mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
1d85fecf4d
- makes the intent clearer and avoids the need for additional
constructor casting. Eg,
labelList(10, Zero) vs. labelList(10, 0)
scalarField(10, Zero) vs. scalarField(10, scalar(0))
vectorField(10, Zero) vs. vectorField(10, vector::zero)
130 lines
3.9 KiB
C
130 lines
3.9 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) 2011-2016 OpenFOAM Foundation
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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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "fvMotionSolverEngineMesh.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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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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defineTypeNameAndDebug(fvMotionSolverEngineMesh, 0);
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addToRunTimeSelectionTable(engineMesh, fvMotionSolverEngineMesh, IOobject);
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::fvMotionSolverEngineMesh::fvMotionSolverEngineMesh(const IOobject& io)
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:
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engineMesh(io),
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pistonLayers_("pistonLayers", dimLength, Zero),
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motionSolver_
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(
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*this,
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engineDB_.engineDict()
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)
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{
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engineDB_.engineDict().readIfPresent("pistonLayers", pistonLayers_);
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::fvMotionSolverEngineMesh::~fvMotionSolverEngineMesh()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void Foam::fvMotionSolverEngineMesh::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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scalar pistonSpeed = deltaZ/engineDB_.deltaTValue();
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motionSolver_.pointMotionU().boundaryFieldRef()[pistonIndex_] ==
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pistonSpeed;
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{
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scalarField linerPoints
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(
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boundary()[linerIndex_].patch().localPoints().component(vector::Z)
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);
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motionSolver_.pointMotionU().boundaryFieldRef()[linerIndex_] ==
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pistonSpeed*pos0(deckHeight_.value() - linerPoints)
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*(deckHeight_.value() - linerPoints)
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/(deckHeight_.value() - pistonPlusLayers);
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}
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motionSolver_.solve();
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if (engineDB_.foundObject<surfaceScalarField>("phi"))
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{
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surfaceScalarField& phi =
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engineDB_.lookupObjectRef<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(motionSolver_.curPoints());
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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(motionSolver_.curPoints());
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}
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pistonPosition_.value() += deltaZ;
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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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