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Old   September 27, 2004, 14:44
Default icem cfd 2D mesh
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dx
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I am new with icem cfd. Is it possible to mesh a 2D geometry with Tri type, or only with Hex type? Thanks.
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Old   September 27, 2004, 18:19
Default Re: icem cfd 2D mesh
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Glenn Horrocks
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Hi,

You can create 2D meshes in ICEM with tris or quads, which can be extruded to give wedge and hex volume elements.

Glenn Horrocks
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Old   September 27, 2004, 19:19
Default Re: icem cfd 2D mesh
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DX
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Hello Glenn Thanks for your help. But the word "this" you said means Hex? So I can not creat 2D meshes with Tri type, right?

DX
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Old   September 28, 2004, 18:35
Default Re: icem cfd 2D mesh
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Glenn Horrocks
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Hi,

CFX5 is a 3D solver. It cannot use a 2D mesh. A 2D mesh (eg tris or quads) needs to be extruded one element in the third dimension to give a 3D volume mesh, but only one element thick. Then you define symmetry boundary conditions on the front and back faces and you can trick the 3D solver into doing a 2D simulation. Note that it is not a true 2D solution as it still solves for a Z velocity, but if everything is correct the Z velocity should be zero (within convergence accuracy).

Glenn Horrocks
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Old   September 29, 2004, 13:02
Default Re: icem cfd 2D mesh
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dx
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ok. thanks, Glenn
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