Added shallowWaterFoam solver and tutorial case.

applications/solvers/incompressible/shallowWaterFoam/CourantNo.H

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Global
+    CourantNo
+
+Description
+    Calculates and outputs the maximum Courant Number.
+
+\*---------------------------------------------------------------------------*/
+
+
+scalar CoNum = 0.0;
+scalar meanCoNum = 0.0;
+scalar waveCoNum = 0.0;
+
+if (mesh.nInternalFaces())
+{
+    surfaceScalarField SfUfbyDelta =
+        mesh.surfaceInterpolation::deltaCoeffs()
+       *mag(phi)/fvc::interpolate(h);
+
+    CoNum = max(SfUfbyDelta/mesh.magSf())
+        .value()*runTime.deltaT().value();
+
+    meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf()))
+        .value()*runTime.deltaT().value();
+
+    // Gravity wave Courant number
+    waveCoNum =
+        0.5*max
+        (
+            mesh.surfaceInterpolation::deltaCoeffs()
+           *sqrt(fvc::interpolate(h))
+        ).value()*sqrt(magg).value()*runTime.deltaT().value();
+}
+
+Info<< "Courant number mean: " << meanCoNum
+    << " max: " << CoNum << endl;
+
+Info<< "Gravity wave Courant number max: " << waveCoNum
+    << endl;
+
+
+// ************************************************************************* //

applications/solvers/incompressible/shallowWaterFoam/Make/files

+shallowWaterFoam.C
+
+EXE = $(FOAM_APPBIN)/shallowWaterFoam

applications/solvers/incompressible/shallowWaterFoam/Make/options

+EXE_INC = \
+    -I$(LIB_SRC)/finiteVolume/lnInclude
+
+EXE_LIBS = \
+    -lfiniteVolume

applications/solvers/incompressible/shallowWaterFoam/createFields.H

+Info<< "Reading field h\n" << endl;
+volScalarField h
+(
+    IOobject
+    (
+        "h",
+        runTime.timeName(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh
+);
+
+Info<< "Reading field h0 if present\n" << endl;
+volScalarField h0
+(
+    IOobject
+    (
+        "h0",
+        runTime.findInstance("polyMesh", "points"),
+        mesh,
+        IOobject::READ_IF_PRESENT
+    ),
+    mesh,
+    dimensionedScalar("h0", dimLength, 0.0)
+);
+
+Info<< "Reading field U\n" << endl;
+volVectorField U
+(
+    IOobject
+    (
+        "U",
+        runTime.timeName(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh
+);
+
+Info<< "Creating field hU\n" << endl;
+volVectorField hU
+(
+    IOobject
+    (
+        "hU",
+        runTime.timeName(),
+        mesh
+    ),
+    h*U,
+    U.boundaryField().types()
+);
+
+Info<< "Creating field hTotal for post processing\n" << endl;
+volScalarField hTotal
+(
+    IOobject
+    (
+        "hTotal",
+        runTime.timeName(),
+        mesh,
+        IOobject::READ_IF_PRESENT,
+        IOobject::AUTO_WRITE
+    ),
+    h+h0
+);
+hTotal.write();
+
+#   include "createPhi.H"
+
+Info<< "Creating Coriolis Force" << endl;
+const dimensionedVector F("F", ((2.0*Omega) & gHat)*gHat);

applications/solvers/incompressible/shallowWaterFoam/createPhi.H

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Global
+    createPhi
+
+Description
+    Creates and initialises the face-flux field phi.
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef createPhi_H
+#define createPhi_H
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+Info<< "Reading/calculating face flux field phi\n" << endl;
+
+surfaceScalarField phi
+(
+    IOobject
+    (
+        "phi",
+        runTime.timeName(),
+        mesh,
+        IOobject::READ_IF_PRESENT,
+        IOobject::AUTO_WRITE
+    ),
+    linearInterpolate(hU) & mesh.Sf()
+);
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //

applications/solvers/incompressible/shallowWaterFoam/readEnvironmentalProperties.H

+Info<< "\nReading environmentalProperties" << endl;
+
+IOdictionary environmentalProperties
+(
+    IOobject
+    (
+        "environmentalProperties",
+        runTime.constant(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::NO_WRITE
+    )
+);
+
+const dimensionedVector g(environmentalProperties.lookup("g"));
+const Switch rotating(environmentalProperties.lookup("rotating"));
+const dimensionedVector Omega =
+    rotating ? environmentalProperties.lookup("Omega")
+             : dimensionedVector("Omega", -dimTime, vector(0,0,0));
+const dimensionedScalar magg = mag(g);
+const dimensionedVector gHat = g/magg;

