求助：最小的网格体积为什么会出现小于0的情况？

mntlh

谁给解释解释啊！！很简单的一个模型可就是检查不出来啊

Grid Check

Domain Extents:
   x-coordinate: min (m) = -3.000000e+01, max (m) = 3.000000e+01
   y-coordinate: min (m) = 0.000000e+00, max (m) = 8.000000e+01
   z-coordinate: min (m) = 0.000000e+00, max (m) = 1.000000e+01
Volume statistics:

WARNING: non-positive volumes exist.

   minimum volume (m3): -9.403880e-02
   maximum volume (m3): 4.943198e-01
     total volume (m3): 1.785395e+04
Face area statistics:
   minimum face area (m2): 2.998528e-06
   maximum face area (m2): 9.801429e-01
Checking number of nodes per cell.
Checking number of faces per cell.
Checking thread pointers.
Checking number of cells per face.
Checking face cells.
Checking bridge faces.
Checking right-handed cells.
Checking element type consistency.
Checking boundary types:
Checking face pairs.
Checking periodic boundaries.
Checking node count.
Checking nosolve cell count.
Checking nosolve face count.
Checking face children.
Checking cell children.
Checking storage.
Done.

WARNING: Grid check failed.

[ 本帖最后由 mntlh 于 2009-12-31 20:40 编辑 ]

凌白日

存在附体积，是你网格划分有问题。如果是ICEM的话，我还懂。

wuming2723628

存在负体积，从新的画吧~~