256 lines
6.7 KiB
C
256 lines
6.7 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2010 Hrvoje Jasak
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Application
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interFoamPressure
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Author
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Hrvoje Jasak, Wikki Ltd. All rights reserved.
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Description
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Calculate static pressure from interFoam results
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "interfaceProperties.H"
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#include "twoPhaseMixture.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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# include "addTimeOptions.H"
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# include "setRootCase.H"
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# include "createTime.H"
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// Get times list
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instantList Times = runTime.times();
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// set startTime and endTime depending on -time and -latestTime options
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# include "checkTimeOptions.H"
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runTime.setTime(Times[startTime], startTime);
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# include "createMesh.H"
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# include "readGravitationalAcceleration.H"
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const dictionary& piso = mesh.solutionDict().subDict("PISO");
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label pRefCell = 0;
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scalar pRefValue = 0.0;
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int nNonOrthCorr = 0;
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if (piso.found("nNonOrthogonalCorrectors"))
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{
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nNonOrthCorr = readInt(piso.lookup("nNonOrthogonalCorrectors"));
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}
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for (label i = startTime; i < endTime; i++)
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{
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runTime.setTime(Times[i], i);
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Info<< "Time = " << runTime.timeName() << endl;
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IOobject pdHeader
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(
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"pd",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ
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);
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IOobject gammaHeader
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(
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"gamma",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ
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);
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IOobject Uheader
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(
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"U",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ
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);
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IOobject phiHeader
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(
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"phi",
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ
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);
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// Check all fields exists
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if
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(
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pdHeader.headerOk()
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&& gammaHeader.headerOk()
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&& Uheader.headerOk()
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&& phiHeader.headerOk()
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)
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{
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mesh.readUpdate();
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Info<< " Reading pd" << endl;
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volScalarField pd(pdHeader, mesh);
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Info<< " Reading gamma" << endl;
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volScalarField gamma(gammaHeader, mesh);
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Info<< " Reading U" << endl;
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volVectorField U(Uheader, mesh);
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Info<< " Reading phi" << endl;
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surfaceScalarField phi(phiHeader, mesh);
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Info<< "Reading transportProperties\n" << endl;
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twoPhaseMixture twoPhaseProperties(U, phi, "gamma");
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twoPhaseProperties.correct();
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// Construct interface from gamma distribution
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interfaceProperties interface(gamma, U, twoPhaseProperties);
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// Create momentum matrix
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const dimensionedScalar& rho1 = twoPhaseProperties.rho1();
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const dimensionedScalar& rho2 = twoPhaseProperties.rho2();
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volScalarField rho
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(
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IOobject
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(
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"rho",
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runTime.timeName(),
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mesh,
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IOobject::READ_IF_PRESENT
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),
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gamma*rho1 + (scalar(1) - gamma)*rho2,
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gamma.boundaryField().types()
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);
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surfaceScalarField rhoPhi
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(
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IOobject
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(
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"rho*phi",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::NO_WRITE
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),
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fvc::interpolate(rho)*phi
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);
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surfaceScalarField muf = twoPhaseProperties.muf();
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fvVectorMatrix UEqn
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(
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fvm::ddt(rho, U)
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+ fvm::div(rhoPhi, U)
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- fvm::laplacian(muf, U)
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- (fvc::grad(U) & fvc::grad(muf))
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==
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interface.sigmaK()*fvc::grad(gamma)
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+ rho*g
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);
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// Solve for static pressure
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volScalarField p
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(
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IOobject
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(
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"p",
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runTime.timeName(),
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mesh,
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IOobject::READ_IF_PRESENT,
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IOobject::NO_WRITE
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),
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pd
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);
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setRefCell(p, piso, pRefCell, pRefValue);
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volScalarField rUA = 1.0/UEqn.A();
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surfaceScalarField rUAf = fvc::interpolate(rUA);
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U = rUA*UEqn.H();
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phi = fvc::interpolate(U) & mesh.Sf();
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for(int nonOrth = 0; nonOrth <= nNonOrthCorr; nonOrth++)
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{
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fvScalarMatrix pEqn
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(
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fvm::laplacian(rUAf, p) == fvc::div(phi)
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);
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pEqn.setReference(pRefCell, pRefValue);
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pEqn.solve();
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}
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Info << "Writing p" << endl;
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p.write();
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}
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else
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{
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Info << "Not all fields are present. " << endl;
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if (!pdHeader.headerOk())
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{
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Info << "pd ";
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}
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if (!gammaHeader.headerOk())
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{
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Info << "gamma ";
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}
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if (!Uheader.headerOk())
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{
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Info << "U ";
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}
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if (!phiHeader.headerOk())
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{
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Info << "phi ";
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}
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Info << "missing." << endl;
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}
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}
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Info<< "End\n" << endl;
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return(0);
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}
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// ************************************************************************* //
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