cavitatingDyMFoam: new moving-mesh version of cavitatingFoam

applications/solvers/multiphase/cavitatingFoam/Allwclean

+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+set -x
+
+wclean
+wclean cavitatingDyMFoam
+
+# ----------------------------------------------------------------- end-of-file

applications/solvers/multiphase/cavitatingFoam/Allwmake

+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+set -x
+
+wmake
+wmake cavitatingDyMFoam
+
+# ----------------------------------------------------------------- end-of-file

applications/solvers/multiphase/cavitatingFoam/cavitatingDyMFoam/Make/files

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

applications/solvers/multiphase/cavitatingFoam/cavitatingDyMFoam/Make/options

+EXE_INC = \
+    -I.. \
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/transportModels \
+    -I$(LIB_SRC)/transportModels/incompressible/lnInclude \
+    -I$(LIB_SRC)/transportModels/interfaceProperties/lnInclude \
+    -I$(LIB_SRC)/turbulenceModels/incompressible/turbulenceModel \
+    -I$(LIB_SRC)/thermophysicalModels/barotropicCompressibilityModel/lnInclude \
+    -I$(LIB_SRC)/dynamicMesh/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/dynamicFvMesh/lnInclude
+
+EXE_LIBS = \
+    -lincompressibleTransportModels \
+    -lincompressibleTurbulenceModel \
+    -lincompressibleRASModels \
+    -lincompressibleLESModels \
+    -lfiniteVolume \
+    -lbarotropicCompressibilityModel \
+    -ldynamicMesh \
+    -lmeshTools \
+    -ldynamicFvMesh

applications/solvers/multiphase/cavitatingFoam/cavitatingDyMFoam/cavitatingDyMFoam.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2012 OpenFOAM Foundation
+     \\/     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 3 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, see <http://www.gnu.org/licenses/>.
+
+Application
+    cavitatingFoam
+
+Description
+    Transient cavitation code based on the homogeneous equilibrium model
+    from which the compressibility of the liquid/vapour "mixture" is obtained.
+
+    Turbulence modelling is generic, i.e. laminar, RAS or LES may be selected.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "dynamicFvMesh.H"
+#include "barotropicCompressibilityModel.H"
+#include "twoPhaseMixture.H"
+#include "turbulenceModel.H"
+#include "pimpleControl.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    #include "setRootCase.H"
+
+    #include "createTime.H"
+    #include "createDynamicFvMesh.H"
+    #include "readThermodynamicProperties.H"
+    #include "readControls.H"
+    #include "createFields.H"
+    #include "initContinuityErrs.H"
+
+    pimpleControl pimple(mesh);
+
+    surfaceScalarField phivAbs("phivAbs", phiv);
+    fvc::makeAbsolute(phivAbs, U);
+
+    #include "compressibleCourantNo.H"
+    #include "setInitialDeltaT.H"
+
+    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    Info<< "\nStarting time loop\n" << endl;
+
+    while (runTime.run())
+    {
+        #include "readControls.H"
+        #include "CourantNo.H"
+        #include "setDeltaT.H"
+
+        runTime++;
+        Info<< "Time = " << runTime.timeName() << nl << endl;
+
+        scalar timeBeforeMeshUpdate = runTime.elapsedCpuTime();
+
+        {
+            // Calculate the relative velocity used to map relative flux phiv
+            volVectorField Urel("Urel", U);
+
+            if (mesh.moving())
+            {
+                Urel -= fvc::reconstruct(fvc::meshPhi(U));
+            }
+
+            // Do any mesh changes
+            mesh.update();
+        }
+
+        if (mesh.changing())
+        {
+            Info<< "Execution time for mesh.update() = "
+                << runTime.elapsedCpuTime() - timeBeforeMeshUpdate
+                << " s" << endl;
+
+            #include "correctPhi.H"
+        }
+
+        // --- Pressure-velocity PIMPLE corrector loop
+        while (pimple.loop())
+        {
+            #include "rhoEqn.H"
+            #include "gammaPsi.H"
+            #include "UEqn.H"
+
+            // --- Pressure corrector loop
+            while (pimple.correct())
+            {
+                #include "pEqn.H"
+            }
+
+            if (pimple.turbCorr())
+            {
+                turbulence->correct();
+            }
+        }
+
+        runTime.write();
+
+        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
+            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
+            << nl << endl;
+    }
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

