynamic mesh failed. Negative cell volume detected.
Error Object: ()