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Forum: OpenFOAM Running, Solving & CFD

January 16, 2014, 04:13

Replies: 100

buoyantSimpleFoam and watertank

Views: 20,494

Posted By BernhardS

Thanks for all your efforts, I also think that...

Thanks for all your efforts, I also think that the thermophysical model is the problem. If I set the second coefficient for rho to zero the case is working...

Forum: OpenFOAM Running, Solving & CFD

January 15, 2014, 11:32

Replies: 100

buoyantSimpleFoam and watertank

Views: 20,494

Posted By BernhardS

I am able to run that case if I change the BCs...

I am able to run that case if I change the BCs for p_rgh for bottom and wall to buoyantPressure and the one for top to fixedValue. Additionally I use funkySetField to initialize p. I have to use a...

Forum: OpenFOAM Running, Solving & CFD

January 14, 2014, 15:28

Replies: 100

buoyantSimpleFoam and watertank

Views: 20,494

Posted By BernhardS

Unfortunately I do not get beyond 0.07 seconds...

Unfortunately I do not get beyond 0.07 seconds before the pressure blows up. If have attached the new version with the modified Allrun script. Switching off the turbulence does not make any...

Forum: OpenFOAM Running, Solving & CFD

January 14, 2014, 14:49

Replies: 100

buoyantSimpleFoam and watertank

Views: 20,494

Posted By BernhardS

Thanks for the hint, I actually thought that I...

Thanks for the hint, I actually thought that I have checked the mesh but I found a little mistake in the blockMeshDict, the z-points for all the arcs were wrong. After the change the mesh passed...

Forum: OpenFOAM Running, Solving & CFD

January 14, 2014, 07:12

Replies: 100

buoyantSimpleFoam and watertank

Views: 20,494

Posted By BernhardS

Hi Tobi, thats my ControlDict libs ( ...

Hi Tobi,

thats my ControlDict

libs (
"libOpenFOAM.so"
"libcompressibleRASModels.so"
"libgroovyBC.so"
);

Forum: OpenFOAM Running, Solving & CFD

January 13, 2014, 07:52

Replies: 100

buoyantSimpleFoam and watertank

Views: 20,494

Posted By BernhardS

It is a buoyancy-driven case, the geometry is a...

It is a buoyancy-driven case, the geometry is a cylinder as wedge with upper, lower and outer wall. There is no inlet or outlet. I use setFields and funkySetFields to initialize a temperature profile...

Forum: OpenFOAM Running, Solving & CFD

January 10, 2014, 08:32

Replies: 100

buoyantSimpleFoam and watertank

Views: 20,494

Posted By BernhardS

Hi Tobi, I have a similar application and...

Hi Tobi,

I have a similar application and want to study the degradation of the stratification in the storage tank. I have initialized a temperature profile and want to see how the heat loss and...

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