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wang412131

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[交流] 【求助】三维网格重划分问题 已有4人参与

接触分析中,采用网格重划分,网格的大小及节点位置总是改变,导致不能探测到接触,所以没有反力或应力产生,得不到正确的求解结果,请问大家,这种问题应该怎样解决呢?

[ Last edited by wang412131 on 2010-10-10 at 16:58 ]
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tizi123

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不知道,在哪里设置重划分网格
5楼2012-05-31 11:09:41
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cfem_nli

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adu886886(金币+1):谢谢提供意见 2010-08-05 09:49:47
引用回帖:
Originally posted by wang412131 at 2010-07-30 10:28:15:
接触分析中,采用网格重划分,网格的大小及节点位置总是改变,导致不能探测到接触,所以没有反力或应力产生,得不到正确的求解结果,请问大家,这种问题应该怎样解决呢?

first, by saying 网格重划分, do you mean" adaptive remeshing" ?

second,  your contact algorithm is written by yourself,or you are using some FEM software tools like Abaqus or Ls-DYna.... IN the latter case, do you actullay define the necessary contact?

however, In either case, mesh size and node position should not have brought big contact detection issue.  it's kind of relatively easy to handle depending on your specific model.
明知不可为而为之,欢迎到我的Wordpress站点, http://cfem2nli.wordpress.com/
2楼2010-08-04 22:46:22
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wang412131

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引用回帖:
Originally posted by cfem_nli at 2010-08-04 22:46:22:


first, by saying 网格重划分, do you mean" adaptive remeshing" ?

second,  your contact algorithm is written by yourself,or you are using some FEM software tools like Abaqus or Ls-D ...

把模型传上来了,你再帮我看看呗
3楼2010-10-10 16:56:59
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