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[多场耦合] 提示:Fluid-structure interfaces in fluid and solid models are not coincident

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发表于 2012-7-17 10:17:50 | 显示全部楼层 |阅读模式 来自 重庆沙坪坝区
流固耦合求解报错提示信息如下:
Fluid node (label) 1038 is not attached to solid fluid-structure
    interface 1. The relative distance to solid boundary element
    579 is 3.51E+00.
    The fluid nodal coordinates are (-3.3E-02, 0.00E+00, -1.7E-02).
    The points and their coordinates of the solid boundary element are:
        point       1 = ( -3.35E-02, 0.000E+00, 0.000E+00)
        point       7 = ( -3.31E-02, 4.992E-03, 0.000E+00)
        point     295 = ( -3.31E-02, 4.992E-03, 5.000E-03)

    Possible causes are:

      * Fluid-structure interfaces in fluid and solid models are not
        coincident;
      * Solid boundary elements are too coarse compared with fluid boundary
        elements on the same fluid-structure interface.



一、网上查询解决方法有:1、流体和固体的耦合面要对应(我的是对应的)
                                   2、在MESHING-CREATEPOINT那里输入流固接触点的点号,在MESHING-ALE MESH CONSTRAINTS-FIX MESH 看你所选中的点是否被固定 这样 在重新画网格就可以了!(没找到MESHING-CREATEPOINT选项
二、流体也流固耦合功能高级应用书上有这个典型错误,说是两个耦合面之间距离太大。
哪位朋友能给予解惑

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