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November 7, 2008, 17:43 |
Trimmer meshing model STAR-CCM+
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#1 |
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I have a relatively simple geometry of a square cross-section pipe with a thin solid material boundary (to simulate H1 thermal boundary condition) and am trying to find a way to produce a more optimal mesh.
The geometry is square in the XY plane and extends in the Z direction. Is there any way to specify or change the number of cells or stretch the cells in the Z direction to make the number of cells smaller when running longer pipes? For example, I know that in GAMBIT, it is possible to specify how many cells to produce along a dimension. Is something similar available within STAR-CCM? Also, if anyone has a better way to simulate the H1(constant axial heat flux with constant peripheral wall temperature) thermal boundary condition in STAR-CCM that would be very helpful as well. I am currently specifying a thin, highly conductive solid material surrounding the pipe fluid that is subjected to a constant heat flux. Due to the high thermal conductivity of the material, the peripheral wall temperature is approximately constant. |
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