[ANSYS Meshing] Meshing a periodic mesh

abhiherculez · April 15, 2012, 04:13

Hello
I am currently trying to find out the drag coefficient of a mesh. The mesh has to be infinite with no end effects. I need help with meshing such that a periodic boundary condition can be applied. I modelled this by creating fluid as a rectangle and putting in the mesh at the centre. I used mapped face meshing and scaled every edge but when i import it into fluent and try to apply the periodic boundary condition, it gives me an error saying not all faces match. I believe I'm doing something wrong with the meshing but I don't know what. Please do let me know what can be done to resolve this problem.

Thank You

PSYMN · April 16, 2012, 10:26

You need to use mesh matching in ANSYS Meshing.

Search the help for "match" or "matching" and you should find what you are looking for.

abhiherculez · April 16, 2012, 11:21

Got it. Able to use the periodic boundary condition. Thank You very much.

April 15, 2012, 04:13	Meshing a periodic mesh	#1
abhiherculez New Member Abhishek Join Date: Apr 2012 Posts: 2 Rep Power: 0	Hello I am currently trying to find out the drag coefficient of a mesh. The mesh has to be infinite with no end effects. I need help with meshing such that a periodic boundary condition can be applied. I modelled this by creating fluid as a rectangle and putting in the mesh at the centre. I used mapped face meshing and scaled every edge but when i import it into fluent and try to apply the periodic boundary condition, it gives me an error saying not all faces match. I believe I'm doing something wrong with the meshing but I don't know what. Please do let me know what can be done to resolve this problem. Thank You

April 16, 2012, 10:26		#2
PSYMN Senior Member Simon Pereira Join Date: Mar 2009 Location: Ann Arbor, MI Posts: 2,663 Blog Entries: 1 Rep Power: 47	You need to use mesh matching in ANSYS Meshing. Search the help for "match" or "matching" and you should find what you are looking for. __________________ ----------------------------------------- Please help guide development at ANSYS by filling in these surveys Public ANSYS ICEM CFD Users Survey This second one is more general (Gambit, TGrid and ANSYS Meshing users welcome)... CFD Online Users Survey

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April 16, 2012, 11:21		#3
abhiherculez New Member Abhishek Join Date: Apr 2012 Posts: 2 Rep Power: 0	Got it. Able to use the periodic boundary condition. Thank You very much.