olb::momenta::InnerCornerStress2D< normalX, normalY > Struct Template Reference

Computation of the stress tensor in an inner corner (2D case) More...

#include <elements.h>

Collaboration diagram for olb::momenta::InnerCornerStress2D< normalX, normalY >:

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, RHO &rho, const U &u, PI &pi) any_platform

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

Detailed Description

template<int normalX, int normalY>
struct olb::momenta::InnerCornerStress2D< normalX, normalY >

Computation of the stress tensor in an inner corner (2D case)

Definition at line 1260 of file elements.h.

Member Function Documentation

compute()

template<int normalX, int normalY>

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::InnerCornerStress2D< normalX, normalY >::compute ( CELL & cell, RHO & rho, const U & u, PI & pi )

inline

Definition at line 1262 of file elements.h.

  {
    FieldD<V,DESCRIPTOR,descriptors::POPULATION> newCell(
      cell.template getField<descriptors::POPULATION>());
    int v[DESCRIPTOR::d] = { -normalX, -normalY };
    int unknownF  = util::findVelocity<DESCRIPTOR >(v);
 
    if (unknownF != DESCRIPTOR::q) {
      int oppositeF = descriptors::opposite<DESCRIPTOR>(unknownF);
 
      V uSqr = util::normSqr<V,DESCRIPTOR::d>(u);
 
      newCell[unknownF] = newCell[oppositeF]
                          - equilibrium<DESCRIPTOR>::secondOrder(oppositeF, rho, u, uSqr)
                          + equilibrium<DESCRIPTOR>::secondOrder(unknownF, 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 normalX, int normalY>

static std::string olb::momenta::InnerCornerStress2D< normalX, normalY >::getName ( )

inlinestatic

Definition at line 1282 of file elements.h.

                             {
    return "InnerCornerStress2D";
  }

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

• src/dynamics/momenta/elements.h