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Data transfer between processors

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- Data transfer is done
- contact search at processor boundary is done
- contact force calculation at processor boundary is done
- tests have been done on rotating drum using serial and openMP
This commit is contained in:
HRN
2024-05-12 19:06:53 +03:30
parent e756d471ba
commit 665879f8ca
14 changed files with 483 additions and 77 deletions
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140
src/Interaction/sphereInteraction/boundaries/processorBoundarySphereInteraction/processorBoundarySphereInteraction.cpp
View File

@ -32,42 +32,126 @@ pFlow::MPI::processorBoundarySphereInteraction<cFM, gMM>::processorBoundarySpher
geomMotion
),
masterInteraction_(boundary.isBoundaryMaster())
{}
,
inter_("inter"),
send_("send"),
recv_("recv"),
add_("add")
{
if(masterInteraction_)
{
this->allocatePPPairs();
this->allocatePWPairs();
}
}
template <typename cFM, typename gMM>
bool pFlow::MPI::processorBoundarySphereInteraction<cFM, gMM>::sphereSphereInteraction
(
real dt,
const ContactForceModel &cfModel
const ContactForceModel &cfModel,
uint32 step
)
{
return true;
if(!masterInteraction_) return true;
const auto & sphPar = this->sphParticles();
uint32 thisIndex = this->boundary().thisBoundaryIndex();
pOutput<<"beofre sphereSphereInteraction"<<endl;
pFlow::MPI::processorBoundarySIKernels::sphereSphereInteraction(
dt,
this->ppPairs(),
cfModel,
this->boundary().thisPoints(),
sphPar.diameter().deviceViewAll(),
sphPar.propertyId().deviceViewAll(),
sphPar.velocity().deviceViewAll(),
sphPar.rVelocity().deviceViewAll(),
sphPar.contactForce().deviceViewAll(),
sphPar.contactTorque().deviceViewAll(),
this->boundary().neighborProcPoints().deviceViewAll(),
sphPar.diameter().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
sphPar.propertyId().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
sphPar.velocity().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
sphPar.rVelocity().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
sphPar.contactForce().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
sphPar.contactTorque().BoundaryField(thisIndex).neighborProcField().deviceViewAll()
);
// master processor calculates the contact force/torque and sends data back to the
// neighbor processor (slave processor).
// slave processor recieves the data and adds the data to the internalField
if(masterInteraction_)
{
if(step==1)return true;
pOutput<<"after sphereSphereInteraction"<<endl;
const auto & sphPar = this->sphParticles();
uint32 thisIndex = this->boundary().thisBoundaryIndex();
const auto& cfBndry = static_cast<const processorBoundaryField<realx3>&> (
sphPar.contactForce().BoundaryField(thisIndex));
return true;
const auto& ctBndry = static_cast<const processorBoundaryField<realx3>&> (
sphPar.contactTorque().BoundaryField(thisIndex));
if(step == 2 )
{
iter++;
inter_.start();
pFlow::MPI::processorBoundarySIKernels::sphereSphereInteraction(
dt,
this->ppPairs(),
cfModel,
this->boundary().thisPoints(),
sphPar.diameter().deviceViewAll(),
sphPar.propertyId().deviceViewAll(),
sphPar.velocity().deviceViewAll(),
sphPar.rVelocity().deviceViewAll(),
sphPar.contactForce().deviceViewAll(),
sphPar.contactTorque().deviceViewAll(),
this->boundary().neighborProcPoints().deviceViewAll(),
sphPar.diameter().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
sphPar.propertyId().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
sphPar.velocity().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
sphPar.rVelocity().BoundaryField(thisIndex).neighborProcField().deviceViewAll(),
cfBndry.neighborProcField().deviceViewAll(),
ctBndry.neighborProcField().deviceViewAll()
);
inter_.end();
return true;
}
else if(step == 3 )
{
send_.start();
cfBndry.sendBackData();
ctBndry.sendBackData();
send_.end();
return true;
}
if(iter % 1000 == 0u)
{
pOutput<<"inter "<< inter_.totalTime()<<endl;
pOutput<<"send "<< send_.totalTime()<<endl<<endl;;
}
return false;
}
else
{
const auto & sphPar = this->sphParticles();
uint32 thisIndex = this->boundary().thisBoundaryIndex();
const auto& cfBndry = static_cast<const processorBoundaryField<realx3>&>(
sphPar.contactForce().BoundaryField(thisIndex));
const auto& ctBndry = static_cast<const processorBoundaryField<realx3>&> (
sphPar.contactTorque().BoundaryField(thisIndex));
if(step==1)
{
recv_.start();
cfBndry.recieveBackData();
ctBndry.recieveBackData();
recv_.end();
return false;
}
else if(step == 2)
{
iter++;
return true;
}
else if(step == 3)
{
add_.start();
cfBndry.addBufferToInternalField();
ctBndry.addBufferToInternalField();
add_.end();
return true;
}
if(iter % 1000 == 0u)
{
pOutput<<"recive "<< recv_.totalTime()<<endl;
pOutput<<"add "<< add_.totalTime()<<endl<<endl;
}
return false;
}
return false;
}

10
src/Interaction/sphereInteraction/boundaries/processorBoundarySphereInteraction/processorBoundarySphereInteraction.hpp
View File

@ -21,6 +21,7 @@ Licence:
#define __processorBoundarySphereInteraction_hpp__
#include "boundarySphereInteraction.hpp"
#include "processorBoundaryField.hpp"
namespace pFlow::MPI
{
@ -56,6 +57,12 @@ private:
bool masterInteraction_;
Timer inter_;
Timer send_;
Timer recv_;
Timer add_;
uint32 iter=0;
public:
TypeInfoTemplate22("boundarySphereInteraction", "processor",ContactForceModel, MotionModel);
@ -78,7 +85,8 @@ public:
bool sphereSphereInteraction(
real dt,
const ContactForceModel& cfModel)override;
const ContactForceModel& cfModel,
uint32 step)override;
};