Boundary conditions for simulation an airfoil 2d in rhoCentralFoam

MauricioReis · February 9, 2015, 09:26

Hello, I am trying to simulate a flow over an airfoil using rhoCentralFoam, I'm using the conditions of pressure and speed of the airfoil2D example, but did not find information about conditions for temperature if freestream. Could anyone help?

hk318i · March 1, 2015, 09:22

Based on my experience with this solver, you can use freeStream BC with all boundaries except for the wall and pressure. There is freeStream pressure condition which you don't have to specify the freeStream value, it will be calculated. However the waveTransmissive BC for pressure is more stable.
Also note that there was a bug is rhoCentralFoam and it was fixed few days ago.

MauricioReis · March 6, 2015, 10:12

Thanks for the information.

February 9, 2015, 09:26	Boundary conditions for simulation an airfoil 2d in rhoCentralFoam	#1
MauricioReis New Member Maurício Guilherme Alves dos Reis Join Date: Feb 2015 Posts: 10 Rep Power: 12	Hello, I am trying to simulate a flow over an airfoil using rhoCentralFoam, I'm using the conditions of pressure and speed of the airfoil2D example, but did not find information about conditions for temperature if freestream. Could anyone help?

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March 1, 2015, 09:22		#2
hk318i Senior Member Hassan Kassem Join Date: May 2010 Location: Germany Posts: 242 Rep Power: 19	Based on my experience with this solver, you can use freeStream BC with all boundaries except for the wall and pressure. There is freeStream pressure condition which you don't have to specify the freeStream value, it will be calculated. However the waveTransmissive BC for pressure is more stable. Also note that there was a bug is rhoCentralFoam and it was fixed few days ago.

March 6, 2015, 10:12		#3
MauricioReis New Member Maurício Guilherme Alves dos Reis Join Date: Feb 2015 Posts: 10 Rep Power: 12	Thanks for the information.