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release on 2013-01-22_13-56-19
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82
README
82
README
@ -1,82 +0,0 @@
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/*---------------------------------------------------------------------------*\
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CFDEMcoupling - Open Source CFD-DEM coupling
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CFDEMcoupling is part of the CFDEMproject
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www.cfdem.com
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Christoph Goniva, christoph.goniva@cfdem.com
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Copyright 2009-2012 JKU Linz
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Copyright 2012- DCS Computing GmbH, Linz
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-------------------------------------------------------------------------------
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License
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This file is part of CFDEMcoupling.
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CFDEMcoupling 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 3 of the License, or (at your
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option) any later version.
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CFDEMcoupling 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 CFDEMcoupling; 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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Description
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This code is designed to realize coupled CFD-DEM simulations using LIGGGHTS
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and OpenFOAM. Note: this code is not part of OpenFOAM (see DISCLAIMER).
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\*---------------------------------------------------------------------------*/
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CFDEM coupling provides an open source parallel coupled CFD-DEM framework
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combining the strengths of LIGGGHTS DEM code and the Open Source
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CFD package OpenFOAM(R)(*). The CFDEMcoupling toolbox allows to expand
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standard CFD solvers of OpenFOAM(R)(*) to include a coupling to the DEM
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code LIGGGHTS. In this toolbox the particle representation within the
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CFD solver is organized by "cloud" classes. Key functionalities are organised
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in sub-models (e.g. force models, data exchange models, etc.) which can easily
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be selected and combined by dictionary settings.
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The coupled solvers run fully parallel on distributed-memory clusters.
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Features are:
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- its modular approach allows users to easily implement new models
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- its MPI parallelization enables to use it for large scale problems
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- the "forum"_lws on CFD-DEM gives the possibility to exchange with other
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users / developers
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- the use of GIT allows to easily update to the latest version
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- basic documentation is provided
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The file structure:
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- "src" directory including the source files of the coupling toolbox and models
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- "applications" directory including the solver files for coupled CFD-DEM simulations
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- "doc" directory including the documentation of CFDEMcoupling
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- "tutorials" directory including basic tutorial cases showing the functionality
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Details on installation are given on the "www.cfdem.com"
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The functionality of this CFD-DEM framwork is described via "tutorial cases" showing
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how to use different solvers and models.
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CFDEMcoupling stands for Computational Fluid Dynamics (CFD) -
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Discrete Element Method (DEM) coupling.
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CFDEMcoupling is an open-source code, distributed freely under the terms of the
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GNU Public License (GPL).
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Core development of CFDEMcoupling is done by
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Christoph Goniva and Christoph Kloss, both at DCS Computing GmbH, 2012
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\*---------------------------------------------------------------------------*/
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(*) "OpenFOAM(R)"_of is a registered trade mark of Silicon Graphics
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International Corp. This offering is not affiliated, approved or endorsed by
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Silicon Graphics International Corp., the producer of the OpenFOAM(R) software
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and owner of the OpenFOAM(R) trademark.
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\*---------------------------------------------------------------------------*/
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@ -6,7 +6,6 @@ voidFractionModels = subModels/voidFractionModel
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locateModels = subModels/locateModel
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meshMotionModels = subModels/meshMotionModel
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momCoupleModels = subModels/momCoupleModel
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regionModels = subModels/regionModel
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dataExchangeModels = subModels/dataExchangeModel
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averagingModels = subModels/averagingModel
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clockModels = subModels/clockModel
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@ -20,18 +19,33 @@ $(forceModels)/forceModel/forceModel.C
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$(forceModels)/forceModel/newForceModel.C
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$(forceModels)/noDrag/noDrag.C
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$(forceModels)/DiFeliceDrag/DiFeliceDrag.C
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$(forceModels)/DiFeliceDragNLift/DiFeliceDragNLift.C
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$(forceModels)/GidaspowDrag/GidaspowDrag.C
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$(forceModels)/SchillerNaumannDrag/SchillerNaumannDrag.C
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$(forceModels)/Archimedes/Archimedes.C
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$(forceModels)/ArchimedesIB/ArchimedesIB.C
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$(forceModels)/interface/interface.C
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$(forceModels)/ShirgaonkarIB/ShirgaonkarIB.C
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$(forceModels)/fieldTimeAverage/fieldTimeAverage.C
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$(forceModels)/fieldBound/fieldBound.C
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$(forceModels)/volWeightedAverage/volWeightedAverage.C
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$(forceModels)/totalMomentumExchange/totalMomentumExchange.C
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$(forceModels)/KochHillDrag/KochHillDrag.C
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$(forceModels)/BeetstraDrag/multiphaseFlowBasic/multiphaseFlowBasic.C
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$(forceModels)/BeetstraDrag/BeetstraDrag.C
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$(forceModels)/LaEuScalarLiquid/LaEuScalarLiquid.C
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$(forceModels)/LaEuScalarTemp/LaEuScalarTemp.C
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$(forceModels)/LaEuScalarDust/LaEuScalarDust.C