applications/solvers/incompressible/shallowWaterFoam/shallowWaterFoam.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM; if not, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Application
+    shallowWaterFoam
+
+Description
+    Transient solver for inviscid shallow-water equations with rotation.
+    If the geometry is 3D then it is assumed to be one layers of cells and the
+    component of the velocity normal to gravity is removed.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    #include "setRootCase.H"
+    #include "createTime.H"
+    #include "createMesh.H"
+    #include "readEnvironmentalProperties.H"
+    #include "createFields.H"
+
+    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    Info<< "\nStarting time loop\n" << endl;
+
+    while (runTime.run())
+    {
+        runTime++;
+
+        Info<< "\n Time = " << runTime.timeName() << nl << endl;
+
+        #include "readPISOControls.H"
+        #include "CourantNo.H"
+
+        for (int ucorr=0; ucorr<nOuterCorr; ucorr++)
+        {
+            surfaceScalarField phiv("phiv", phi/fvc::interpolate(h));
+
+            fvVectorMatrix hUEqn
+            (
+                fvm::ddt(hU)
+              + fvm::div(phiv, hU)
+            );
+
+            hUEqn.relax();
+
+            if (momentumPredictor)
+            {
+                if (rotating)
+                {
+                    solve(hUEqn + (F ^ hU) == -magg*h*fvc::grad(h + h0));
+                }
+                else
+                {
+                    solve(hUEqn == -magg*h*fvc::grad(h + h0));
+                }
+
+                // Constrain the momentum to be in the geometry if 3D geometry
+                if (mesh.nGeometricD() == 3)
+                {
+                    hU -= (gHat & hU)*gHat;
+                    hU.correctBoundaryConditions();
+                }
+            }
+
+            // --- PISO loop
+            for (int corr=0; corr<nCorr; corr++)
+            {
+                surfaceScalarField hf = fvc::interpolate(h);
+                volScalarField rUA = 1.0/hUEqn.A();
+                surfaceScalarField ghrUAf = magg*fvc::interpolate(h*rUA);
+
+                surfaceScalarField phih0 = ghrUAf*mesh.magSf()*fvc::snGrad(h0);
+
+                if (rotating)
+                {
+                    hU = rUA*(hUEqn.H() - (F ^ hU));
+                }
+                else
+                {
+                    hU = rUA*hUEqn.H();
+                }
+
+                phi = (fvc::interpolate(hU) & mesh.Sf())
+                    + fvc::ddtPhiCorr(rUA, h, hU, phi)
+                    - phih0;
+
+                for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
+                {
+                    fvScalarMatrix hEqn
+                    (
+                        fvm::ddt(h)
+                      + fvc::div(phi)
+                      - fvm::laplacian(ghrUAf, h)
+                    );
+
+                    if (ucorr < nOuterCorr-1 || corr < nCorr-1)
+                    {
+                        hEqn.solve();
+                    }
+                    else
+                    {
+                        hEqn.solve(mesh.solver(h.name() + "Final"));
+                    }
+
+                    if (nonOrth == nNonOrthCorr)
+                    {
+                        phi += hEqn.flux();
+                    }
+                }
+
+                hU -= rUA*h*magg*fvc::grad(h + h0);
+
+                // Constrain the momentum to be in the geometry if 3D geometry
+                if (mesh.nGeometricD() == 3)
+                {
+                    hU -= (gHat & hU)*gHat;
+                }
+
+                hU.correctBoundaryConditions();
+            }
+        }
+
+        U == hU/h;
+        hTotal == h + h0;
+
+        runTime.write();
+
+        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
+            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
+            << nl << endl;
+    }
+
+    Info<< "End\n" << endl;
+
+    return(0);
+}
+
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/.gmtcommands4

+# GMT common arguments shelf
+-B0/0
+-JX18c/18c
+-R0/1/0/1
+-jX18c/18c
+EOF
+F
+

tutorials/incompressible/shallowWaterFoam/squareBump/0/U

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volVectorField;
+    location    "0";
+    object      U;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 -1 0 0 0 0];
+
+internalField   uniform (0.1 0 0);
+
+boundaryField
+{
+    sides
+    {
+        type            slip;
+    }
+    inlet
+    {
+        type            fixedValue;
+        value           uniform (0.1 0 0);
+    }
+    outlet
+    {
+        type            zeroGradient;
+    }
+    frontAndBack
+    {
+        type            empty;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/0/h

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      h;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 0 0 0 0 0];
+
+internalField   nonuniform List<scalar> 
+400
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+)
+;
+
+boundaryField
+{
+    sides
+    {
+        type            zeroGradient;
+    }
+    inlet
+    {
+        type            zeroGradient;
+    }
+    outlet
+    {
+        type            fixedValue;
+        value           uniform 0.01;
+    }
+    frontAndBack
+    {
+        type            empty;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/0/hTotal

