UDM (user-defined memory) boundary condition?

tstorm · October 1, 2010, 17:02

I've written a k-w-v2-f turbulence model, where epsilon is stored as a user-defined memory term. I need to set the boundary condition for epsilon at an inlet.

Does anyone know how to set a boundary condition for user-defined memory terms?

coglione · October 4, 2010, 05:03

F_UDMI(f,t,i) can be used to set the value for any UDM(i) at walls and flow-boundaries(e.g. inlet).

cheers

tstorm · October 4, 2010, 11:56

I don't see how that would work - you'd need to know the cell numbers ahead of time. Can you give me an example of how to do that?

October 1, 2010, 17:02	UDM (user-defined memory) boundary condition?	#1
tstorm Member Join Date: Apr 2009 Posts: 78 Rep Power: 17	I've written a k-w-v2-f turbulence model, where epsilon is stored as a user-defined memory term. I need to set the boundary condition for epsilon at an inlet. Does anyone know how to set a boundary condition for user-defined memory terms?

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October 4, 2010, 05:03		#2
coglione Senior Member Max Join Date: Mar 2009 Posts: 133 Rep Power: 17	F_UDMI(f,t,i) can be used to set the value for any UDM(i) at walls and flow-boundaries(e.g. inlet). cheers

October 4, 2010, 11:56		#3
tstorm Member Join Date: Apr 2009 Posts: 78 Rep Power: 17	I don't see how that would work - you'd need to know the cell numbers ahead of time. Can you give me an example of how to do that?