[ICEM] What the control volume exactly is?

rikio · March 18, 2009, 08:39

Hi, all,
I am confused by the control volume.

The node generated in ICEM CFD is the node of control volume? If so, the control surfaces are invisible, right?
Thanks for any help.

Rikio

Adam S · March 20, 2009, 05:48

You mean the control volume which is created by the cfx-solver? This is different from the ICEM one.

rikio · March 20, 2009, 20:15

Really? I create a volume around a specified node in CFX-Post, there are eight meshes included. And the eight aligned well with the mesh lines.
Could you please show me the control volume in CFX-Solver? Thank you very much, Adam.

Adam S · March 23, 2009, 04:47

The volume you see in post is the same as in ICEM. But the solver generates its own control volume for calculation, see documentation.

rikio · March 24, 2009, 01:08

Thank you, Adam.

I think I am right after referring to documentation. Node is the center of the control volume, and control surfaces in solver are not mesh surfaces in ICEM. ^_^

March 18, 2009, 08:39	[ICEM] What the control volume exactly is?	#1
rikio Senior Member Rikio Join Date: Mar 2009 Location: SH, China Posts: 182 Blog Entries: 1 Rep Power: 17	Hi, all, I am confused by the control volume. The node generated in ICEM CFD is the node of control volume? If so, the control surfaces are invisible, right? Thanks for any help. Rikio

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March 20, 2009, 05:48		#2
Adam S New Member Join Date: Mar 2009 Location: Berlin Posts: 21 Rep Power: 17	You mean the control volume which is created by the cfx-solver? This is different from the ICEM one.

March 20, 2009, 20:15		#3
rikio Senior Member Rikio Join Date: Mar 2009 Location: SH, China Posts: 182 Blog Entries: 1 Rep Power: 17	Really? I create a volume around a specified node in CFX-Post, there are eight meshes included. And the eight aligned well with the mesh lines. Could you please show me the control volume in CFX-Solver? Thank you very much, Adam.

March 23, 2009, 04:47		#4
Adam S New Member Join Date: Mar 2009 Location: Berlin Posts: 21 Rep Power: 17	The volume you see in post is the same as in ICEM. But the solver generates its own control volume for calculation, see documentation.

March 24, 2009, 01:08		#5
rikio Senior Member Rikio Join Date: Mar 2009 Location: SH, China Posts: 182 Blog Entries: 1 Rep Power: 17	Thank you, Adam. I think I am right after referring to documentation. Node is the center of the control volume, and control surfaces in solver are not mesh surfaces in ICEM. ^_^