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gambit划分网格出现问题

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发表于 2011-5-12 09:49:26 | 显示全部楼层 |阅读模式

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fluent进行网格检查时发现minimum(m3)小于0,请问gambit划分网格哪部分出现问题?谢谢
发表于 2011-5-12 10:09:18 | 显示全部楼层
不知道
发表于 2011-5-12 13:15:55 | 显示全部楼层

回复 1# 北斗极星 的帖子

重新划分,检查下不规则区域的网格划分吧,具体不好说
发表于 2011-5-13 15:55:18 | 显示全部楼层
重来吧,不能小于0
 楼主| 发表于 2011-5-17 12:51:40 | 显示全部楼层

这是具体文本信息,不知错在何处

WARNING: non-positive volumes exist.

     materials,
     interface,
     domains,
     zones,
        default-interior
        velocity-inlet.1
        outflow.2
        interface.3
        interface.4
        wall.5
        wall
        fluid
     shell conduction zones,
Done.

Grid Check

Domain Extents:
   x-coordinate: min (m) = -3.260000e+003, max (m) = 2.569309e+003
   y-coordinate: min (m) = -2.270000e+003, max (m) = 2.870000e+003
   z-coordinate: min (m) = 0.000000e+000, max (m) = 1.177000e+004
Volume statistics:

WARNING: non-positive volumes exist.

   minimum volume (m3): -3.986929e+005
   maximum volume (m3): 6.608189e+006
     total volume (m3): 1.821421e+011
Face area statistics:
   minimum face area (m2): 5.411676e-001
   maximum face area (m2): 4.229674e+004
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.
   Zone   3: 15472 right-handed,    41 left-handed
   Zone  10: 386787 right-handed,  4100 left-handed
Checking face node order.
Checking element type consistency.
Checking boundary types:
Checking face pairs.
Checking periodic boundaries.
Warning: The mesh contains very high aspect ratio hexahedral
         or polyhedral cells.
         The default algorithm used to compute the wall
         distance required by the turbulence models might
         produce wrong results in these cells.
         Please inspect the wall distance by displaying the
         contours of the 'Cell Wall Distance' at the
         boundaries. If you observe any irregularities we
         recommend the use of an alternative algorithm to
         correct the wall distance.
         Please select /solve/initialize/repair-wall-distance
         using the text user interface to switch to the
         alternative algorithm.
Checking node count.
Checking nosolve cell count.
Checking nosolve face count.
Checking face children.
Checking cell children.
WARNING: Unassigned interface zone detected for interface 5
WARNING: Unassigned interface zone detected for interface 6
Checking storage.
Done.

WARNING: Grid check failed.
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