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Average values on Boundary Conditions

Posted July 17, 2017 at 04:42 by kindle

Great example of profit from the Openfoam

Originally Posted by bigphil View Post

patchIntegrate and patchAverage only operate on volScalarFields, so if you decompose your velocity field into its components first using foamCalc, i.e.
foamCalc components U
Then you can run patchAverage on each component:
patchAverage Ux myInlet
You can also use foamCalc to do other things like calculate the magnitude of a volVectorField:
foamCalc mag U
If you
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relations between master and slave boundary condtions

Posted July 7, 2017 at 03:16 by kindle

Mapped boudnary condition?

Originally Posted by wyldckat View Post
Hi Vimal,

Of course! The mapped BC, I wasn't remembering it. One such tutorial is "incompressible/pisoFoam/les/pitzDailyMapped".
And as of OpenFOAM 2.2, you can find more details about boundary conditions and function objects here:

What you're looking for is in the section Coupled boundary Conditions

The general idea is that:
  1. You define
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Posted in programming
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Installation of OpenFOAM 2.3.0 / 2.3.x on RHEL 5.8 without root permissions

Posted July 7, 2017 at 03:08 by kindle
Updated July 10, 2017 at 03:55 by kindle (add the right way to check the interior mesh)

Take a look at the paraview setting.

Here is a page saying that to check the mesh inside a geometry ( The right thing to do is not the clip nor the slice. But
1. load the case unchecking polyhedral decomposition
2. filter : Extract Cells by Region

Originally Posted by niX1337 View Post
Hello Bruno,

my bad, I have no idea why it did not work for OF 2.3.1 ... but it worked perfectly with OF 2.3.x. That's why I guess I made a mistake
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Posted in Post-processing
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Function component in field

Posted June 9, 2017 at 04:10 by kindle
Updated June 9, 2017 at 12:05 by kindle

On the explaination of laplacianFoam
This is extracted from the blog

volVectorField gradT(fvc::grad(T));//创建gradT场,其值为fvc::grad(T),即为T显性离散的值          
volScalarField gradTx        
(             IOobject             
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Posted in programming
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Reology with Fortran program available

Posted June 7, 2017 at 12:11 by kindle

This phd on Reology may be interesting.
Code :

Here he talked about memory function and a big memory footprint which will need special treatment in programming.

Originally Posted by JonW View Post
Hi there again,
I see what you mean. I am pretty sure that this is not in OF. You have to program it your self

I just send you the paper you asked, and it might be a use after all, for your problem.
If you look at Eq. (8) in the paper (see also eq
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Posted in Viscoelastic
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