Error: Parameter Bounded CDS is not allowed

ghoshi1983 · January 16, 2012, 10:49

Hi Everybody,
I have problem regarding Central Difference Scheme. Somehow cfx 13.0 gives me the following error irrespective of the fact that i enable this "bounded CDS" (Under solver control/Basic Settings/ Advection Scheme) or not.

Error: Parameter 'Bounded CDS' is not allowed in /FLOW:Flow Analysis 1/SOLVER CONTROL/ADVECTION SCHEME

Actually i want to do LES simulation of fan. I have found out that in order to do some les simulations its recommended to use Central Differencing but somehow its not working for me. Do i need to enable something in expert parameters in order this to work? Any help/comments will be really appreciated. Thanks in advance!!!

Regards,
Atif

ghorrocks · January 16, 2012, 17:22

What turbulence model have you selected?

ghoshi1983 · January 17, 2012, 04:36

LES Smagorinsky

ghoshi1983 · January 19, 2012, 11:15

It seems no body has a clue!!!

ghoshi1983 · January 20, 2012, 10:25

I have figured it out.

ghorrocks · January 22, 2012, 07:24

Can you explain what you did to make it work.

ghoshi1983 · January 23, 2012, 06:30

Actually i was running my simulations on cluster and i needed a batch script to run my job. There i was using version 12.1 whereas i was using 13.0 while writing def. file. Since there seems to be no Bounded CDS option in 12.1 thats why it was giving me the above mentioned error.

January 16, 2012, 10:49	Error: Parameter Bounded CDS is not allowed	#1
ghoshi1983 New Member Join Date: Jun 2009 Posts: 21 Rep Power: 17	Hi Everybody, I have problem regarding Central Difference Scheme. Somehow cfx 13.0 gives me the following error irrespective of the fact that i enable this "bounded CDS" (Under solver control/Basic Settings/ Advection Scheme) or not. Error: Parameter 'Bounded CDS' is not allowed in /FLOW:Flow Analysis 1/SOLVER CONTROL/ADVECTION SCHEME Actually i want to do LES simulation of fan. I have found out that in order to do some les simulations its recommended to use Central Differencing but somehow its not working for me. Do i need to enable something in expert parameters in order this to work? Any help/comments will be really appreciated. Thanks in advance!!! Regards, Atif Last edited by ghoshi1983; January 16, 2012 at 11:09. Reason: forgot

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January 16, 2012, 17:22		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,872 Rep Power: 144	What turbulence model have you selected?

January 17, 2012, 04:36		#3
ghoshi1983 New Member Join Date: Jun 2009 Posts: 21 Rep Power: 17	LES Smagorinsky

January 19, 2012, 11:15		#4
ghoshi1983 New Member Join Date: Jun 2009 Posts: 21 Rep Power: 17	It seems no body has a clue!!!

January 20, 2012, 10:25		#5
ghoshi1983 New Member Join Date: Jun 2009 Posts: 21 Rep Power: 17	I have figured it out.

January 22, 2012, 07:24		#6
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,872 Rep Power: 144	Can you explain what you did to make it work.

January 23, 2012, 06:30		#7
ghoshi1983 New Member Join Date: Jun 2009 Posts: 21 Rep Power: 17	Actually i was running my simulations on cluster and i needed a batch script to run my job. There i was using version 12.1 whereas i was using 13.0 while writing def. file. Since there seems to be no Bounded CDS option in 12.1 thats why it was giving me the above mentioned error.