mirror of
https://github.com/PhasicFlow/phasicFlow.git
synced 2025-07-28 03:27:05 +00:00
course graining added
This commit is contained in:
alireza Hosseini
@ -0,0 +1,70 @@
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/*------------------------------- phasicFlow ---------------------------------
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O C enter of
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O O E ngineering and
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O O M ultiscale modeling of
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OOOOOOO F luid flow
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------------------------------------------------------------------------------
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Copyright (C): www.cemf.ir
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email: hamid.r.norouzi AT gmail.com
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------------------------------------------------------------------------------
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Licence:
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This file is part of phasicFlow code. It is a free software for simulating
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granular and multiphase flows. You can redistribute it and/or modify it under
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the terms of GNU General Public License v3 or any other later versions.
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phasicFlow is distributed to help others in their research in the field of
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granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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-----------------------------------------------------------------------------*/
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#include "periodicBoundarySIKernels.hpp"
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template <typename cFM, typename gMM>
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pFlow::periodicBoundaryGrainInteraction<cFM, gMM>::periodicBoundaryGrainInteraction(
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const boundaryBase &boundary,
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const grainParticles &grnPrtcls,
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const GeometryMotionModel &geomMotion)
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: boundaryGrainInteraction<cFM,gMM>(boundary, grnPrtcls, geomMotion),
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transferVec_(boundary.mirrorBoundary().displacementVectroToMirror())
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{
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if(boundary.thisBoundaryIndex()%2==1)
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{
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masterInteraction_ = true;
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this->allocatePPPairs();
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this->allocatePWPairs();
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}
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else
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{
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masterInteraction_ = false;
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}
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}
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template <typename cFM, typename gMM>
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bool pFlow::periodicBoundaryGrainInteraction<cFM, gMM>::grainGrainInteraction
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(
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real dt,
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const ContactForceModel &cfModel,
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uint32 step
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)
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{
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if(!masterInteraction_) return false;
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pFlow::periodicBoundarySIKernels::grainGrainInteraction(
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dt,
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this->ppPairs(),
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cfModel,
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transferVec_,
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this->boundary().thisPoints(),
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this->mirrorBoundary().thisPoints(),
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this->grnParticles().diameter().deviceViewAll(),
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this->grnParticles().coarseGrainFactor().deviceViewAll(),
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this->grnParticles().propertyId().deviceViewAll(),
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this->grnParticles().velocity().deviceViewAll(),
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this->grnParticles().rVelocity().deviceViewAll(),
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this->grnParticles().contactForce().deviceViewAll(),
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this->grnParticles().contactTorque().deviceViewAll());
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return false;
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}
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@ -0,0 +1,96 @@
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/*------------------------------- phasicFlow ---------------------------------
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O C enter of
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O O E ngineering and
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O O M ultiscale modeling of
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OOOOOOO F luid flow
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------------------------------------------------------------------------------
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Copyright (C): www.cemf.ir
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email: hamid.r.norouzi AT gmail.com
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------------------------------------------------------------------------------
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Licence:
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This file is part of phasicFlow code. It is a free software for simulating
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granular and multiphase flows. You can redistribute it and/or modify it under
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the terms of GNU General Public License v3 or any other later versions.
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phasicFlow is distributed to help others in their research in the field of
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granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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-----------------------------------------------------------------------------*/
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#ifndef __periodicBoundaryGrainInteraction_hpp__
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#define __periodicBoundaryGrainInteraction_hpp__
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#include "boundaryGrainInteraction.hpp"
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namespace pFlow
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{
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template<typename contactForceModel,typename geometryMotionModel>
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class periodicBoundaryGrainInteraction
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:
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public boundaryGrainInteraction<contactForceModel, geometryMotionModel>
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{
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public:
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using PBSInteractionType =
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periodicBoundaryGrainInteraction<contactForceModel,geometryMotionModel>;
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using BSInteractionType =
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boundaryGrainInteraction<contactForceModel, geometryMotionModel>;
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using GeometryMotionModel = typename BSInteractionType::GeometryMotionModel;
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using ContactForceModel = typename BSInteractionType::ContactForceModel;
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using MotionModel = typename geometryMotionModel::MotionModel;
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using ModelStorage = typename ContactForceModel::contactForceStorage;
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using IdType = typename BSInteractionType::IdType;
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using IndexType = typename BSInteractionType::IndexType;
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using ContactListType = typename BSInteractionType::ContactListType;
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private:
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realx3 transferVec_;
