BC for wedge patch

som · October 27, 2011, 14:30

Hello

I've got som axisymmetry problem. I generated some meshed wedge about 20deg and put all staff into polyMesh directory. My question is what i should have for wedge patches in 0/T 0/p etc files ?

nimasam · October 30, 2011, 02:16

you should put wedge in 0/p or 0/T

som · October 30, 2011, 04:42

Quote:

Originally Posted by nimasam

you should put wedge in 0/p or 0/T

thank you very much, thats correct

anon_a · November 1, 2011, 04:30

According to 5.2.2 of OF user guide
http://www.openfoam.com/docs/user/bo...#x24-1370005.2
the wedge is only one cell thick and I think it is supposed to have a small angle (<5°).
Maybe your results will improve with this change.

som · November 1, 2011, 06:13

Quote:

Originally Posted by anon_a

According to 5.2.2 of OF user guide
http://www.openfoam.com/docs/user/bo...#x24-1370005.2
the wedge is only one cell thick and I think it is supposed to have a small angle (<5°).
Maybe your results will improve with this change.

I read somewhere on this forum that 5deg is recommendation but not necessity. As for 1cell thick I'm not sure. Now I'm playing with several cell thikness results are poor but i'm not sure this is becuse of that.

October 27, 2011, 14:30	BC for wedge patch	#1
som New Member Serge Shlump Join Date: Oct 2011 Posts: 24 Rep Power: 14	Hello I've got som axisymmetry problem. I generated some meshed wedge about 20deg and put all staff into polyMesh directory. My question is what i should have for wedge patches in 0/T 0/p etc files ?

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October 30, 2011, 02:16		#2
nimasam Senior Member Nima Samkhaniani Join Date: Sep 2009 Location: Tehran, Iran Posts: 1,266 Blog Entries: 1 Rep Power: 24	you should put wedge in 0/p or 0/T

November 1, 2011, 04:30		#4
anon_a Disabled Join Date: Mar 2011 Posts: 174 Rep Power: 15	According to 5.2.2 of OF user guide http://www.openfoam.com/docs/user/bo...#x24-1370005.2 the wedge is only one cell thick and I think it is supposed to have a small angle (<5°). Maybe your results will improve with this change.