#include <advectionDiffusionBoundaries.h>

Inheritance diagram for olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >:

Collaboration diagram for olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >:

Public Types
using	MomentaF = typename MOMENTA::template type<DESCRIPTOR>

using	parameters = typename DYNAMICS::parameters

template<typename M >
using	exchange_momenta = AdvectionDiffusionBoundariesDynamics<T,DESCRIPTOR,DYNAMICS,M,direction,orientation>

Public Types inherited from olb::dynamics::CustomCollision< T, DESCRIPTOR, MOMENTA >
using	value_t = T

using	descriptor_t = DESCRIPTOR

using	MomentaF = typename MOMENTA::template type<DESCRIPTOR>

Public Types inherited from olb::Dynamics< T, DESCRIPTOR >
using	value_t = T

using	descriptor_t = DESCRIPTOR

Public Member Functions
std::type_index	id () override
	Expose unique type-identifier for RTTI.

AbstractParameters< T, DESCRIPTOR > &	getParameters (BlockLattice< T, DESCRIPTOR > &block) override
	Parameters access for legacy post processors.

template<typename CELL , typename PARAMETERS , typename V = typename CELL::value_t>
CellStatistic< V >	apply (CELL &cell, PARAMETERS &parameters) any_platform

T	computeEquilibrium (int iPop, T rho, const T u[DESCRIPTOR::d]) const override any_platform
	Return iPop equilibrium for given first and second momenta.

std::string	getName () const override
	Return human-readable name.

Public Member Functions inherited from olb::dynamics::CustomCollision< T, DESCRIPTOR, MOMENTA >
void	initialize (Cell< T, DESCRIPTOR > &cell) override
	Initialize dynamics-specific data for cell.

T	computeRho (ConstCell< T, DESCRIPTOR > &cell) const override
	Compute particle density.

void	computeU (ConstCell< T, DESCRIPTOR > &cell, T u[DESCRIPTOR::d]) const override
	Compute fluid velocity.

void	computeJ (ConstCell< T, DESCRIPTOR > &cell, T j[DESCRIPTOR::d]) const override
	Compute fluid momentum.

void	computeStress (ConstCell< T, DESCRIPTOR > &cell, T rho, const T u[DESCRIPTOR::d], T pi[util::TensorVal< DESCRIPTOR >::n]) const override
	Compute stress tensor.

void	computeRhoU (ConstCell< T, DESCRIPTOR > &cell, T &rho, T u[DESCRIPTOR::d]) const override
	Compute fluid velocity and particle density.

void	computeAllMomenta (ConstCell< T, DESCRIPTOR > &cell, T &rho, T u[DESCRIPTOR::d], T pi[util::TensorVal< DESCRIPTOR >::n]) const override
	Compute all momenta up to second order.

void	defineRho (Cell< T, DESCRIPTOR > &cell, T rho) override
	Set particle density.

void	defineU (Cell< T, DESCRIPTOR > &cell, const T u[DESCRIPTOR::d]) override
	Set fluid velocity.

void	defineRhoU (Cell< T, DESCRIPTOR > &cell, T rho, const T u[DESCRIPTOR::d]) override
	Define fluid velocity and particle density.

void	defineAllMomenta (Cell< T, DESCRIPTOR > &cell, T rho, const T u[DESCRIPTOR::d], const T pi[util::TensorVal< DESCRIPTOR >::n]) override
	Define all momenta up to second order.

void	inverseShiftRhoU (ConstCell< T, DESCRIPTOR > &cell, T &rho, T u[DESCRIPTOR::d]) const override
	Calculate population momenta s.t. the physical momenta are reproduced by the computeRhoU.

Public Member Functions inherited from olb::Dynamics< T, DESCRIPTOR >
virtual	~Dynamics () any_platform

virtual CellStatistic< T >	collide (Cell< T, DESCRIPTOR > &cell)
	Perform purely-local collision step on Cell interface (legacy, to be deprecated)

void	iniEquilibrium (Cell< T, DESCRIPTOR > &cell, T rho, const T u[DESCRIPTOR::d])
	Initialize to equilibrium distribution.

void	iniRegularized (Cell< T, DESCRIPTOR > &cell, T rho, const T u[DESCRIPTOR::d], const T pi[util::TensorVal< DESCRIPTOR >::n])
	Initialize cell to equilibrium and non-equilibrum part.

Detailed Description

template<typename T, typename DESCRIPTOR, typename DYNAMICS, typename MOMENTA, int direction, int orientation>
struct olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >

Definition at line 40 of file advectionDiffusionBoundaries.h.

Member Typedef Documentation

◆ exchange_momenta

template<typename T , typename DESCRIPTOR , typename DYNAMICS , typename MOMENTA , int direction, int orientation>

template<typename M >

using olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::exchange_momenta = AdvectionDiffusionBoundariesDynamics<T,DESCRIPTOR,DYNAMICS,M,direction,orientation>

Definition at line 46 of file advectionDiffusionBoundaries.h.

◆ MomentaF

template<typename T , typename DESCRIPTOR , typename DYNAMICS , typename MOMENTA , int direction, int orientation>

using olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::MomentaF = typename MOMENTA::template type<DESCRIPTOR>

Definition at line 41 of file advectionDiffusionBoundaries.h.

