Question

fluent里提示Grid check failed

Grid Check

Domain Extents:
x-coordinate: min (m) = 0.000000e+000, max (m) = 5.000000e+002
y-coordinate: min (m) = 0.000000e+000, max (m) = 3.000000e+001
Volume statistics:
minimum volume (m3): 3.749990e-001
maximum volume (m3): 3.750038e-001
total volume (m3): 1.500000e+004
Face area statistics:
minimum face area (m2): 1.499996e-001
maximum face area (m2): 2.500000e+000
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 face handedness.
Checking element type consistency.
Checking boundary types:
Error: pressure-inlet zone 5 has two adjacent cell zones.

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.

Interrupting...
Done.

Answer 1

就是说你在划分网格的时候没有定义好边界条件的面。你的压力入口区域有两个相邻面没有完全定义，如果你在gambit处理过程中定义了interface，那么在fluent操作的时候要先定义好interface再进行网格检查，这样就没问题了。

Answer 2

你的网格模型里面有两个区域，存在interface面是吧？
你需要在mesh interface里面指定一下interface面的对应关系，完了check就没有问题了。