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Forum: OpenFOAM Running, Solving & CFD

August 12, 2013, 06:54

Replies: 18

Pressure BC´s simpleFoam

Views: 3,624

Posted By Tensian

Hi Vishal, Then it looks like the problems...

Hi Vishal,

Then it looks like the problems are the complex geometry and maybe the mesh, because I am trying to do this in a complex channel and simulation explodes! I have tried an advise given in...

Forum: OpenFOAM Running, Solving & CFD

August 8, 2013, 05:25

Replies: 18

Pressure BC´s simpleFoam

Views: 3,624

Posted By Tensian

Thanks Vishal, As I expected, we have the...

Thanks Vishal,

As I expected, we have the same kind of BC´s. The only difference is that I use some nonOrthogonalCorrectors because I have a tetraedral+prism mesh. I´ll continue researching and if...

Forum: OpenFOAM Running, Solving & CFD

August 7, 2013, 05:01

Replies: 18

Pressure BC´s simpleFoam

Views: 3,624

Posted By Tensian

Hi Vishal, Yes please, let me see the files...

Hi Vishal,

Yes please, let me see the files so I can compare. I am triying to use fixedGradient, pressureInletVelocity, totalPressure...but nothing give me good results, the simulation gives very...

Forum: OpenFOAM Running, Solving & CFD

August 6, 2013, 11:33

Replies: 18

Pressure BC´s simpleFoam

Views: 3,624

Posted By Tensian

Now I am reading slowly what JP has said. I think...

Now I am reading slowly what JP has said. I think his suggestion is suitable if you want to calculate pressure gradient, but this is not my case. The pressure at inlet and outlet is known and fixed!...

Forum: OpenFOAM Running, Solving & CFD

August 6, 2013, 11:31

Replies: 18

Pressure BC´s simpleFoam

Views: 3,624

Posted By Tensian

Hi Juan Pablo, Thanks for the suggestion, I...

Hi Juan Pablo,

Thanks for the suggestion, I will review this tutorial. I need to fix pressure gradient between inlet and outlet, because velocity is not known (and I am interested for example in...

Forum: OpenFOAM Running, Solving & CFD

August 6, 2013, 11:07

Replies: 18

Pressure BC´s simpleFoam

Views: 3,624

Posted By Tensian

Thanks for the reply, I am trying new bc´s...

Thanks for the reply,

I am trying new bc´s that involves totalPressure, but nothing seems to run. I got converged results, but without physical meaning.

I will let you know if I find a...

Forum: OpenFOAM Running, Solving & CFD

August 5, 2013, 13:32

Replies: 18

Pressure BC´s simpleFoam

Views: 3,624

Posted By Tensian

Pressure BC´s simpleFoam

Hi everyone,

Anyone knows how to modelate a pressure driven flow in a channel with simpleFoam solver? When I try to specify fixedValue at inlet and outlet( for p) and zeroGradient in the same...

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