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      hTotal;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 0 0 0 0 0];
+
+internalField   uniform 0.01;
+
+boundaryField
+{
+    sides
+    {
+        type            calculated;
+        value           uniform 0.01;
+    }
+    inlet
+    {
+        type            calculated;
+        value           uniform 0.01;
+    }
+    outlet
+    {
+        type            calculated;
+        value           uniform 0.01;
+    }
+    frontAndBack
+    {
+        type            empty;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/constant/environmentalProperties

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      environmentalProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+g               g [0 1 -2 0 0 0 0] (0 0 -9.81);
+rotating true;
+Omega        Omega       [0 0 -1 0 0]  (0 0 7.292e-5);
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/constant/h0

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      h0;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 0 0 0 0 0];
+
+internalField   nonuniform List<scalar> 
+400
+(
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+;
+
+boundaryField
+{
+    sides
+    {
+        type            zeroGradient;
+    }
+    inlet
+    {
+        type            zeroGradient;
+    }
+    outlet
+    {
+        type            zeroGradient;
+    }
+    frontAndBack
+    {
+        type            empty;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/constant/polyMesh/blockMeshDict

+/*---------------------------------------------------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.4                                   |
+|   \\  /    A nd           | Web:      http://www.openfoam.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          blockMeshDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+convertToMeters 1;
+
+vertices
+(
+    (0 0 0)
+    (1 0 0)
+    (1 1 0)
+    (0 1 0)
+    (0 0 0.1)
+    (1 0 0.1)
+    (1 1 0.1)
+    (0 1 0.1)
+);
+
+blocks
+(
+    hex (0 1 2 3 4 5 6 7) (20 20 1) simpleGrading (1 1 1)
+);
+
+edges
+(
+);
+
+patches
+(
+    patch sides
+    (
+        (3 7 6 2)
+        (1 5 4 0)
+    )
+    patch inlet
+    (
+        (0 4 7 3)
+    )
+    patch outlet
+    (
+        (2 6 5 1)
+    )
+    empty frontAndBack
+    (
+        (0 3 2 1)
+        (4 5 6 7)
+    )
+);
+
+mergePatchPairs
+(
+);
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/constant/polyMesh/boundary

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       polyBoundaryMesh;
+    location    "constant/polyMesh";
+    object      boundary;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+4
+(
+    sides
+    {
+        type            patch;
+        nFaces          40;
+        startFace       760;
+    }
+    inlet
+    {
+        type            patch;
+        nFaces          20;
+        startFace       800;
+    }
+    outlet
+    {
+        type            patch;
+        nFaces          20;
+        startFace       820;
+    }
+    frontAndBack
+    {
+        type            empty;
+        nFaces          800;
+        startFace       840;
+    }
+)
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/system/controlDict

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      controlDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+startFrom       startTime;
+
+startTime      0;
+
+stopAt          endTime;
+
+endTime         100;
+
+deltaT          0.1;
+
+writeControl    runTime;
+
+writeInterval   1;
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  6;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable no;
+
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/system/fvSchemes

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      fvSchemes;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+ddtSchemes
+{
+    default         CrankNicholson 0.9;
+}
+
+gradSchemes
+{
+    default         Gauss linear;
+}
+
+divSchemes
+{
+    default         none;
+    div(phiv,hU)    Gauss linear;
+}
+
+laplacianSchemes
+{
+    default         Gauss linear uncorrected;
+}
+
+interpolationSchemes
+{
+    default         linear;
+}
+
+snGradSchemes
+{
+    default         uncorrected;
+}
+
+fluxRequired
+{
+    h;
+}
+
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/system/fvSolution

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      fvSolution;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+solvers
+{
+    h
+    {
+        solver          PCG;
+        preconditioner  DIC;
+        tolerance       1e-6;
+        relTol          0.01;
+    };
+
+    hFinal
+    {
+        solver          PCG;
+        preconditioner  DIC;
+        tolerance       1e-8;
+        relTol          0;
+    };
+
+    hU
+    {
+        solver          PBiCG;
+        preconditioner  DILU;
+        tolerance       1e-6;
+        relTol          0;
+    }
+}
+
+PISO
+{
+    nOuterCorrectors 3;
+    nCorrectors      1;
+    nNonOrthogonalCorrectors 0;
+
+    momentumPredictor yes;
+}
+
+// ************************************************************************* //

tutorials/incompressible/shallowWaterFoam/squareBump/system/setFieldsDict

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      setFieldsDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+defaultFieldValues
+(
+    volScalarFieldValue h0 0
+    volScalarFieldValue h 0.01
+    volVectorFieldValue U (0.1 0 0)
+);
+
+regions
+(
+    boxToCell
+    {
+        box (0.45 0.45 0) (0.55 0.55 0.1);
+
+        fieldValues
+        (
+            volScalarFieldValue h0 0.001
+            volScalarFieldValue h  0.009
+        );
+    }
+);
+
+// ************************************************************************* //