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Forum: OpenFOAM Pre-Processing

February 11, 2013, 10:01

Replies: 6

Dynamic bc

Views: 1,240

Posted By andreas

Thank you for your quick response, I did a...

Thank you for your quick response,

I did a patch for the outlet, inlet and walls. I can impose a value (let's say pressure or velocity), but don't know how to extract information (let's say phase...

Forum: OpenFOAM Pre-Processing

February 10, 2013, 12:11

Replies: 6

Dynamic bc

Views: 1,240

Posted By andreas

The boundary conditions would be like this: ...

The boundary conditions would be like this:

type groovyBC;
valueExpression "x1*100000 + x2*88229";
variables "x1 = 1-alpha1; x2 = alpha1";
value uniform 88229;
...

Forum: OpenFOAM Pre-Processing

February 10, 2013, 10:25

Replies: 6

Dynamic bc

Views: 1,240

Posted By andreas

Thank you for your reply, x1 and x2 are the...

Thank you for your reply,

x1 and x2 are the volume fraction of both phases on the boundary patch.
Here is an image of the simulation for a better understanding.

The pressure on the inlet is...

Forum: OpenFOAM Pre-Processing

February 9, 2013, 12:33

Replies: 6

Dynamic bc

Views: 1,240

Posted By andreas

Dynamic bc

Dear foamers,

I am quite a beginner in OF and CFD, that's why I need your help :-)

My problem is as follow:
I have a multiphase flow. And I want to impose the pressure on a plane depending on...

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