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applications/utilities/preProcessing/boxTurb/Make/files

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

applications/utilities/preProcessing/boxTurb/Make/options

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

applications/utilities/preProcessing/boxTurb/boxTurb.C

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+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011-2013 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
+    boxTurb
+
+Description
+    Makes a box of turbulence which conforms to a given energy
+    spectrum and is divergence free.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "graph.H"
+#include "OFstream.H"
+#include "Kmesh.H"
+#include "turbGen.H"
+#include "calcEk.H"
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    argList::noParallel();
+    #include "setRootCase.H"
+
+    #include "createTime.H"
+    #include "createMesh.H"
+    #include "createFields.H"
+    #include "readBoxTurbDict.H"
+
+
+    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    Kmesh K(mesh);
+
+    turbGen Ugen(K, Ea, k0);
+
+    U.internalField() = Ugen.U();
+    U.correctBoundaryConditions();
+
+    Info<< "k("
+         << runTime.timeName()
+         << ") = "
+         << 3.0/2.0*average(magSqr(U)).value() << endl;
+
+    U.write();
+
+    calcEk(U, K).write
+    (
+        runTime.path()/"graphs"/runTime.timeName(),
+        "Ek",
+        runTime.graphFormat()
+    );
+
+    Info<< "end" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

applications/utilities/preProcessing/boxTurb/createFields.H

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+    Info<< "Reading field U\n" << endl;
+
+    volVectorField U
+    (
+        IOobject
+        (
+            "U",
+            runTime.timeName(),
+            mesh,
+            IOobject::MUST_READ,
+            IOobject::AUTO_WRITE
+        ),
+        mesh
+    );

applications/utilities/preProcessing/boxTurb/readBoxTurbDict.H

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+    Info<< "Reading boxTurbDict\n" << endl;
+
+    IOdictionary boxTurbDict
+    (
+        IOobject
+        (
+            "boxTurbDict",
+            runTime.constant(),
+            mesh,
+            IOobject::MUST_READ_IF_MODIFIED,
+            IOobject::NO_WRITE
+        )
+    );
+
+    scalar Ea(readScalar(boxTurbDict.lookup("Ea")));
+
+    scalar k0(readScalar(boxTurbDict.lookup("k0")));