Mesh morphing optimization in CFX?

Mobz · October 22, 2013, 08:40

I just fundt this PDF which describes pretty much what Im looking for.

http://www.ansys.com/staticassets/AN...mization-8.pdf

I have a pipe and I want the velocity profile at the outlet to be even by changing the shape of the pipe.

Anyone know if this mesh morphing optimization can be done in CFX?

Lance · October 22, 2013, 09:19

I've seen some examples of this shape optimizing stuff, but only in Fluent. In Fluent you also have the adjoint solver, which seems pretty cool. But CFX? Nope, havent seen anything like that. You could of course do a parametric study in workbench, but thats not really the same thing.

S_teph_2000 · January 19, 2014, 20:27

Hello,

Is there a way to mimic Fluent Adjoint solver with CFX mesh deformation, CEL, and a Pressure Gradient approach

ghorrocks · January 19, 2014, 22:47

I will be brave by stating that if there was an easy way to give CFX the same functionality it would already be implemented. The fact it is not available suggests to me that it is not easy, or at least not robust.

brunoc · January 20, 2014, 13:15

No, there isn't. The adjoint solver uses a modified set of equations whose primary variables are no longer the velocity vector and pressure as given by NS and continuity, so implementing those from CEL Expressions and user variables is not possible.

October 22, 2013, 08:40	Mesh morphing optimization in CFX?	#1
Mobz New Member Mads Join Date: Feb 2013 Posts: 4 Rep Power: 13	I just fundt this PDF which describes pretty much what Im looking for. http://www.ansys.com/staticassets/AN...mization-8.pdf I have a pipe and I want the velocity profile at the outlet to be even by changing the shape of the pipe. Anyone know if this mesh morphing optimization can be done in CFX?

January 19, 2014, 20:27	Mimic Fluent mesh optimization with CFX ?	#3
S_teph_2000 Member Ndong-Mefane Stephane Boris Join Date: Nov 2013 Location: Kawasaki (JAPAN) Posts: 53 Rep Power: 12	Hello, Is there a way to mimic Fluent Adjoint solver with CFX mesh deformation, CEL, and a Pressure Gradient approach

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October 22, 2013, 09:19		#2
Lance Senior Member Lance Join Date: Mar 2009 Posts: 669 Rep Power: 22	I've seen some examples of this shape optimizing stuff, but only in Fluent. In Fluent you also have the adjoint solver, which seems pretty cool. But CFX? Nope, havent seen anything like that. You could of course do a parametric study in workbench, but thats not really the same thing.

January 19, 2014, 22:47		#4
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	I will be brave by stating that if there was an easy way to give CFX the same functionality it would already be implemented. The fact it is not available suggests to me that it is not easy, or at least not robust.

January 20, 2014, 13:15		#5
brunoc Senior Member Bruno Join Date: Mar 2009 Location: Brazil Posts: 277 Rep Power: 21	No, there isn't. The adjoint solver uses a modified set of equations whose primary variables are no longer the velocity vector and pressure as given by NS and continuity, so implementing those from CEL Expressions and user variables is not possible.