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p_rgh residual diverging for chtMultiRegionFoam case with cyclic boundary conditions |
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April 1, 2019, 23:06 |
p_rgh residual diverging for chtMultiRegionFoam case with cyclic boundary conditions
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#1 |
New Member
Join Date: Jan 2019
Posts: 2
Rep Power: 0 |
Hello all,
I am attempting to get a case involving a smooth duct with a metal region on bottom to run. I am using chtMultiRegionFoam and so far get decent results if i define the boundary conditions with the standard input output pressures and velocities but run into trouble when I include cyclic boundary conditions. For some reason I am getting a divergence in p_rgh, among other errors, when I run it. I have tried many things and cannot seem to figure this one out. I can get a regular cyclic case to run fine just not with conjugate heat transfer. I am new to this, so I am not sure what would be necessary to diagnose and am just posting the 0 directory. Any guidance is appreciated. Thanks, Caleb |
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April 2, 2019, 01:36 |
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#2 |
Member
Adam
Join Date: Nov 2018
Posts: 36
Rep Power: 8 |
You should post your entire case file. With only the /0 directory, we can't see how the neighbouring patches are defined, those should be in the boundary files located in /constant.
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April 2, 2019, 12:41 |
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#3 |
New Member
Join Date: Jan 2019
Posts: 2
Rep Power: 0 |
The case file is too large for me to post. How do I get around this.Attached is the boundary file.
Thanks, Caleb |
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Tags |
chtmultiregionfoam, periodic bc |
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