SimpleFoam case with SpalartAllmaras turbulence model implemented

nedved · November 18, 2008, 12:20

Hello people.

I have carried out 2D simulations using simpleFoam and turbFoam for a laminar airfoil. I used the k-epsilon turbulence model because it was the default turbulence model.

I want to switch to the SpalartAllmaras turbulence model. I have searched the tutorials folder for v1.5 and all the solvers use the k-epsilon model. I have searched the forums and have not found a simpleFoam case with SpalartAllmaras model.

Would someone please upload a 2D converged simpleFoam case which has the SpalartAllmaras turbulence model implemented. I want to study how the fvScheme and fvSolution files are set up and how they differ from my k-epsilon case.

Nedved.

villet · November 18, 2008, 15:49

Hi Naveed,

sorry but I didn't fully understand what's your problem? Can't you just go to your case and replace RASModel to "SpalartAllmaras"?

If you don't start run from the scratch, make sure you have "nuTilda" file in the latest time directory. I haven't myself used SA model but noticed fvScheme and fvSolution files have settings for SA model. If you get errors, usually you just need to add stuff according to error message.

tareqkh · November 30, 2014, 22:43

Hi Nedved,

I am currently working on the same example, which comes with the openFoam 2.3.2. The airfoil example in the addition that I am using already comes with Spalart Allmaras. However, I would be greatly thankful if provide your example since I am trying to implement and switch to k-epsilon model.

Regards,

November 18, 2008, 12:20	Hello people. I have carri	#1
nedved New Member Naveed Akram Join Date: Mar 2009 Posts: 3 Rep Power: 17	Hello people. I have carried out 2D simulations using simpleFoam and turbFoam for a laminar airfoil. I used the k-epsilon turbulence model because it was the default turbulence model. I want to switch to the SpalartAllmaras turbulence model. I have searched the tutorials folder for v1.5 and all the solvers use the k-epsilon model. I have searched the forums and have not found a simpleFoam case with SpalartAllmaras model. Would someone please upload a 2D converged simpleFoam case which has the SpalartAllmaras turbulence model implemented. I want to study how the fvScheme and fvSolution files are set up and how they differ from my k-epsilon case. Nedved.

November 18, 2008, 15:49	Hi Naveed, sorry but I didn	#2
villet Member Ville Tossavainen Join Date: Mar 2009 Posts: 60 Rep Power: 17	Hi Naveed, sorry but I didn't fully understand what's your problem? Can't you just go to your case and replace RASModel to "SpalartAllmaras"? If you don't start run from the scratch, make sure you have "nuTilda" file in the latest time directory. I haven't myself used SA model but noticed fvScheme and fvSolution files have settings for SA model. If you get errors, usually you just need to add stuff according to error message.

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November 30, 2014, 22:43		#3
tareqkh Senior Member CFD Join Date: Nov 2010 Location: United States Posts: 243 Rep Power: 16	Hi Nedved, I am currently working on the same example, which comes with the openFoam 2.3.2. The airfoil example in the addition that I am using already comes with Spalart Allmaras. However, I would be greatly thankful if provide your example since I am trying to implement and switch to k-epsilon model. Regards,