olb::momenta::InnerEdgeStress3D< plane, normal1, normal2 > Struct Template Reference

Computation of the stress tensor in an inner edge. More...

#include <elements.h>

Collaboration diagram for olb::momenta::InnerEdgeStress3D< plane, normal1, normal2 >:

Public Member Functions
template<typename TYPE , typename CELL , typename RHO , typename U , typename PI , typename V = typename CELL::value_t, typename DESCRIPTOR = typename CELL::descriptor_t>
void	compute (CELL &cell, const RHO &rho, const U &u, PI &pi) any_platform

Static Public Member Functions
static std::string	getName ()

Detailed Description

template<int plane, int normal1, int normal2>
struct olb::momenta::InnerEdgeStress3D< plane, normal1, normal2 >

Computation of the stress tensor in an inner edge.

Definition at line 1317 of file elements.h.

Member Function Documentation

compute()

template<int plane, int normal1, int normal2>

template<typename TYPE , typename CELL , typename RHO , typename U , typename PI , typename V = typename CELL::value_t, typename DESCRIPTOR = typename CELL::descriptor_t>

void olb::momenta::InnerEdgeStress3D< plane, normal1, normal2 >::compute ( CELL & cell, const RHO & rho, const U & u, PI & pi )

inline

Definition at line 1319 of file elements.h.

  {
    V uSqr = util::normSqr<V,DESCRIPTOR::d>(u);
    auto newCell = cell.template getField<descriptors::POPULATION>();
    for (int iPop=0; iPop<DESCRIPTOR::q; ++iPop) {
      if ( (descriptors::c<DESCRIPTOR>(iPop,(plane+1)%3) == -normal1) &&
          (descriptors::c<DESCRIPTOR>(iPop,(plane+2)%3) == -normal2) ) {
        int opp = descriptors::opposite<DESCRIPTOR>(iPop);
        newCell[iPop] = newCell[opp]
                        - equilibrium<DESCRIPTOR>::secondOrder(opp, rho, u, uSqr)
                        + equilibrium<DESCRIPTOR>::secondOrder(iPop, rho, u, uSqr);
      }
    }
    lbm<DESCRIPTOR>::computeStress(newCell, rho, u, pi);
  }

References olb::lbm< DESCRIPTOR >::computeStress(), and olb::equilibrium< DESCRIPTOR >::secondOrder().

Here is the call graph for this function:

getName()

template<int plane, int normal1, int normal2>

static std::string olb::momenta::InnerEdgeStress3D< plane, normal1, normal2 >::getName ( )

inlinestatic

Definition at line 1335 of file elements.h.

                             {
    return "InnerEdgeStress3D";
  }

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

• src/dynamics/momenta/elements.h