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August 26, 2017, 17:25 |
2d mesh fluent
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#1 |
New Member
hujek
Join Date: Jun 2014
Posts: 25
Rep Power: 11 |
Hi i have question,
Does 2d mesh to fluent must have a physical volume? F.e minimal thiknes? Can i import to fluent 2d surface mesh with 0 thikness? (one layer of elements but without a physical thick) when i import to solver from ansys meshing this type of mesh i have errors,so that i cant make a 2d analysis. I know that cfx recognize 2d mesh only with a physical volume, so in fluent is similiar problem? |
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August 27, 2017, 00:00 |
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#2 |
Senior Member
Lucky
Join Date: Apr 2011
Location: Orlando, FL USA
Posts: 5,676
Rep Power: 66 |
No Fluent's 2D mesh is a true 2D mesh. You just need to figure out what you're doing wrong in Ansys mesher. Are you actually using the ansys mesher or ICEM? Don't confuse a surface mesh, which is generally a CAD tesselation, with a 2D mesh.
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September 2, 2017, 15:22 |
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#3 |
New Member
hujek
Join Date: Jun 2014
Posts: 25
Rep Power: 11 |
thanks for reply,im using ansys meshing
My first problem was im not place model on correct plane. Model must be on x-y plane, before starting case on properities in workbench im not turn on 2D mode. It is important to turn on this option`s before starting case, and meshing. Also i have question wchich behavior in ansys meshing in geometry tab is the best for CFD? Axial-symmetric? ofcourse i know that its depend on Case, for straight pipe - axial symmetric, i think, for flat plates or square channels probably plain strain. And for what is plane strain? In CFD f.e for analizing cross setcion where z dimension is also important? |
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