[CFD_scientist]

I've set up a simulation to observe water waves propagating over a sharp cavity in an otherwise flat tank bottom.

However, the waves do not seem to propagate into the tank.

My BlockMesh:

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v2312 |
| \\ / A nd | Website: www.openfoam.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

scale 1;

vertices
(
( 0.0 0.0 0.1)
( 4.0 0.0 0.1)
( 4.0 0.04 0.1)
( 0.0 0.04 0.1)
( 0.0 0.0 0.7)
( 4.0 0.0 0.7)
( 4.0 0.04 0.7)
( 0.0 0.04 0.7)

( 4.0 0.0 0.0)
( 6.0 0.0 0.0)
( 6.0 0.04 0.0)
( 4.0 0.04 0.0)
( 4.0 0.0 0.7)
( 6.0 0.0 0.7)
( 6.0 0.04 0.7)
( 4.0 0.04 0.7)

( 6.0 0.0 0.1)
( 10.0 0.0 0.1)
( 10.0 0.04 0.1)
( 6.0 0.04 0.1)
( 6.0 0.0 0.7)
( 10.0 0.0 0.7)
( 10.0 0.04 0.7)
( 6.0 0.04 0.7)
);

blocks
(
hex (0 1 2 3 4 5 6 7) (250 1 70) simpleGrading (1 1 1)
hex (8 9 10 11 12 13 14 15) (250 1 70) simpleGrading (1 1 1)
hex (16 17 18 19 20 21 22 23) (250 1 70) simpleGrading (1 1 1)

);

edges
(
);

boundary
(
inlet
{
type patch;
faces
(
(0 4 7 3)
);
}
outlet
{
type patch;
faces
(
(1 5 6 2)
);
}
ground
{
type wall;
faces
(
(0 1 2 3)
);
}
top
{
type patch;
faces
(
(4 5 6 7)
);
}
sides
{
type empty;
faces
(
(0 1 5 4)
(3 2 6 7)
);
}
);

mergePatchPairs
(
);


My setFields:

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v2312 |
| \\ / A nd | Website: www.openfoam.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object setFieldsDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

defaultFieldValues
(
volScalarFieldValue alpha.water 0
);

regions
(
boxToCell
{
box (0 0 0) (10.0 1.0 0.2);
fieldValues
(
volScalarFieldValue alpha.water 1
);
}


);


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

I do not have any error messages, as the simulation actually works. But the waves do not propagate. Any ideas?