olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS > Class Template Reference

#include <reactionPostProcessor2D.h>

Inheritance diagram for olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >:

Collaboration diagram for olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >:

Public Member Functions
	ReactionPostProcessor2D (int x0, int x1, int y0, int y1, std::vector< std::shared_ptr< Rate< T > > > rate, std::shared_ptr< REACTIONS > reactions, std::vector< BlockStructureD< 2 > * > partners)
	ReactionPostProcessor2D (std::vector< std::shared_ptr< Rate< T > > > rate, std::shared_ptr< REACTIONS > reactions, std::vector< BlockStructureD< 2 > * > partners)
int	extent () const override
	Extent of application area (0 for purely local operations)
int	extent (int whichDirection) const override
	Extent of application area along a direction (0 or 1)
void	process (BlockLattice< T, DESCRIPTOR > &blockLattice) override
	Execute post-processing step.
void	processSubDomain (BlockLattice< T, DESCRIPTOR > &blockLattice, int x0, int x1, int y0, int y1) override
	Execute post-processing step on a sublattice.
Public Member Functions inherited from olb::PostProcessor2D< T, DESCRIPTOR >
	PostProcessor2D ()
virtual	~PostProcessor2D ()
std::string &	getName ()
	read and write access to name
std::string const &	getName () const
	read only access to name
int	getPriority () const
	read only access to priority

Additional Inherited Members
Protected Attributes inherited from olb::PostProcessor2D< T, DESCRIPTOR >
int	_priority

Detailed Description

template<typename T, typename DESCRIPTOR, typename REACTIONS>
class olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >

Definition at line 41 of file reactionPostProcessor2D.h.

Constructor & Destructor Documentation

ReactionPostProcessor2D() [1/2]

template<typename T , typename DESCRIPTOR , typename REACTIONS >

olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >::ReactionPostProcessor2D	(	int	x0,
		int	x1,
		int	y0,
		int	y1,
		std::vector< std::shared_ptr< Rate< T > > >	rate,
		std::shared_ptr< REACTIONS >	reactions,
		std::vector< BlockStructureD< 2 > * >	partners )

Definition at line 37 of file reactionPostProcessor2D.hh.

  : _x0(x0), _x1(x1), _y0(y0), _y1(y1),
    _rate(rate), _reactions(reactions), _partners(partners)
{
  std::size_t iReaction = 0;
  _sizes = std::vector<std::size_t>(std::tuple_size_v<REACTIONS>);
  meta::tuple_for_each(*_reactions.get(), [&](auto& line){
    using line_type = typename std::remove_reference_t<decltype(line)>;
    _sizes[iReaction++] = std::tuple_size_v<line_type>;
  });
  if (std::accumulate(_sizes.begin(), _sizes.end(), std::size_t(0)) != partners.size()) {
    throw std::invalid_argument("The number of species must equate the number of input lattices.");
  }
}

References olb::meta::tuple_for_each().

Here is the call graph for this function:

ReactionPostProcessor2D() [2/2]

template<typename T , typename DESCRIPTOR , typename REACTIONS >

olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >::ReactionPostProcessor2D	(	std::vector< std::shared_ptr< Rate< T > > >	rate,
		std::shared_ptr< REACTIONS >	reactions,
		std::vector< BlockStructureD< 2 > * >	partners )

Definition at line 55 of file reactionPostProcessor2D.hh.

  : ReactionPostProcessor2D<T,DESCRIPTOR,REACTIONS>(0,0,0,0,rate,reactions,partners)
{}

Member Function Documentation

extent() [1/2]

template<typename T , typename DESCRIPTOR , typename REACTIONS >

int olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >::extent ( ) const

inlineoverridevirtual

Extent of application area (0 for purely local operations)

Implements olb::PostProcessor2D< T, DESCRIPTOR >.

Definition at line 48 of file reactionPostProcessor2D.h.

  {
    return 1;
  }

extent() [2/2]

template<typename T , typename DESCRIPTOR , typename REACTIONS >

int olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >::extent ( int direction ) const

inlineoverridevirtual

Extent of application area along a direction (0 or 1)

Implements olb::PostProcessor2D< T, DESCRIPTOR >.

Definition at line 52 of file reactionPostProcessor2D.h.

  {
    return 1;
  }

process()

template<typename T , typename DESCRIPTOR , typename REACTIONS >

void olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >::process ( BlockLattice< T, DESCRIPTOR > & blockLattice )

overridevirtual

Execute post-processing step.

Implements olb::PostProcessor2D< T, DESCRIPTOR >.

Definition at line 77 of file reactionPostProcessor2D.hh.

{
  processSubDomain(blockLattice, _x0, _x1, _y0, _y1);
}

processSubDomain()

template<typename T , typename DESCRIPTOR , typename REACTIONS >

void olb::ReactionPostProcessor2D< T, DESCRIPTOR, REACTIONS >::processSubDomain ( BlockLattice< T, DESCRIPTOR > & blockLattice, int x0_, int x1_, int y0_, int y1_ )

overridevirtual

Execute post-processing step on a sublattice.

Implements olb::PostProcessor2D< T, DESCRIPTOR >.

Definition at line 83 of file reactionPostProcessor2D.hh.

{
  int newX0, newX1, newY0, newY1;
  if ( util::intersect ( _x0, _x1, _y0, _y1,
                         x0, x1, y0, y1,
                         newX0, newX1, newY0, newY1 ) ) {
 
    for (int iX=newX0-1; iX<=newX1+1; ++iX) {
      for (int iY=newY0-1; iY<=newY1+1; ++iY) {
 
        // storing the old values of the local field from the partner lattices & resetting the sources
        std::vector<T> fields_asSingleVector;
        functOverReactions(_partners, [&](auto& elem, auto& component){
          fields_asSingleVector.push_back( elem.getField(component, iX, iY) );
          elem.resetSource(component, iX, iY);
        });
 
        // computing the rates from the old values of the local fields as per rate's own law
        std::size_t iPartner = 0;
        std::vector<std::tuple<T,BlockStructureD<2>*>> ratePartner;
        for (std::size_t iReaction=0; iReaction<_sizes.size(); ++iReaction) {
          auto reagents_begin = fields_asSingleVector.begin() + std::accumulate(_sizes.begin(), _sizes.begin()+iReaction, 0);
          std::vector<T> reagents = { reagents_begin, reagents_begin + _sizes[iReaction] };
          T rate_thisReaction = _rate[iReaction]->compute(reagents);
          for (std::size_t iReagent=0; iReagent<_sizes[iReaction]; ++iReagent) {
            ratePartner.push_back(std::make_tuple(rate_thisReaction, _partners[iPartner++]));
          }
        }
 
        // updating local field in the partner lattice: source = sum_i rate_i*coeff
        functOverReactions(ratePartner, [&](auto& elem, auto& component){
          elem.incrementSource(std::get<1>(component), std::get<0>(component) * elem.getStoichioCoeff(), iX, iY);
        });
      }
    }
  }
}

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The documentation for this class was generated from the following files:

• src/reaction/reactionPostProcessor2D.h
• src/reaction/reactionPostProcessor2D.hh