Merge pull request UnnamedMoose#12 from UnnamedMoose/tutorial12

Tutorial12

Author: UnnamedMoose

OFtutorial10_transportEquation/testCase/2DconvectionDiffusion.png

@@ -2,3 +2,4 @@
 
 blockMesh > log.blockMesh
 ofTutorial10
+paraview --state=viewData.pvsm

OFtutorial10_transportEquation/testCase/Allrun

@@ -0,0 +1,3 @@
+customActuationDiskSource.C
+
+LIB = $(FOAM_USER_LIBBIN)/libcustomActuationDiskSource

OFtutorial10_transportEquation/testCase/viewData.pvsm

@@ -0,0 +1,9 @@
+EXE_INC = \
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/fvOptions/lnInclude
+
+EXE_LIBS = \
+    -lfiniteVolume \
+    -lmeshTools \
+    -lfvOptions

OFtutorial11_modifyingTheMesh/testCase/cellTypes.png

@@ -0,0 +1,221 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011-2016 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/>.
+
+\*---------------------------------------------------------------------------*/
+
+#include "customActuationDiskSource.H"
+
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace fv
+{
+    defineTypeNameAndDebug(customActuationDiskSource, 0);
+    addToRunTimeSelectionTable
+    (
+        option,
+        customActuationDiskSource,
+        dictionary
+    );
+}
+}
+
+
+// * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
+
+void Foam::fv::customActuationDiskSource::checkData() const
+{
+    if (magSqr(this->diskArea()) <= VSMALL)
+    {
+        FatalErrorInFunction
+           << "diskArea is approximately zero"
+           << exit(FatalIOError);
+    }
+    if ((Cp_ <= VSMALL) || (Ct_ <= VSMALL))
+    {
+        FatalErrorInFunction
+           << "Cp and Ct must be greater than zero"
+           << exit(FatalIOError);
+    }
+    if (mag(diskDir_) < VSMALL)
+    {
+        FatalErrorInFunction
+           << "disk direction vector is approximately zero"
+           << exit(FatalIOError);
+    }
+    if (returnReduce(upstreamCellId_, maxOp<label>()) == -1)
+    {
+        FatalErrorInFunction
+           << "upstream location " << upstreamPoint_  << " not found in mesh"
+           << exit(FatalIOError);
+    }
+}
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+Foam::fv::customActuationDiskSource::customActuationDiskSource
+(
+    const word& name, // name as appears in fvOptions dictionary
+    const word& modelType, // type of this instance
+    const dictionary& dict,
+    const fvMesh& mesh
+)
+:
+    // call the base class constructor
+    option(name, modelType, dict, mesh),
+    // read control parameters from dictionary
+    diskDir_(coeffs_.lookup("diskDir")),
+    diskCentre_(coeffs_.lookup("diskCentre")),
+    D_(readScalar(coeffs_.lookup("D"))),
+    t_(readScalar(coeffs_.lookup("thickness"))),
+    Cp_(readScalar(coeffs_.lookup("Cp"))),
+    Ct_(readScalar(coeffs_.lookup("Ct"))),
+    upstreamPoint_(coeffs_.lookup("upstreamPoint")),
+    // initialise other member fields
+    upstreamCellId_(-1),
+    V_(0.0)
+{
+    Info << tab << "- creating actuation disk zone: " << this->name() << endl;
+
+    // recover names of fields which are to be fed the sources into
+    coeffs_.lookup("fields") >> fieldNames_;
+    // prepare a list of boolean values for each field - used by the parent class
+    // to determine whether the sources have been applied yet or not.
+    applied_.setSize(fieldNames_.size(), false);
+
+    // Locate the upstream cell used to apply velocity magnitude augment
+    upstreamCellId_ = mesh.findCell(upstreamPoint_);
+
+    // ===
+    // select cells forming part of the actuator disk
+
+    // make sure direction vector is unit length
+    diskDir_ /= mag(diskDir_);
+
+    // Create a dimensioned origin position to use with default OF mesh types
+    dimensionedVector x0 ("x0", dimLength, diskCentre_);
+
+    // compute distance and normal vectors from origin of the disk to use for selection
+    scalarField R (mag(mesh_.C() - x0));
+    vectorField rHat ((mesh_.C() - x0) / mag(mesh_.C() - x0));
+
+    // go over each cell in the grid and comapre it against selection criteria
+    for (label cellI = 0; cellI < mesh_.C().size(); cellI++)
+    {
+        // determine distance from cell centre to disk axis and along the normal direction
+        scalar dNormal = R[cellI] * (rHat[cellI] & diskDir_);
+        scalar dRadial = sqrt(pow(R[cellI], 2.) - pow(dNormal, 2.));
+
+        // see if the cell is within tolerance from the centre of the disk
+        if ((mag(dNormal) < t_/2.) && (dRadial < D_/2.))
+            cells_.append(cellI);
+    }
+
+    // ===
+    // Set volume information
+    V_ = 0.0;
+    forAll(cells_, i)
+        V_ += mesh_.V()[cells_[i]];
+    reduce(V_, sumOp<scalar>());
+
+    // ===
+    // validate inputs
+    checkData();
+
+    Info << tab
+         << "- selected " << returnReduce(cells_.size(), sumOp<label>())
+         << " cell(s) with volume " << V_ << endl;
+}
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+void Foam::fv::customActuationDiskSource::addSup
+(
+    fvMatrix<vector>& eqn,
+    const label fieldi
+)
+{
+    const scalarField& cellsV = mesh_.V();
+    vectorField& Usource = eqn.source();
+    const vectorField& U = eqn.psi();
+
+    if (V() > VSMALL)
+    {
+        calculateMomentumSource
+        (
+            Usource,
+            cells_,
+            cellsV,
+            geometricOneField(),
+            U
+        );
+    }
+}
+
+void Foam::fv::customActuationDiskSource::addSup
+(
+    const volScalarField& rho,
+    fvMatrix<vector>& eqn,
+    const label fieldi
+)
+{
+    const scalarField& cellsV = mesh_.V();
+    vectorField& Usource = eqn.source();
+    const vectorField& U = eqn.psi();
+
+    if (V() > VSMALL)
+    {
+        calculateMomentumSource
+        (
+            Usource,
+            cells_,
+            cellsV,
+            rho,
+            U
+        );
+    }
+}
+
+bool Foam::fv::customActuationDiskSource::read(const dictionary& dict)
+{
+    if (option::read(dict))
+    {
+        coeffs_.readIfPresent("diskDir", diskDir_);
+        coeffs_.readIfPresent("diskCentre", diskCentre_);
+        coeffs_.readIfPresent("D", D_);
+        coeffs_.readIfPresent("thickness", t_);
+        coeffs_.readIfPresent("Cp", Cp_);
+        coeffs_.readIfPresent("Ct", Ct_);
+
+        checkData();
+
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+// ************************************************************************* //