FLUENT检查网格出问题

xi851103

fluent读入msh文件，check网格出现warning求助各位大哥大姐，fluent读入msh文件，check网格出现warning，二维，网格剖分用结构化划分。check无负体积，只有warning.动网格，动几步后负体积。求助如何处理？
Domain Extents:
  x-coordinate: min (m) = 5.000000e+002, max (m) = 1.278400e+003
  y-coordinate: min (m) = 0.000000e+000, max (m) = 7.950000e+001
Volume statistics:
  minimum volume (m3): 1.338423e-002
  maximum volume (m3): 2.086897e+000
    total volume (m3): 4.139154e+004
Face area statistics:
  minimum face area (m2): 4.545449e-002
  maximum face area (m2): 2.314001e+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 face node order.
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.
WARNING: Unassigned interface zone detected for interface 28
WARNING: Unassigned interface zone detected for interface 27
WARNING: Unassigned interface zone detected for interface 26
WARNING: Unassigned interface zone detected for interface 25
WARNING: Unassigned interface zone detected for interface 13
WARNING: Unassigned interface zone detected for interface 19
Checking storage.
Done.

WARNING: Grid check failed.

cnrikio

出现的warning是定义的边界类型不合适，定义成interface或者其他的再检查下就会消失的。
至于动网格运动之后出现负网格，说明你的网格不够健壮，随便动下就出现负体积了，要想办法提高结构网格的质量。