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wzl08

金虫 (小有名气)

[求助] ANSYS 网格检查出现问题,肿么办 已有2人参与

The mesh contains high aspect ratio quadrilateral,
         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.
这是什么个情况啊,还请高手解答啊
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蜗牛e族

银虫 (小有名气)

楼主  在fluent怎么解决的呢?
9楼2015-08-02 15:46:27
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htbbzzg

铁杆木虫 (著名写手)

【答案】应助回帖

★ ★
感谢参与,应助指数 +1
xiegangmai: 金币+2, 鼓励讨论交流! 2013-01-24 20:38:46
该信息是说你的某些单元的边长比 (单元的最长边长与最短边长之比) 太大,计算结果可能不对。你可以检查一下单元形状,把边长过大的单元边界所在的线段的分段数增大到原来的若干倍,直到基本没有同类问题为止。
    查找有问题的单元的菜单路径见附图。
2楼2013-01-17 20:39:22
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htbbzzg

铁杆木虫 (著名写手)

【答案】应助回帖

★
xiegangmai: 金币+1, 谢谢参与! 2013-01-24 20:38:51
查找有问题单元的附图不知为何没有插进去,写一下菜单路径吧:
    Main Menu > Preprocesssor > Meshing > Check Mesh > Individual Ele > Plot Warning/Error Elements
3楼2013-01-17 20:51:14
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wzl08

金虫 (小有名气)

引用回帖:
3楼: Originally posted by htbbzzg at 2013-01-17 20:51:14
查找有问题单元的附图不知为何没有插进去,写一下菜单路径吧:
    Main Menu > Preprocesssor > Meshing > Check Mesh > Individual Ele > Plot Warning/Error Elements

十分感谢你的解答,不过你写的路径我在FLUENT里没有发现啊,我倒是按照说明输入了命令(/solve/initialize/repair-wall-distance),但是结果确实Enabled correction of wall distance at high aspect ratio
quadrilateral, hexahedral, and polyhedral cells.
Warning: compute-wall-distance: wall distance not required by enabled models
4楼2013-01-17 21:13:26
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