技術鄰?>? CAE仿真?>? Ansys 網格映射劃分問題? 瀏覽:1440 回答:3 類似下圖所示,一個帶圓柱孔的長方體,如果把體切分成四等份劃分網格的話,前端面四條邊的單元格都為偶數,例如下圖中端面四條邊都為10等分,但是不知道怎么把端面的四邊劃分為奇數份,嘗試了各種方法,都沒有成功,不知道是否可以劃分,如果可以的話又該如何劃分,望解答,感激不盡
如果你對模型四等分是沿著 4 條邊的中點進行切分的,那么你需要將四條邊劃分奇數單元是不可能的,除非單元劃分是不對稱的。
不過,如果你是沿對角線將模型分割為 4 個小體積,倒是可以將四條邊劃分奇數個單元,如下圖所示:
相應的命令流如下:
fini
/clear
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/udoc,1,date,0
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KEYW,PR_STRUC,1
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/PREP7
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ET,1,SOLID185
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MPDATA,EX,1,,210000
MPDATA,PRXY,1,,0.3
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CYL4, , ,1.6, ,2, ,20
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FITEM,2,1
FITEM,2,-2
VOVLAP,P51X
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FITEM,2,2
FITEM,2,4
VSBW,P51X
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wpro,,,90.000000
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FITEM,2,1
FITEM,2,3
FITEM,2,5
FITEM,2,-6
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TYPE, 1
MAT, 1
REAL,
ESYS, 0
SECNUM,
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FITEM,5,1
FITEM,5,-8
FITEM,5,13
FITEM,5,-28
LSEL, , , ,P51X
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FITEM,5,37
FITEM,5,-40
FITEM,5,49
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LESIZE,all, , ,10, , , , ,1
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FLST,5,8,4,ORDE,6
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LSEL, , , ,P51X
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FLST,5,12,4,ORDE,8
FITEM,5,9
FITEM,5,-12
FITEM,5,29
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EPLO
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