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$(forceModels)/virtualMassForce/virtualMassForce.C
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$(forceModels)/gradPForce/gradPForce.C
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$(forceModels)/gradULiftForce/gradULiftForce.C
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$(forceModels)/viscForce/viscForce.C
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$(forceModels)/MeiLift/MeiLift.C
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$(forceModels)/KochHillDragNLift/KochHillDragNLift.C
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$(forceModels)/solidsPressureForce/solidsPressureForce.C
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$(forceModels)/periodicPressure/periodicPressure.C
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$(forceModels)/periodicPressureControl/periodicPressureControl.C
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$(forceModels)/averageSlipVel/averageSlipVel.C
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$(forceModelsMS)/forceModelMS/forceModelMS.C
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$(forceModelsMS)/forceModelMS/newForceModelMS.C
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@ -42,6 +56,7 @@ $(IOModels)/IOModel/newIOModel.C
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$(IOModels)/noIO/noIO.C
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$(IOModels)/basicIO/basicIO.C
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$(IOModels)/trackIO/trackIO.C
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$(IOModels)/sophIO/sophIO.C
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$(voidFractionModels)/voidFractionModel/voidFractionModel.C
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$(voidFractionModels)/voidFractionModel/newVoidFractionModel.C
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@ -60,21 +75,18 @@ $(locateModels)/turboEngineSearch/turboEngineSearch.C
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$(locateModels)/turboEngineSearchM2M/turboEngineSearchM2M.C
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$(locateModels)/engineSearchIB/engineSearchIB.C
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$(meshMotionModels)/meshMotionModel/meshMotionModel.C
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$(meshMotionModels)/meshMotionModel/newMeshMotionModel.C
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$(meshMotionModels)/noMeshMotion/noMeshMotion.C
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$(meshMotionModels)/DEMdrivenMeshMotion/DEMdrivenMeshMotion.C
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$(momCoupleModels)/momCoupleModel/momCoupleModel.C
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$(momCoupleModels)/momCoupleModel/newMomCoupleModel.C
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$(momCoupleModels)/explicitCouple/explicitCouple.C
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$(momCoupleModels)/explicitCoupleSource/explicitCoupleSource.C
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$(momCoupleModels)/implicitCouple/implicitCouple.C
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$(momCoupleModels)/noCouple/noCouple.C
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$(regionModels)/regionModel/regionModel.C
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$(regionModels)/regionModel/newRegionModel.C
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$(regionModels)/allRegion/allRegion.C
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$(dataExchangeModels)/dataExchangeModel/dataExchangeModel.C
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$(dataExchangeModels)/dataExchangeModel/newDataExchangeModel.C
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$(dataExchangeModels)/oneWayVTK/oneWayVTK.C
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@ -122,6 +122,7 @@ twoWayM2M::twoWayM2M
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// m2m stuff
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firstRun_=true;
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safeRun_=false;
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lmp2foam_ = NULL;
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lmp2foam_vec_ = NULL;
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foam2lmp_vec_ = NULL;
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@ -141,6 +142,7 @@ twoWayM2M::twoWayM2M
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lost_posAll = NULL;
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cellID_foam_ = NULL;
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pos_foam_ = NULL;
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if (propsDict_.found("safeRun")) safeRun_=true;
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}
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@ -747,9 +749,13 @@ void Foam::twoWayM2M::locateParticle() const
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// stage 3 - all-to-all
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particleCloud_.clockM().start(9,"locate_Stage3");
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particleCloud_.clockM().start(10,"locate_Stage3.1");
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// check if all-to-all is necessary
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int nlocal_foam_lostAll;
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MPI_Allreduce(&nlocal_foam_lost_, &nlocal_foam_lostAll, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
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int nlocal_foam_lostAll(-1);
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if (firstRun_ || safeRun_)
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MPI_Allreduce(&nlocal_foam_lost_, &nlocal_foam_lostAll, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
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particleCloud_.clockM().stop("locate_Stage3.1");
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if (nlocal_foam_lostAll > 0)
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{
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@ -90,6 +90,7 @@ private:
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// new vars
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mutable bool firstRun_;
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bool safeRun_;
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mutable Many2Many * lmp2foam_;
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mutable Many2Many * lmp2foam_vec_;
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mutable Many2Many * foam2lmp_vec_;
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@ -121,8 +121,8 @@ void KochHillDrag::setForce
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scalar Vs(0);
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scalar volumefraction(0);
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interpolationCellPoint<scalar> voidfractionInterpolator_(voidfraction_);
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interpolationCellPoint<vector> UInterpolator_(U_);
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//interpolationCellPoint<scalar> voidfractionInterpolator_(voidfraction_);
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//interpolationCellPoint<vector> UInterpolator_(U_);
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for(int index = 0;index < particleCloud_.numberOfParticles(); index++)
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{
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@ -133,7 +133,7 @@ void KochHillDrag::setForce
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if (cellI > -1) // particle Found
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{
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if(interpolation_)
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/*if(interpolation_)
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{
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position = particleCloud_.position(index);
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voidfraction = voidfractionInterpolator_.interpolate(position,cellI);
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@ -142,7 +142,7 @@ void KochHillDrag::setForce
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// Info << " --> voidfraction: " << voidfraction << endl;
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if(voidfraction>1.00) voidfraction = 1.00;
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if(voidfraction<0.40) voidfraction = 0.40;
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}else
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}else*/
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{
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voidfraction = particleCloud_.voidfraction(index);
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Ufluid = U_[cellI];
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