冷流道无法CREAT MESH

cyfsz

<BR>利用直线创建CPPLING LINE 失败，显示信息如下：<BR>请教是什么原因？<BR><BR>-------------------------------------------------------------------------------<BR>BEGIN: Preview mesh<BR>END:   Preview mesh<BR>-------------------------------------------------------------------------------<BR>-------------------------------------------------------------------------------<BR>BEGIN: Preview mesh<BR>END:   Preview mesh<BR>-------------------------------------------------------------------------------<BR>-------------------------------------------------------------------------------<BR>BEGIN: Removing disconnected nodes<BR>END:   Removing disconnected nodes<BR>-------------------------------------------------------------------------------<BR>-------------------------------------------------------------------------------<BR>BEGIN: Removing disconnected nodes<BR>END:   Removing disconnected nodes<BR><BR>

larrycax

兄弟，你用的是什么软件创建流道？不是MF吧？

cyfsz

<P>楼上大哥，用的就是MF建的。但旧问题解决了，新问题又来了。</P>
<P>描述如下，这回真的晕菜了！</P>
<P><BR>** WARNING 701360 ** Beam element   12877  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12878  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12879  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12880  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12881  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12882  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12883  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12884  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12899  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12900  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12901  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12902  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12903  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12904  has a very bad length/diameter ratio</P>
<P>** WARNING 701380 ** Warnings were reported in the model<BR>                     Check the mesh quality of the model  </P>
<P>** WARNING 701360 ** Beam element   12877  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12878  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12879  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12880  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12881  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12882  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12883  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12884  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12899  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12900  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12901  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12902  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12903  has a very bad length/diameter ratio</P>
<P>** WARNING 701360 ** Beam element   12904  has a very bad length/diameter ratio</P>
<P>** WARNING 701380 ** Warnings were reported in the model<BR>                     Check the mesh quality of the model  </P>
<P>   Total Mbytes required for cooling analysis         =   274.68  <BR>   Total Mbytes available for cooling analysis        =  2997.35  </P>
<P>** WARNING 702352 ** Element    1325  and    1382  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>** WARNING 702352 ** Element    1354  and    1384  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>** WARNING 702352 ** Element    1547  and    1548  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>** WARNING 702352 ** Element    1549  and    2372  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>** WARNING 702352 ** Element    7763  and    7820  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>** WARNING 702352 ** Element    7792  and    7822  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>** WARNING 702352 ** Element    7985  and    7986  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>** WARNING 702352 ** Element    7987  and    8810  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>** WARNING 98000 ** The following warning messages occurred more than 5 times:</P>
<P>              Message No. Number of occurrences<BR>              701360         28 <BR>Analysis Check completed successfully with 39 warnings<BR>** WARNING 98000 ** The following warning messages occurred more than 5 times:</P>
<P>              Message No. Number of occurrences<BR>              701360         28 </P>

larrycax

<P>** WARNING 701360 ** Beam element   12877  has a very bad length/diameter ratio</P>
<P>这个问题是说你流道网格的划分的密度不正确，需要重新划分。密度基本上等于直径就可以了，过密与过疏都不好。</P>
<P>** WARNING 702352 ** Element    7792  and    7822  are overlapping or too <BR>                     close. The analysis may not be able to resolve these<BR>                     problem elements during analysis. It is recommended<BR>                     that you improve the mesh in the region of these<BR>                     elements.</P>
<P>这个问题是说在冷却分析时水路与成品的网格太近 ，如果配向没有问题，一般不用理会的，分析可以继续下去。</P>