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Grid Convergence Index - where to find required data? |
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February 14, 2022, 07:28 |
Grid Convergence Index - where to find required data?
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#1 |
New Member
Alex
Join Date: Feb 2022
Posts: 1
Rep Power: 0 |
Hello,
I am using ANSYS Mesh and FLUENT to model the flow around an aerofoil, and am struggling to find either the average cell edge length or average cell area (ideally the average cell area) to input into the equation giving a representative cell size, later resulting in the Grid Convergence Index. I have read in the manual and forums and have not found a way to do this in either Mesh or FLUENT; I have only been able to find the characteristic length. Any help would be appreciated. Thanks in advance. |
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February 19, 2022, 07:44 |
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#2 |
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Void_CFD-user
Join Date: Feb 2022
Posts: 67
Rep Power: 4 |
In Fluent, under General>Check Mesh it'll give you some face area and volume stats for mesh. You can check mesh metrics in ANSYS meshing but I don't remember how to get mesh area stats.
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March 11, 2022, 05:29 |
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#3 |
Senior Member
Alain Islas
Join Date: Nov 2019
Location: Mexico
Posts: 142
Rep Power: 7 |
I'd simply take L = (avg. cell volume)^1/3
I believe Fluent does not give you that much mesh statistics info ... Perhaps take it it to Fluent Meshing, Otherwise, you can take it to ICEM which I'm 100% sure that gives you these statistics. |
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Tags |
aerofoil, cell size, fluent, grid convergence index, meshing |
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