olb::forcing::WellBalancedCahnHilliard::combined_collision< DESCRIPTOR, MOMENTA, EQUILIBRIUM, COLLISION > Struct Template Reference

#include <forcing.h>

Collaboration diagram for olb::forcing::WellBalancedCahnHilliard::combined_collision< DESCRIPTOR, MOMENTA, EQUILIBRIUM, COLLISION >:

Public Types
using	MomentaF = typename MOMENTA::template type<DESCRIPTOR>
using	CollisionO = typename COLLISION::template type<DESCRIPTOR,MOMENTA,EQUILIBRIUM>

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

Detailed Description

template<typename DESCRIPTOR, typename MOMENTA, typename EQUILIBRIUM, typename COLLISION>
struct olb::forcing::WellBalancedCahnHilliard::combined_collision< DESCRIPTOR, MOMENTA, EQUILIBRIUM, COLLISION >

Definition at line 314 of file forcing.h.

Member Typedef Documentation

CollisionO

template<typename DESCRIPTOR , typename MOMENTA , typename EQUILIBRIUM , typename COLLISION >

using olb::forcing::WellBalancedCahnHilliard::combined_collision< DESCRIPTOR, MOMENTA, EQUILIBRIUM, COLLISION >::CollisionO = typename COLLISION::template type<DESCRIPTOR,MOMENTA,EQUILIBRIUM>

Definition at line 316 of file forcing.h.

MomentaF

template<typename DESCRIPTOR , typename MOMENTA , typename EQUILIBRIUM , typename COLLISION >

using olb::forcing::WellBalancedCahnHilliard::combined_collision< DESCRIPTOR, MOMENTA, EQUILIBRIUM, COLLISION >::MomentaF = typename MOMENTA::template type<DESCRIPTOR>

Definition at line 315 of file forcing.h.

Member Function Documentation

apply()

template<typename DESCRIPTOR , typename MOMENTA , typename EQUILIBRIUM , typename COLLISION >

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

CellStatistic< V > olb::forcing::WellBalancedCahnHilliard::combined_collision< DESCRIPTOR, MOMENTA, EQUILIBRIUM, COLLISION >::apply ( CELL & cell, PARAMETERS & parameters )

inline

Definition at line 322 of file forcing.h.

                                                                            {
      V phi = MomentaF().computeRho(cell);
      CollisionO().apply(cell, parameters);
      const auto source = cell.template getField<descriptors::SOURCE>();
      const auto u = cell.template getField<descriptors::VELOCITY>();
      for (int iPop=0; iPop < DESCRIPTOR::q; ++iPop) {
        V c_c{};
        for (int iD=0; iD < DESCRIPTOR::d; ++iD) {
          c_c += descriptors::c<DESCRIPTOR>(iPop,iD)*descriptors::c<DESCRIPTOR>(iPop,iD);
        }
        V sourceTerm{};
        sourceTerm += -V{2} + 0.5*descriptors::invCs2<V,DESCRIPTOR>()*c_c;
        sourceTerm *= descriptors::t<V,DESCRIPTOR>(iPop)*source;
        cell[iPop] += sourceTerm;
      }
      return {phi, util::normSqr<V,DESCRIPTOR::d>(u)};
    };

References olb::descriptors::c(), olb::descriptors::invCs2(), olb::util::normSqr(), and olb::descriptors::t().

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

• src/dynamics/forcing.h