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Forum: OpenFOAM Running, Solving & CFD

April 29, 2014, 12:37

Replies: 13

Volume flow rate boundary condition in OpenFOAM

Views: 16,541

Posted By mayank.dce2k7

Hi, You can use codedFixedValue boundary...

Hi,

You can use codedFixedValue boundary condition or swak4Foam to give any expression or perform calculation based on time and space coordinates. Search codedFixedValue in the forum to look for...

Forum: OpenFOAM Running, Solving & CFD

July 8, 2013, 11:47

Replies: 13

Volume flow rate boundary condition in OpenFOAM

Views: 16,541

Posted By mayank.dce2k7

I am trying to make my 0/U file as compact as...

I am trying to make my 0/U file as compact as possible. A new version is below:

0/U

/*--------------------------------*- C++ -*----------------------------------*\
| ========= ...

Forum: OpenFOAM Running, Solving & CFD

July 6, 2013, 22:47

Replies: 13

Volume flow rate boundary condition in OpenFOAM

Views: 16,541

Posted By mayank.dce2k7

Hi Daniel, First of all, thanks for your...

Hi Daniel,

First of all, thanks for your replies.

Yes, I can do it just by placing values. But my real aim is to perform transient simulation in which inlet flow field depends both on time and...

Forum: OpenFOAM Running, Solving & CFD

July 6, 2013, 03:07

Replies: 13

Volume flow rate boundary condition in OpenFOAM

Views: 16,541

Posted By mayank.dce2k7

So I went ahead and changed the syntax and got a...

So I went ahead and changed the syntax and got a converged steady state solution. But I am not getting satisfactory results.

now my 0/U file looks like below but rest of the files remain same as...

Forum: OpenFOAM Running, Solving & CFD

July 6, 2013, 00:46

Replies: 13

Volume flow rate boundary condition in OpenFOAM

Views: 16,541

Posted By mayank.dce2k7

ok, solved one problem the syntax in current...

ok, solved one problem the syntax in current version with swak4Foam has changed to <variable name> {<patch name>}=<expression> rather than <variable name>@<patch name>=<expression>

Forum: OpenFOAM Running, Solving & CFD

July 5, 2013, 17:35

Replies: 13

Volume flow rate boundary condition in OpenFOAM

Views: 16,541

Posted By mayank.dce2k7

So I guess I need to provide more details on my...

So I guess I need to provide more details on my case so that people can help.

Below are my case file and also I have attached an image of the geometry. But this time I am trying a steady steady...

Forum: OpenFOAM Running, Solving & CFD

July 4, 2013, 15:44

Replies: 13

Volume flow rate boundary condition in OpenFOAM

Views: 16,541

Posted By mayank.dce2k7

Volume flow rate boundary condition in OpenFOAM

Hi,

I am new to OpenFOAM and I facing problems in setting volume flow rate boundary conditions that varies with time.

I am doing a transient simulation on a single bifurcating tube. The inlet...

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