Creation of OpenFOAM-dev repository 15/04/2008

2025-12-28 03:37:59 +00:00 · 2008-04-15 18:56:58 +01:00
commit 3170c7c0c9
9896 changed files with 4016171 additions and 0 deletions
--- a/applications/utilities/errorEstimation/momentScalarError/momentScalarError.C
+++ b/applications/utilities/errorEstimation/momentScalarError/momentScalarError.C
@ -0,0 +1,193 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  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
+    momentScalarError
+
+Description
+    Estimates the error in the solution for a scalar transport equation in the
+    standard form
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "linear.H"
+#include "gaussConvectionScheme.H"
+#include "gaussLaplacianScheme.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+
+#   include "addTimeOptions.H"
+#   include "setRootCase.H"
+
+    Info<< "\nEstimating error in scalar transport equation\n" << endl;
+
+#   include "createTime.H"
+
+    // Get times list
+    instantList Times = runTime.times();
+
+#   include "checkTimeOptions.H"
+
+    runTime.setTime(Times[startTime], startTime);
+
+#   include "createMesh.H"
+
+    Info<< "Reading transportProperties\n" << endl;
+
+    IOdictionary transportProperties
+    (
+        IOobject
+        (
+            "transportProperties",
+            runTime.constant(),
+            mesh,
+            IOobject::MUST_READ,
+            IOobject::NO_WRITE
+        )
+    );
+
+
+    Info<< "Reading diffusivity DT\n" << endl;
+
+    dimensionedScalar DT
+    (
+        transportProperties.lookup("DT")
+    );
+
+
+    for (label i=startTime; i<endTime; i++)
+    {
+        runTime.setTime(Times[i], i);
+
+        Info<< "Time = " << runTime.timeName() << endl;
+
+        mesh.readUpdate();
+
+        IOobject THeader
+        (
+            "T",
+            runTime.timeName(),
+            mesh,
+            IOobject::MUST_READ
+        );
+
+        IOobject Uheader
+        (
+            "U",
+            runTime.timeName(),
+            mesh,
+            IOobject::MUST_READ
+        );
+
+        if (THeader.headerOk() && Uheader.headerOk())
+        {
+            Info << "Reading T" << endl;
+            volScalarField T(THeader, mesh);
+
+            Info << "Reading U" << endl;
+            volVectorField U(Uheader, mesh);
+
+#           include "createPhi.H"
+
+            volVectorField gradT = fvc::grad(T);
+
+            volScalarField TE = 0.5*sqr(T);
+
+            volScalarField L
+            (
+                IOobject
+                (
+                    "L",
+                    mesh.time().timeName(),
+                    mesh,
+                    IOobject::NO_READ,
+                    IOobject::NO_WRITE
+                ),
+                mesh,
+                dimensionedScalar("one", dimLength, 1.0)
+            );
+
+            L.internalField() =
+                mesh.V()/fvc::surfaceSum(mesh.magSf())().internalField();
+
+            // Divergence of the error in the T squared
+            volScalarField momError
+            (
+                IOobject
+                (
+                    "momErrorL" + T.name(),
+                    mesh.time().timeName(),
+                    mesh,
+                    IOobject::NO_READ,
+                    IOobject::NO_WRITE
+                ),
+                sqrt
+                (
+                    2.0*mag
+                    (
+                        (
+                            fv::gaussConvectionScheme<scalar>
+                            (
+                                mesh,
+                                phi,
+                                tmp<surfaceInterpolationScheme<scalar> >
+                                (
+                                    new linear<scalar>(mesh)
+                                )
+                            ).fvcDiv(phi, TE)
+
+                          - DT*
+                            fv::gaussLaplacianScheme<scalar, scalar>(mesh)
+                           .fvcLaplacian
+                            (
+                                TE
+                            )
+                          + DT*(gradT & gradT)
+                        )*L/(mag(U) + DT/L)
+                    )
+                )
+            );
+
+            momError.boundaryField() = 0.0;
+            momError.write();
+        }
+        else
+        {
+            Info<< "    No T or U" << endl;
+        }
+
+        Info<< endl;
+    }
+
+    Info<< "End\n" << endl;
+
+    return(0);
+}
+
+
+// ************************************************************************* //