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Forum: OpenFOAM Running, Solving & CFD

July 2, 2015, 06:24

Replies: 18

Behaviour of the kOmegaSST in a steady-state case

Views: 3,317

Posted By Max1234

Hi, with these ones it runs, thanks a lot!...

Hi,

with these ones it runs, thanks a lot! Done 22 timesteps till yet, because my regular computer isn't available. See residuals, I think convergence behaviour is ok. Thanks a lot, I will post...

Forum: OpenFOAM Running, Solving & CFD

July 2, 2015, 01:49

Replies: 18

Behaviour of the kOmegaSST in a steady-state case

Views: 3,317

Posted By Max1234

Hi, I think the main BC's should be correct. ...

Hi,
I think the main BC's should be correct.

Inlet
U fixedValue (60,0,0)
p zeroGradient
omega fixedValue
k zeroGradient
nut ...

Forum: OpenFOAM Running, Solving & CFD

June 29, 2015, 08:42

Replies: 18

Behaviour of the kOmegaSST in a steady-state case

Views: 3,317

Posted By Max1234

Hi Tobi, I have set a relaxation for omega from...

Hi Tobi,
I have set a relaxation for omega from the start. As rodriguezFatz said, it's a problem with the simple algorithm. Using pimplefoam there is no problem at all, but I'd really like to use...

Forum: OpenFOAM Running, Solving & CFD

June 29, 2015, 07:02

Replies: 18

Behaviour of the kOmegaSST in a steady-state case

Views: 3,317

Posted By Max1234

Hi, Thanks for the good ideas. I startet a...

Hi,

Thanks for the good ideas. I startet a simulation using the recommended changes at the fvSolution last Friday. I also changed the speed to an inlet velocity of 60m/s. But the simulation...

Forum: OpenFOAM Running, Solving & CFD

June 24, 2015, 02:42

Replies: 18

Behaviour of the kOmegaSST in a steady-state case

Views: 3,317

Posted By Max1234

Hi, additionally I started a transient case...

Hi,
additionally I started a transient case this morning using the pimpleFoam solver and kEpsilon. Maybe the local turbulence is too high to solve this case as global steady-state.
Max

Forum: OpenFOAM Running, Solving & CFD

June 23, 2015, 13:25

Replies: 18

Behaviour of the kOmegaSST in a steady-state case

Views: 3,317

Posted By Max1234

Hi, here are the files. Firstly the output...

Hi,

here are the files. Firstly the output of checkMesh

Next the fvSolution

Forum: OpenFOAM Running, Solving & CFD

June 23, 2015, 06:53

Replies: 18

Behaviour of the kOmegaSST in a steady-state case

Views: 3,317

Posted By Max1234

Behaviour of the kOmegaSST in a steady-state case

Hi everybody,

I have a problem with the convergence behavior of my simulation. It is a external and internal aerodynamic simulation of a reference car in a wind tunnel. It is steady state and...

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