applications/solvers/multiphase/cavitatingFoam/cavitatingDyMFoam/correctPhi.H

+{
+    wordList pcorrTypes
+    (
+        p.boundaryField().size(),
+        zeroGradientFvPatchScalarField::typeName
+    );
+
+    forAll (p.boundaryField(), i)
+    {
+        if (p.boundaryField()[i].fixesValue())
+        {
+            pcorrTypes[i] = fixedValueFvPatchScalarField::typeName;
+        }
+    }
+
+    volScalarField pcorr
+    (
+        IOobject
+        (
+            "pcorr",
+            runTime.timeName(),
+            mesh,
+            IOobject::NO_READ,
+            IOobject::NO_WRITE
+        ),
+        mesh,
+        dimensionedScalar("pcorr", p.dimensions(), 0.0),
+        pcorrTypes
+    );
+
+    surfaceScalarField rhof(fvc::interpolate(rho, "div(phiv,rho)"));
+    dimensionedScalar rAUf("(1|A(U))", dimTime, 1.0);
+
+    while (pimple.correctNonOrthogonal())
+    {
+        fvScalarMatrix pcorrEqn
+        (
+            fvm::laplacian(rAUf, pcorr) == fvc::ddt(rho) + fvc::div(phiv*rhof)
+        );
+
+        pcorrEqn.solve();
+
+        if (pimple.finalNonOrthogonalIter())
+        {
+            phiv -= pcorrEqn.flux()/rhof;
+        }
+    }
+}

applications/solvers/multiphase/cavitatingFoam/cavitatingDyMFoam/pEqn.H

+{
+    if (pimple.nCorrPIMPLE() == 1)
+    {
+        p =
+        (
+            rho
+          - (1.0 - gamma)*rhol0
+          - ((gamma*psiv + (1.0 - gamma)*psil) - psi)*pSat
+        )/psi;
+    }
+
+    surfaceScalarField rhof("rhof", fvc::interpolate(rho));
+
+    volScalarField rAU(1.0/UEqn.A());
+    surfaceScalarField rAUf("Dp", rhof*fvc::interpolate(rAU));
+
+    volVectorField HbyA("HbyA", U);
+    HbyA = rAU*UEqn.H();
+
+    phiv = (fvc::interpolate(HbyA) & mesh.Sf())
+         + fvc::ddtPhiCorr(rAU, rho, U, phivAbs);
+    fvc::makeRelative(phiv, U);
+
+    surfaceScalarField phiGradp(rAUf*mesh.magSf()*fvc::snGrad(p));
+
+    phiv -= phiGradp/rhof;
+
+    volScalarField rho0(rho - psi*p);
+
+    while (pimple.correctNonOrthogonal())
+    {
+        fvScalarMatrix pEqn
+        (
+            fvc::ddt(rho)
+          + psi*correction(fvm::ddt(p))
+          + fvc::div(phiv, rho)
+          + fvc::div(phiGradp)
+          - fvm::laplacian(rAUf, p)
+        );
+
+        pEqn.solve(mesh.solver(p.select(pimple.finalInnerIter())));
+
+        if (pimple.finalNonOrthogonalIter())
+        {
+            phiv += (phiGradp + pEqn.flux())/rhof;
+            phivAbs = fvc::absolute(phiv, U);
+        }
+    }
+
+    Info<< "Predicted p max-min : " << max(p).value()
+        << " " << min(p).value() << endl;
+
+    rho == max(rho0 + psi*p, rhoMin);
+
+    #include "gammaPsi.H"
+
+    p =
+    (
+        rho
+      - (1.0 - gamma)*rhol0
+      - ((gamma*psiv + (1.0 - gamma)*psil) - psi)*pSat
+    )/psi;
+
+    p.correctBoundaryConditions();
+
+    Info<< "Phase-change corrected p max-min : " << max(p).value()
+        << " " << min(p).value() << endl;
+
+    // Correct velocity
+
+    U = HbyA - rAU*fvc::grad(p);
+
+    // Remove the swirl component of velocity for "wedge" cases
+    if (pimple.dict().found("removeSwirl"))
+    {
+        label swirlCmpt(readLabel(pimple.dict().lookup("removeSwirl")));
+
+        Info<< "Removing swirl component-" << swirlCmpt << " of U" << endl;
+        U.field().replace(swirlCmpt, 0.0);
+    }
+
+    U.correctBoundaryConditions();
+
+    Info<< "max(U) " << max(mag(U)).value() << endl;
+}