mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
9221793088
deltaT().value() to deltaTValue()
and
deltaT0().value() to deltaT0Value()
across the whole code - faster to return especially if being used
often, in each call to a submodel for example.
136 lines
4.1 KiB
C
136 lines
4.1 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) 1991-2009 OpenCFD Ltd.
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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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\*---------------------------------------------------------------------------*/
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#include "layeredEngineMesh.H"
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#include "addToRunTimeSelectionTable.H"
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#include "fvcMeshPhi.H"
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#include "surfaceInterpolate.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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defineTypeNameAndDebug(layeredEngineMesh, 0);
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addToRunTimeSelectionTable(engineMesh, layeredEngineMesh, IOobject);
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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layeredEngineMesh::layeredEngineMesh(const IOobject& io)
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:
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engineMesh(io),
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pistonLayers_("pistonLayers", dimLength, 0.0)
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{
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if (engineDB_.engineDict().found("pistonLayers"))
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{
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engineDB_.engineDict().lookup("pistonLayers") >> pistonLayers_;
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}
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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layeredEngineMesh::~layeredEngineMesh()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void layeredEngineMesh::move()
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{
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scalar deltaZ = engineDB_.pistonDisplacement().value();
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Info<< "deltaZ = " << deltaZ << endl;
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// Position of the top of the static mesh layers above the piston
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scalar pistonPlusLayers = pistonPosition_.value() + pistonLayers_.value();
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pointField newPoints = points();
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forAll (newPoints, pointi)
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{
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point& p = newPoints[pointi];
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if (p.z() < pistonPlusLayers) // In piston bowl
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{
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p.z() += deltaZ;
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}
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else if (p.z() < deckHeight_.value()) // In liner region
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{
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p.z() +=
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deltaZ
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*(deckHeight_.value() - p.z())
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/(deckHeight_.value() - pistonPlusLayers);
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}
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}
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if (engineDB_.foundObject<surfaceScalarField>("phi"))
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{
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surfaceScalarField& phi =
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const_cast<surfaceScalarField&>
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(engineDB_.lookupObject<surfaceScalarField>("phi"));
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const volScalarField& rho =
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engineDB_.lookupObject<volScalarField>("rho");
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const volVectorField& U =
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engineDB_.lookupObject<volVectorField>("U");
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bool absolutePhi = false;
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if (moving())
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{
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phi += fvc::interpolate(rho)*fvc::meshPhi(rho, U);
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absolutePhi = true;
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}
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movePoints(newPoints);
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if (absolutePhi)
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{
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phi -= fvc::interpolate(rho)*fvc::meshPhi(rho, U);
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}
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}
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else
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{
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movePoints(newPoints);
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}
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pistonPosition_.value() += deltaZ;
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scalar pistonSpeed = deltaZ/engineDB_.deltaTValue();
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Info<< "clearance: " << deckHeight_.value() - pistonPosition_.value() << nl
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<< "Piston speed = " << pistonSpeed << " m/s" << endl;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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