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Difficulty in setting setFields

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Old   October 27, 2023, 00:27
Default Difficulty in setting setFields
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Rasheed
Join Date: Oct 2023
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zubba02 is on a distinguished road
Hi,

I have been struggling to set the alpha.water field using boxToCell. I have tried to follow the suggestons in Trying to understand: What is the "boxToCell"? as well as the dambreak tutorial. However I have not succeeded after several attempts.

My blockMeshDict is as follows :

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.7.1 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

scale 1;

vertices
(
(0.0 -0.02 0.0) // 0
(5.0 -0.02 0.0) // 1
(5.0 -0.02 0.7) // 2
(0.0 -0.02 0.7) // 3

(0.0 0.0 0.0) // 4
(5.0 0.0 0.0) // 5
(5.0 0.0 0.7) // 6
(0.0 0.0 0.7) // 7

(10.0 -0.02 0.4) // 8
(10.0 -0.02 0.7) // 9
(10.0 0.0 0.4) // 10
(10.0 0.0 0.7) // 11

);

blocks
(
hex (0 1 5 4 3 2 6 7) (20 1 20) simpleGrading (1 1 1)
hex (1 8 10 5 2 9 11 6) (20 1 20) simpleGrading (1 1 1)
);

edges
(
);


patches
(
patch inlet
(
(0 4 7 3)
)
patch outlet
(
(8 10 11 9)
)
wall bottom
(
(0 1 5 4)
(1 8 10 5)
)
patch atmosphere
(
(3 2 6 7)
(2 9 11 6)

)
empty frontAndBack
(
(0 1 2 3)
(4 5 6 7)
(1 8 9 2)
(5 10 11 6)
)
);


mergePatchPairs
(
);


// ************************************************** *********************** //


and the setFieldsDict is as follows :

/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.3 |
| \\ / A nd | Web: http://www.openfoam.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object setFieldsDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

defaultFieldValues
(
volScalarFieldValue alpha.water 0
);

regions
(
boxToCell
{
box (-1 -1 -1) (6 1 0.5);

fieldValues
(
volScalarFieldValue alpha.water 1
);
}
);


would it be possible to make suggestions as to select the rectangular prism to set the water field ?
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