Creation of OpenFOAM-dev repository 15/04/2008

src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/ManualInjection/ManualInjection.C

@@ -0,0 +1,215 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  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
+
+\*---------------------------------------------------------------------------*/
+
+#include "error.H"
+
+#include "ManualInjection.H"
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+template<class CloudType>
+Foam::ManualInjection<CloudType>::ManualInjection
+(
+    const dictionary& dict,
+    CloudType& owner
+)
+:
+    InjectionModel<CloudType>(dict, owner),
+    coeffDict_(dict.subDict(typeName + "Coeffs")),
+    injectionTime_(readScalar(coeffDict_.lookup("injectionTime"))),
+    positionsFile_(coeffDict_.lookup("positionsFile")),
+    positions_
+    (
+        IOobject
+        (
+            positionsFile_,
+            owner.runTime().constant(),
+            owner.mesh(),
+            IOobject::MUST_READ,
+            IOobject::NO_WRITE
+        )
+    ),
+    diameters_(positions_.size()),
+    U0_(coeffDict_.lookup("U0")),
+    parcelPDF_
+    (
+        pdf::New
+        (
+            coeffDict_.subDict("parcelPDF"),
+            owner.rndGen()
+        )
+    )
+{
+    // Construct parcel diameters
+    forAll(diameters_, i)
+    {
+        diameters_[i] = parcelPDF_->sample();
+    }
+
+    // Determine volume of particles to inject
+    volumeTotal_ = sum(pow(diameters_, 3))
+        *mathematicalConstant::pi/6.0;
+}
+
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+template<class CloudType>
+Foam::ManualInjection<CloudType>::~ManualInjection()
+{}
+
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+template<class CloudType>
+bool Foam::ManualInjection<CloudType>::active() const
+{
+    return true;
+}
+
+
+template<class CloudType>
+Foam::scalar Foam::ManualInjection<CloudType>::timeStart() const
+{
+    return injectionTime_;
+}
+
+
+template<class CloudType>
+Foam::scalar Foam::ManualInjection<CloudType>::timeEnd() const
+{
+    // Not used
+    return 0.0;
+}
+
+
+template<class CloudType>
+Foam::vector Foam::ManualInjection<CloudType>::position
+(
+    const label iParcel,
+    const scalar time,
+    const polyMeshInfo& meshInfo,
+    Random&
+) const
+{
+    vector pos = positions_[iParcel];
+    if (meshInfo.caseIs2d())
+    {
+        if (meshInfo.caseIs2dWedge())
+        {
+            pos.component(meshInfo.emptyComponent()) = 0.0;
+        }
+        else if (meshInfo.caseIs2dSlab())
+        {
+            pos.component(meshInfo.emptyComponent()) =
+                meshInfo.centrePoint().component(meshInfo.emptyComponent());
+        }
+        else
+        {
+            FatalErrorIn("Foam::vector Foam::ManualInjection<CloudType>::position")
+                << "Could not determine 2-D case geometry" << nl
+                << abort(FatalError);
+        }
+    }
+
+    return pos;
+}
+
+
+template<class CloudType>
+Foam::label Foam::ManualInjection<CloudType>::nParcelsToInject
+(
+    const label,
+    const scalar time0,
+    const scalar time1
+) const
+{
+    if ((injectionTime_>=time0) && (injectionTime_<time1))
+    {
+        return positions_.size();
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+
+template<class CloudType>
+Foam::scalar Foam::ManualInjection<CloudType>::volume
+(
+    const scalar,
+    const scalar,
+    const polyMeshInfo&
+) const
+{
+    // Since all parcels are introduced at once, volume introduced in this time
+    // interval = total mass
+    return volumeTotal_;
+}
+
+
+template<class CloudType>
+Foam::scalar Foam::ManualInjection<CloudType>::volumeFraction
+(
+    const scalar time0,
+    const scalar time1
+) const
+{
+    if ((injectionTime_>=time0) && (injectionTime_<time1))
+    {
+        return 1;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+
+template<class CloudType>
+Foam::scalar Foam::ManualInjection<CloudType>::d0
+(
+    const label iParcel,
+    const scalar
+) const
+{
+    return diameters_[iParcel];
+}
+
+
+template<class CloudType>
+Foam::vector Foam::ManualInjection<CloudType>::velocity
+(
+    const label,
+    const scalar
+) const
+{
+    return U0_;
+}
+
+
+// ************************************************************************* //