FEATURE: New solver for potential flow on dynamic meshes. Author: Hrvoje Jasak. Merge: Dominik Christ.

applications/solvers/basic/potentialDyMFoam/Make/files

@@ -0,0 +1,3 @@
+potentialDyMFoam.C
+
+EXE = $(FOAM_APPBIN)/potentialDyMFoam

applications/solvers/basic/potentialDyMFoam/Make/options

@@ -0,0 +1,14 @@
+EXE_INC = \
+    -I$(LIB_SRC)/dynamicMesh/dynamicFvMesh/lnInclude \
+    -I$(LIB_SRC)/dynamicMesh/dynamicMesh/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/finiteVolume/lnInclude
+
+EXE_LIBS = \
+    -ldynamicFvMesh \
+    -ldynamicMesh \
+    -lengine \
+    -lmeshTools \
+    -lfiniteVolume \
+    -llduSolvers \
+    -L$(MESQUITE_LIB_DIR) -lmesquite

applications/solvers/basic/potentialDyMFoam/correctPhi.H

@@ -0,0 +1,57 @@
+{
+    wordList pcorrTypes(p.boundaryField().types());
+
+    for (label i=0; i<p.boundaryField().size(); 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
+    );
+
+    // Initialise flux with interpolated velocity
+    phi = fvc::interpolate(U) & mesh.Sf();
+
+    if (pcorr.needReference())
+    {
+        fvc::makeRelative(phi, U);
+        adjustPhi(phi, U, pcorr);
+        fvc::makeAbsolute(phi, U);
+    }
+
+    for(int nonOrth = 0; nonOrth <= nNonOrthCorr; nonOrth++)
+    {
+        fvScalarMatrix pcorrEqn
+        (
+            fvm::laplacian(rAU, pcorr) == fvc::div(phi)
+        );
+
+        pcorrEqn.setReference(pRefCell, pRefValue);
+        pcorrEqn.solve();
+
+        if (nonOrth == nNonOrthCorr)
+        {
+            phi -= pcorrEqn.flux();
+        }
+
+        // Fluxes are corrected to absolute velocity and further corrected
+        // later.  HJ, 6/Feb/2009
+    }
+}
+
+#include "continuityErrs.H"

applications/solvers/basic/potentialDyMFoam/createFields.H

@@ -0,0 +1,50 @@
+    Info<< "Reading field p\n" << endl;
+    volScalarField p
+    (
+        IOobject
+        (
+            "p",
+            runTime.timeName(),
+            mesh,
+            IOobject::MUST_READ,
+            IOobject::AUTO_WRITE
+        ),
+        mesh
+    );
+
+    Info<< "Reading field U\n" << endl;
+    volVectorField U
+    (
+        IOobject
+        (
+            "U",
+            runTime.timeName(),
+            mesh,
+            IOobject::MUST_READ,
+            IOobject::AUTO_WRITE
+        ),
+        mesh
+    );
+
+    if (args.optionFound("resetU"))
+    {
+        U.internalField() = vector::zero;
+    }
+
+    surfaceScalarField phi
+    (
+        IOobject
+        (
+            "phi",
+            runTime.timeName(),
+            mesh,
+            IOobject::NO_READ,
+            IOobject::AUTO_WRITE
+        ),
+        fvc::interpolate(U) & mesh.Sf()
+    );
+
+
+    label pRefCell = 0;
+    scalar pRefValue = 0.0;
+    setRefCell(p, mesh.solutionDict().subDict("PISO"), pRefCell, pRefValue);

applications/solvers/basic/potentialDyMFoam/potentialDyMFoam.C

@@ -0,0 +1,145 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | foam-extend: Open Source CFD
+   \\    /   O peration     |
+    \\  /    A nd           | For copyright notice see file Copyright
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of foam-extend.
+
+    foam-extend 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.
+
+    foam-extend 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 foam-extend.  If not, see <http://www.gnu.org/licenses/>.
+
+Application
+    potentialDyMFoam
+
+Description
+    Transient solver for potential flow with dynamic mesh.
+
+Author
+    Hrvoje Jasak, Wikki Ltd.  All rights reserved.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "dynamicFvMesh.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    argList::validOptions.insert("resetU", "");
+    argList::validOptions.insert("writep", "");
+
+#   include "setRootCase.H"
+#   include "createTime.H"
+#   include "createDynamicFvMesh.H"
+#   include "createFields.H"
+#   include "initTotalVolume.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    Info<< "\nStarting time loop\n" << endl;
+
+    while (runTime.loop())
+    {
+#       include "readPISOControls.H"
+#       include "checkTotalVolume.H"
+
+        runTime++;
+
+        Info<< "Time = " << runTime.timeName() << nl << endl;
+
+        bool meshChanged = mesh.update();
+        reduce(meshChanged, orOp<bool>());
+
+        p.internalField() = 0;
+
+        if (args.optionFound("resetU"))
+        {
+            U.internalField() = vector::zero;
+        }
+
+#       include "volContinuity.H"
+
+        // Solve potential flow equations
+        adjustPhi(phi, U, p);
+
+        for (int nonOrth = 0; nonOrth <= nNonOrthCorr; nonOrth++)
+        {
+            p.storePrevIter();
+
+            fvScalarMatrix pEqn
+            (
+                fvm::laplacian
+                (
+                    dimensionedScalar
+                    (
+                        "1",
+                        dimTime/p.dimensions()*dimensionSet(0, 2, -2, 0, 0),
+                        1
+                    ),
+                    p
+                )
+             ==
+                fvc::div(phi)
+            );
+
+            pEqn.setReference(pRefCell, pRefValue);
+            pEqn.solve();
+
+            if (nonOrth == nNonOrthCorr)
+            {
+                phi -= pEqn.flux();
+            }
+            else
+            {
+                p.relax();
+            }
+        }
+
+        Info<< "continuity error = "
+            << mag(fvc::div(phi))().weightedAverage(mesh.V()).value()
+            << endl;
+
+        U = fvc::reconstruct(phi);
+        U.correctBoundaryConditions();
+
+        Info<< "Interpolated U error = "
+            << (sqrt(sum(sqr((fvc::interpolate(U) & mesh.Sf()) - phi)))
+            /sum(mesh.magSf())).value()
+            << endl;
+
+        // Calculate velocity magnitude
+        {
+            volScalarField magU = mag(U);
+
+            Info<< "mag(U): max: " << gMax(magU.internalField())
+                << " min: " << gMin(magU.internalField()) << endl;
+        }
+
+        runTime.write();
+
+        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
+            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
+            << nl << endl;
+    }
+
+    Info<< "End\n" << endl;
+
+    return(0);
+}
+
+
+// ************************************************************************* //

applications/solvers/basic/potentialFoam/potentialFoam.C

@@ -32,7 +32,6 @@ Description
 
 #include "fvCFD.H"
 
-
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 int main(int argc, char *argv[])
@@ -53,7 +52,7 @@ int main(int argc, char *argv[])
 
     adjustPhi(phi, U, p);
 
-    for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
+    for (int nonOrth = 0; nonOrth <= nNonOrthCorr; nonOrth++)
     {
         p.storePrevIter();
 
@@ -102,7 +101,7 @@ int main(int argc, char *argv[])
     {
         volScalarField magU = mag(U);
 
-        Info << "mag(U): max: " << gMax(magU.internalField())
+        Info<< "mag(U): max: " << gMax(magU.internalField())
             << " min: " << gMin(magU.internalField()) << endl;
     }