# PhasicFlow: utilities/postprocessPhasicFlow/fieldOperations.hpp Source File
PhasicFlow is an open-source parallel DEM (discrete element method) package for simulating granular flow. It is developed in C++ and can be exectued on both GPU (like CUDA) and CPU.

fieldOperations.hpp
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/*------------------------------- phasicFlow ---------------------------------
O C enter of
O O E ngineering and
O O M ultiscale modeling of
OOOOOOO F luid flow
------------------------------------------------------------------------------
Copyright (C): www.cemf.ir
email: hamid.r.norouzi AT gmail.com
------------------------------------------------------------------------------
Licence:
This file is part of phasicFlow code. It is a free software for simulating
granular and multiphase flows. You can redistribute it and/or modify it under
the terms of GNU General Public License v3 or any other later versions.
phasicFlow is distributed to help others in their research in the field of
granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-----------------------------------------------------------------------------*/
#ifndef __fieldOperations_hpp__
#define __fieldOperations_hpp__
#include "rectMeshFields.hpp"
#include "pointFields.hpp"
#include "pointRectCell.hpp"
#include "includeMask.hpp"
namespace pFlow
{
template<typename T>
uniquePtr<rectMeshField_H<T>> sumOp( pointField_H<T>& field, pointRectCell& pointToCell)
{
// create field
auto& mesh = pointToCell.mesh();
auto iterator = pointToCell.getCellIterator();
auto f = field.deviceView();
auto resultsPtr = makeUnique<rectMeshField_H<T>>(mesh, T(0));
auto& results = resultsPtr();
for(int32 i=0; i<mesh.nx(); i++)
{
for(int32 j=0; j<mesh.ny(); j++)
{
for(int32 k=0; k<mesh.nz(); k++)
{
uint32 n = iterator.start(i,j,k);
T res (0);
while(n != cellMapper::NoPos)
{
res += f[n];
n = iterator.getNext(n);
}
results(i,j,k) = res;
}
}
}
return resultsPtr;
}
template<typename T, typename incMask>
uniquePtr<rectMeshField_H<T>> sumMaksOp( pointField_H<T>& field, pointRectCell& pointToCell, const incMask& mask)
{
// create field
auto& mesh = pointToCell.mesh();
auto iterator = pointToCell.getCellIterator();
auto f = field.deviceView();
auto resultsPtr = makeUnique<rectMeshField_H<T>>(mesh, T(0));
auto& results = resultsPtr();
for(int32 i=0; i<mesh.nx(); i++)
{
for(int32 j=0; j<mesh.ny(); j++)
{
for(int32 k=0; k<mesh.nz(); k++)
{
//auto [loop, n] = pointToCell.startLoop(i,j,k);
uint32 n = iterator.start(i,j,k);
T res (0);
while(n!= cellMapper::NoPos)
{
if(mask(n))
{
res += f[n];
}
n = iterator.getNext(n);
}
results(i,j,k) = res;
}
}
}
return resultsPtr;
}
}
#endif //__fieldOperations_hpp__
pFlow::pointRectCell::mesh
auto & mesh()
Definition: pointRectCell.hpp:81
includeMask.hpp
pFlow::uint32
unsigned int uint32
Definition: builtinTypes.hpp:56
pFlow::sumMaksOp
uniquePtr< rectMeshField_H< T > > sumMaksOp(pointField_H< T > &field, pointRectCell &pointToCell, const incMask &mask)
Definition: fieldOperations.hpp:66
pointFields.hpp
pFlow::pointRectCell::getCellIterator
auto getCellIterator() const
Definition: pointRectCell.hpp:127
pointRectCell.hpp
pFlow
Definition: demGeometry.hpp:27
pFlow::pointField
Definition: pointField.hpp:33
pFlow::int32
int int32
Definition: builtinTypes.hpp:50
pFlow::pointRectCell
Definition: pointRectCell.hpp:32
rectMeshFields.hpp
n
uint32 n
Definition: NBSLoop.hpp:24
pFlow::cellMapper::NoPos
static constexpr uint32 NoPos
Definition: cellMapper.hpp:42
pFlow::uniquePtr
Definition: uniquePtr.hpp:42
pFlow::sumOp
uniquePtr< rectMeshField_H< T > > sumOp(pointField_H< T > &field, pointRectCell &pointToCell)
Definition: fieldOperations.hpp:34
pFlow::internalField< T, void >::deviceView
auto deviceView() const
Definition: internalField.hpp:97