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Problem unstructured mesh domain drilled by a cylinder

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Old   July 16, 2014, 16:40
Default Problem unstructured mesh domain drilled by a cylinder
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Hi guys ,
I have a problem with an unstructured mesh of a simple domain . It is a parallelepiped drilled by a cylinder that represents the shoe of a tribometer . The bottom of the tribometer is only two micron ( unity of icem cfd ) from the base . When I generate the mesh with robust octree ( all tri , patch dependent ) , there is a problem of matching between the bottom of the shoe and the side surface of the cylinder : the mesh cannot reach the curve that connects this two surfaces , and it generates wrong shells ; this thing makes not good the mesh . Can someone help me ? Is it maybe a problem of tolerance between surfaces or geometry ? Or is that a problem of volume meshing ? Thank you
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