From 9a7ca2b98898f957039ae43f6ac266fcb46b6f9d Mon Sep 17 00:00:00 2001
From: henry <Henry Weller h.weller@opencfd.co.uk>
Date: Wed, 13 Aug 2008 12:40:14 +0100
Subject: [PATCH] Added pimpleFoam to the collection.
---
.../incompressible/pimpleFoam/Make/files | 3 +
.../incompressible/pimpleFoam/Make/options | 10 ++
.../solvers/incompressible/pimpleFoam/UEqn.H | 36 +++++++
.../incompressible/pimpleFoam/createFields.H | 42 +++++++++
.../solvers/incompressible/pimpleFoam/pEqn.H | 53 +++++++++++
.../incompressible/pimpleFoam/pimpleFoam.C | 93 +++++++++++++++++++
6 files changed, 237 insertions(+)
create mode 100644 applications/solvers/incompressible/pimpleFoam/Make/files
create mode 100644 applications/solvers/incompressible/pimpleFoam/Make/options
create mode 100644 applications/solvers/incompressible/pimpleFoam/UEqn.H
create mode 100644 applications/solvers/incompressible/pimpleFoam/createFields.H
create mode 100644 applications/solvers/incompressible/pimpleFoam/pEqn.H
create mode 100644 applications/solvers/incompressible/pimpleFoam/pimpleFoam.C
diff --git a/applications/solvers/incompressible/pimpleFoam/Make/files b/applications/solvers/incompressible/pimpleFoam/Make/files
new file mode 100644
index 00000000000..92943d3370c
--- /dev/null
+++ b/applications/solvers/incompressible/pimpleFoam/Make/files
@@ -0,0 +1,3 @@
+pimpleFoam.C
+
+EXE = $(FOAM_USER_APPBIN)/pimpleFoam
diff --git a/applications/solvers/incompressible/pimpleFoam/Make/options b/applications/solvers/incompressible/pimpleFoam/Make/options
new file mode 100644
index 00000000000..8a31f7e5abb
--- /dev/null
+++ b/applications/solvers/incompressible/pimpleFoam/Make/options
@@ -0,0 +1,10 @@
+EXE_INC = \
+ -I$(LIB_SRC)/finiteVolume/lnInclude \
+ -I$(LIB_SRC)/turbulenceModels/RAS \
+ -I$(LIB_SRC)/transportModels
+
+EXE_LIBS = \
+ -lincompressibleRASModels \
+ -lincompressibleTransportModels \
+ -lfiniteVolume \
+ -lmeshTools
diff --git a/applications/solvers/incompressible/pimpleFoam/UEqn.H b/applications/solvers/incompressible/pimpleFoam/UEqn.H
new file mode 100644
index 00000000000..12b4260e5df
--- /dev/null
+++ b/applications/solvers/incompressible/pimpleFoam/UEqn.H
@@ -0,0 +1,36 @@
+// Solve the Momentum equation
+
+tmp<fvVectorMatrix> UEqn
+(
+ fvm::ddt(U)
+ + fvm::div(phi, U)
+ + turbulence->divDevReff(U)
+);
+
+if (oCorr == nOuterCorr-1)
+{
+ UEqn().relax(1);
+}
+else
+{
+ UEqn().relax();
+}
+
+volScalarField rUA = 1.0/UEqn().A();
+
+if (momentumPredictor)
+{
+ if (oCorr == nOuterCorr-1)
+ {
+ solve(UEqn() == -fvc::grad(p), mesh.solver("UFinal"));
+ }
+ else
+ {
+ solve(UEqn() == -fvc::grad(p));
+ }
+}
+else
+{
+ U = rUA*(UEqn().H() - fvc::grad(p));
+ U.correctBoundaryConditions();
+}
diff --git a/applications/solvers/incompressible/pimpleFoam/createFields.H b/applications/solvers/incompressible/pimpleFoam/createFields.H
new file mode 100644
index 00000000000..7c81ab5baf4
--- /dev/null
+++ b/applications/solvers/incompressible/pimpleFoam/createFields.H
@@ -0,0 +1,42 @@
+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
+);
+
+#include "createPhi.H"
+
+
+label pRefCell = 0;
+scalar pRefValue = 0.0;
+setRefCell(p, mesh.solutionDict().subDict("PISO"), pRefCell, pRefValue);
+
+
+singlePhaseTransportModel laminarTransport(U, phi);