◆ parameters

template<typename T , typename DESCRIPTOR , typename DYNAMICS , typename MOMENTA , int direction, int orientation>

using olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::parameters = typename DYNAMICS::parameters

Definition at line 43 of file advectionDiffusionBoundaries.h.

Member Function Documentation

◆ apply()

template<typename T , typename DESCRIPTOR , typename DYNAMICS , typename MOMENTA , int direction, int orientation>

template<typename CELL , typename PARAMETERS , typename V = typename CELL::value_t>

CellStatistic< V > olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::apply	(	CELL &	cell,
		PARAMETERS &	parameters )

inline

Definition at line 57 of file advectionDiffusionBoundaries.h.

                                                                          {
    V dirichletTemperature = MomentaF().computeRho(cell);
 
    // Placeholder - the index calculation of this section can and should be done at compile time
    constexpr auto unknownIndices = util::subIndexOutgoing<DESCRIPTOR, direction, orientation>();
    constexpr auto knownIndices = util::subIndexOutgoingRemaining<DESCRIPTOR, direction, orientation>();
 
    if constexpr ((DESCRIPTOR::d == 3 && DESCRIPTOR::q == 7)||(DESCRIPTOR::d == 2 && DESCRIPTOR::q == 5)) {
      static_assert(unknownIndices.size() == 1 && knownIndices.size() == DESCRIPTOR::q - 1,
                    "More than one population missing");
      V sum = V{0};
      for (unsigned iPop : knownIndices) {
        sum += cell[iPop];
      }
 
      // on cell there are non-shifted values -> temperature has to be changed
      V difference = dirichletTemperature - V{1} - sum;
      cell[unknownIndices[0]] = difference;
      return typename DYNAMICS::template exchange_momenta<MOMENTA>::CollisionO().apply(cell, parameters);
    }
    else {
      auto u = cell.template getField<descriptors::VELOCITY>();
      // part for q=19 copied from AdvectionDiffusionEdgesDynamics.collide()
      // but here just all missing directions, even at border of inlet area
      // has to be checked!
      for (unsigned iPop : unknownIndices) {
        cell[iPop] =
          equilibrium<DESCRIPTOR>::template firstOrder(iPop, dirichletTemperature, u)
          - (cell[descriptors::opposite<DESCRIPTOR>(iPop)]
             - equilibrium<DESCRIPTOR>::template firstOrder(
               descriptors::opposite<DESCRIPTOR>(iPop),
               dirichletTemperature, u));
      }
      return {-1,-1};
    }
  };

References olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::apply().

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◆ computeEquilibrium()

template<typename T , typename DESCRIPTOR , typename DYNAMICS , typename MOMENTA , int direction, int orientation>

T olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::computeEquilibrium	(	int	iPop,
		T	rho,
		const T	u[DESCRIPTOR::d] ) const

inlineoverridevirtual

Return iPop equilibrium for given first and second momenta.

Implements olb::Dynamics< T, DESCRIPTOR >.

Definition at line 94 of file advectionDiffusionBoundaries.h.

                                                                                            {
    return equilibrium<DESCRIPTOR>::template firstOrder(iPop, rho, u);
  };

◆ getName()

template<typename T , typename DESCRIPTOR , typename DYNAMICS , typename MOMENTA , int direction, int orientation>

std::string olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::getName ( ) const

inlineoverridevirtual

Return human-readable name.

Reimplemented from olb::Dynamics< T, DESCRIPTOR >.

Definition at line 98 of file advectionDiffusionBoundaries.h.

                                     {
    return "AdvectionDiffusionBoundariesDynamics";
  };

◆ getParameters()

template<typename T , typename DESCRIPTOR , typename DYNAMICS , typename MOMENTA , int direction, int orientation>

AbstractParameters< T, DESCRIPTOR > & olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::getParameters ( BlockLattice< T, DESCRIPTOR > & block )

inlineoverridevirtual

Parameters access for legacy post processors.

Implements olb::Dynamics< T, DESCRIPTOR >.

Definition at line 52 of file advectionDiffusionBoundaries.h.

                                                                                              {
    return block.template getData<OperatorParameters<AdvectionDiffusionBoundariesDynamics>>();
  }

◆ id()

template<typename T , typename DESCRIPTOR , typename DYNAMICS , typename MOMENTA , int direction, int orientation>

std::type_index olb::AdvectionDiffusionBoundariesDynamics< T, DESCRIPTOR, DYNAMICS, MOMENTA, direction, orientation >::id ( )

inlineoverridevirtual

Expose unique type-identifier for RTTI.

Implements olb::Dynamics< T, DESCRIPTOR >.

Definition at line 48 of file advectionDiffusionBoundaries.h.

                              {
    return typeid(AdvectionDiffusionBoundariesDynamics);
  };

The documentation for this struct was generated from the following file:

src/boundary/dynamics/advectionDiffusionBoundaries.h

Public Types

Public Member Functions

Detailed Description

Member Typedef Documentation

◆ exchange_momenta

◆ MomentaF

◆ parameters

Member Function Documentation

◆ apply()

◆ computeEquilibrium()

◆ getName()

◆ getParameters()

◆ id()