Reference to previous iteration number

tomson199 · December 17, 2014, 06:53

Hi everyone,

I'm writing to you with specific problem. I try to use velocity from previous iteration number and utilize that in current iteration as variable in function of boundary condition. Could you tell me is it possible? I did attempt with areaAve(Velocity(citern-1)@Outlet_2 but it doesn't work? Is it possible to stationary simulation? Any idea?

ghorrocks · December 17, 2014, 18:28

This is a very common request and CFX does not support it well. This thread describes a method you can use for transient simulations: http://www.cfd-online.com/Forums/cfx...pressions.html

I am not sure if it works for steady state, give it a go and find out.

December 17, 2014, 06:53	Reference to previous iteration number	#1
tomson199 Member Thomas Join Date: Dec 2014 Location: Poland Posts: 49 Rep Power: 11	Hi everyone, I'm writing to you with specific problem. I try to use velocity from previous iteration number and utilize that in current iteration as variable in function of boundary condition. Could you tell me is it possible? I did attempt with areaAve(Velocity(citern-1)@Outlet_2 but it doesn't work? Is it possible to stationary simulation? Any idea?

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December 17, 2014, 18:28		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	This is a very common request and CFX does not support it well. This thread describes a method you can use for transient simulations: http://www.cfd-online.com/Forums/cfx...pressions.html I am not sure if it works for steady state, give it a go and find out.