+
+autoPtr<incompressible::RASModel> turbulence
+(
+ incompressible::RASModel::New(U, phi, laminarTransport)
+);
diff --git a/applications/solvers/incompressible/pimpleFoam/pEqn.H b/applications/solvers/incompressible/pimpleFoam/pEqn.H
new file mode 100644
index 00000000000..41f99bb542d
--- /dev/null
+++ b/applications/solvers/incompressible/pimpleFoam/pEqn.H
@@ -0,0 +1,53 @@
+U = rUA*UEqn().H();
+
+if (nCorr <= 1)
+{
+ UEqn.clear();
+}
+
+phi = (fvc::interpolate(U) & mesh.Sf())
+ + fvc::ddtPhiCorr(rUA, U, phi);
+
+adjustPhi(phi, U, p);
+
+// Non-orthogonal pressure corrector loop
+for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
+{
+ // Pressure corrector
+ fvScalarMatrix pEqn
+ (
+ fvm::laplacian(rUA, p) == fvc::div(phi)
+ );
+
+ pEqn.setReference(pRefCell, pRefValue);
+
+ if
+ (
+ oCorr == nOuterCorr-1
+ && corr == nCorr-1
+ && nonOrth == nNonOrthCorr
+ )
+ {
+ pEqn.solve(mesh.solver("pFinal"));
+ }
+ else
+ {
+ pEqn.solve();
+ }
+
+ if (nonOrth == nNonOrthCorr)
+ {
+ phi -= pEqn.flux();
+ }
+}
+
+#include "continuityErrs.H"
+
+// Explicitly relax pressure for momentum corrector except for last corrector
+if (oCorr != nOuterCorr-1)
+{
+ p.relax();
+}
+
+U -= rUA*fvc::grad(p);
+U.correctBoundaryConditions();
diff --git a/applications/solvers/incompressible/pimpleFoam/pimpleFoam.C b/applications/solvers/incompressible/pimpleFoam/pimpleFoam.C
new file mode 100644
index 00000000000..f3c16142393
--- /dev/null
+++ b/applications/solvers/incompressible/pimpleFoam/pimpleFoam.C
@@ -0,0 +1,93 @@
+/*---------------------------------------------------------------------------*\
+ ========= |
+ \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
+ \\ / O peration |
+ \\ / A nd | Copyright (C) 1991-2007 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
+ pimpleFoam
+
+Description
+ Large time-step transient solver for incompressible, turbulent flow using
+ the PIMPLE (merged PISO-SIMPLE) algorithm.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "incompressible/singlePhaseTransportModel/singlePhaseTransportModel.H"
+#include "incompressible/RASModel/RASModel.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+ #include "setRootCase.H"
+ #include "createTime.H"
+ #include "createMesh.H"
+ #include "createFields.H"
+ #include "initContinuityErrs.H"
+
+ Info<< "\nStarting time loop\n" << endl;
+
+ while (runTime.run())
+ {
+ #include "readTimeControls.H"
+ #include "readPIMPLEControls.H"
+ #include "CourantNo.H"
+ #include "setDeltaT.H"
+
+ runTime++;
+
+ Info<< "Time = " << runTime.timeName() << nl << endl;
+
+ if (nOuterCorr != 1)
+ {
+ p.storePrevIter();
+ }
+
+ // --- Pressure-velocity PIMPLE corrector loop
+ for (int oCorr=0; oCorr<nOuterCorr; oCorr++)
+ {
+ #include "UEqn.H"
+
+ // --- PISO loop
+ for (int corr=0; corr<nCorr; corr++)
+ {
+ #include "pEqn.H"
+ }
+
+ turbulence->correct();
+ }
+
+ runTime.write();
+
+ Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
+ << " ClockTime = " << runTime.elapsedClockTime() << " s"
+ << nl << endl;
+ }
+
+ Info<< "End\n" << endl;
+
+ return 0;
+}
+
+
+// ************************************************************************* //
--
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