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bool masterInteraction_;
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public:
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TypeInfoTemplate22("boundaryGrainInteraction", "periodic",ContactForceModel, MotionModel);
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periodicBoundaryGrainInteraction(
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const boundaryBase& boundary,
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const grainParticles& grnPrtcls,
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const GeometryMotionModel& geomMotion
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);
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add_vCtor
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(
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BSInteractionType,
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PBSInteractionType,
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boundaryBase
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);
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~periodicBoundaryGrainInteraction()override = default;
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bool grainGrainInteraction(
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real dt,
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const ContactForceModel& cfModel,
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uint32 step)override;
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};
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}
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#include "periodicBoundaryGrainInteraction.cpp"
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#endif //__periodicBoundaryGrainInteraction_hpp__
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@ -0,0 +1,121 @@
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namespace pFlow::periodicBoundarySIKernels
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{
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template<typename ContactListType, typename ContactForceModel>
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inline
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void grainGrainInteraction
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(
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real dt,
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const ContactListType& cntctList,
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const ContactForceModel& forceModel,
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const realx3& transferVec,
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const deviceScatteredFieldAccess<realx3>& thisPoints,
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const deviceScatteredFieldAccess<realx3>& mirrorPoints,
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const deviceViewType1D<real>& diam,
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const deviceViewType1D<real>& coarseGrainFactor,
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const deviceViewType1D<uint32>& propId,
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const deviceViewType1D<realx3>& vel,
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const deviceViewType1D<realx3>& rVel,
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const deviceViewType1D<realx3>& cForce,
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const deviceViewType1D<realx3>& cTorque
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)
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{
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using ValueType = typename ContactListType::ValueType;
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uint32 ss = cntctList.size();
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uint32 lastItem = cntctList.loopCount();
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if(lastItem == 0u)return;
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Kokkos::parallel_for(
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"pFlow::periodicBoundarySIKernels::grainGrainInteraction",
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deviceRPolicyDynamic(0,lastItem),
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LAMBDA_HD(uint32 n)
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{
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if(!cntctList.isValid(n))return;
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auto [i,j] = cntctList.getPair(n);
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uint32 ind_i = thisPoints.index(i);
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uint32 ind_j = mirrorPoints.index(j);
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real Ri = 0.5*diam[ind_i];
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real Rj = 0.5*diam[ind_j];
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real cGFi = coarseGrainFactor[ind_i];
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real cGFj = coarseGrainFactor[ind_j];
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realx3 xi = thisPoints.field()[ind_i];
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realx3 xj = mirrorPoints.field()[ind_j]+transferVec;
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real dist = length(xj-xi);
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real ovrlp = (Ri+Rj) - dist;
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if( ovrlp >0.0 )
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{
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auto Nij = (xj-xi)/dist;
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auto wi = rVel[ind_i];
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auto wj = rVel[ind_j];
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auto Vr = vel[ind_i] - vel[ind_j] + cross((Ri*wi+Rj*wj), Nij);
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auto history = cntctList.getValue(n);
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int32 propId_i = propId[ind_i];
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int32 propId_j = propId[ind_j];
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realx3 FCn, FCt, Mri, Mrj, Mij, Mji;
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// calculates contact force
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forceModel.contactForce(
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dt, i, j,
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propId_i, propId_j,
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Ri, Rj, cGFi , cGFj ,
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ovrlp,
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Vr, Nij,
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history,
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FCn, FCt);
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forceModel.rollingFriction(
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dt, i, j,
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propId_i, propId_j,
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Ri, Rj, cGFi , cGFj ,
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wi, wj,
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Nij,
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FCn,
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Mri, Mrj);
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auto M = cross(Nij,FCt);
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Mij = Ri*M+Mri;
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Mji = Rj*M+Mrj;
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auto FC = FCn + FCt;
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Kokkos::atomic_add(&cForce[ind_i].x_,FC.x_);
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Kokkos::atomic_add(&cForce[ind_i].y_,FC.y_);
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Kokkos::atomic_add(&cForce[ind_i].z_,FC.z_);
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Kokkos::atomic_add(&cForce[ind_j].x_,-FC.x_);
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Kokkos::atomic_add(&cForce[ind_j].y_,-FC.y_);
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Kokkos::atomic_add(&cForce[ind_j].z_,-FC.z_);
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Kokkos::atomic_add(&cTorque[ind_i].x_, Mij.x_);
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Kokkos::atomic_add(&cTorque[ind_i].y_, Mij.y_);
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Kokkos::atomic_add(&cTorque[ind_i].z_, Mij.z_);
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Kokkos::atomic_add(&cTorque[ind_j].x_, Mji.x_);
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Kokkos::atomic_add(&cTorque[ind_j].y_, Mji.y_);
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Kokkos::atomic_add(&cTorque[ind_j].z_, Mji.z_);
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cntctList.setValue(n,history);
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}
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else
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{
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cntctList.setValue(n, ValueType());
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}
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});
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Kokkos::fence();
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}
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} //pFlow::periodicBoundarySIKernels
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