实践作业之OpenFOAM实现cavity算例温度场计算.rar

/*---------------------------------------------------------------------------*\ ========= | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / O peration | Website: https://openfoam.org \\ / A nd | Copyright (C) 2011-2018 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/>. Application myProjectionTemTransFoam Description Transient solver for incompressible, laminar flow of Newtonian fluids. \*---------------------------------------------------------------------------*/ #include "fvCFD.H" #include "fvOptions.H" #include "pisoControl.H" // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // int main(int argc, char *argv[]) { #include "setRootCaseLists.H" #include "createTime.H" #include "createMesh.H" pisoControl piso(mesh); #include "createFields.H" #include "initContinuityErrs.H" // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Info<< "\nStarting time loop\n" << endl; while (runTime.loop()) { Info<< "Time = " << runTime.timeName() << nl << endl; #include "CourantNo.H" // Momentum predictor // First step of myProjection fvVectorMatrix UEqn ( fvm::ddt(U) + fvm::div(phi, U) - fvm::laplacian(nu, U) ); solve(UEqn == -fvc::grad(p)); //if (piso.momentumPredictor()) //{ // solve(UEqn == -fvc::grad(p)); //} //Second step of myProjection U +=mesh.time().deltaT()*fvc::grad(p); U.correctBoundaryConditions(); //Third step of myProjection phi = fvc::flux(U); //phi = fvc::interpolate(U)& mesh.Sf(); fvScalarMatrix pEqn ( fvm::laplacian(mesh.time().deltaT(),p) == fvc::div(phi) ); pEqn.setReference(pRefCell, pRefValue); pEqn.solve(); //Forth step of myProjection phi -= pEqn.flux(); #include "continuityErrs.H" U -= mesh.time().deltaT()*fvc::grad(p); U.correctBoundaryConditions(); //Temperature Transport Equation fvScalarMatrix TEqn ( fvm::ddt(T) + fvm::div(phi, T) - fvm::laplacian(DT, T) ); TEqn.solve(); runTime.write(); Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s" << " ClockTime = " << runTime.elapsedClockTime() << " s" << nl << endl; } Info<< "End\n" << endl; return 0; } // ************************************************************************* //