olb::momenta::GuoZhaoMomentum Struct Reference

#include <elements.h>

Collaboration diagram for olb::momenta::GuoZhaoMomentum:

Public Member Functions
template<typename TYPE , typename CELL , typename J , typename DESCRIPTOR = typename CELL::descriptor_t>
void	compute (CELL &cell, J &j) any_platform
template<typename TYPE , typename CELL , typename U , typename V = typename CELL::value_t, typename DESCRIPTOR = typename CELL::descriptor_t>
void	computeU (CELL &cell, U &u) any_platform
template<typename TYPE , typename CELL , typename U >
void	define (CELL &cell, const U &u) any_platform
template<typename TYPE , typename CELL >
void	initialize (CELL &cell) any_platform
template<typename TYPE , typename CELL , typename U >
void	inverseShift (CELL &cell, U &u) any_platform

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

Detailed Description

Definition at line 758 of file elements.h.

Member Function Documentation

compute()

template<typename TYPE , typename CELL , typename J , typename DESCRIPTOR = typename CELL::descriptor_t>

void olb::momenta::GuoZhaoMomentum::compute ( CELL & cell, J & j )

inline

Definition at line 761 of file elements.h.

  {
    lbm<DESCRIPTOR>::computeJ(cell, j);
  }

References olb::lbm< DESCRIPTOR >::computeJ().

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computeU()

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

void olb::momenta::GuoZhaoMomentum::computeU ( CELL & cell, U & u )

inline

Definition at line 768 of file elements.h.

  {
    lbm<DESCRIPTOR>::computeU(cell, u);
 
    const V epsilon = cell.template getField<descriptors::EPSILON>();
    const V nu      = cell.template getField<descriptors::NU>();
    const V k       = cell.template getField<descriptors::K>();
 
    auto bodyF = cell.template getFieldPointer<descriptors::BODY_FORCE>();
 
    for (int iDim=0; iDim<DESCRIPTOR::d; ++iDim) {
      u[iDim] += 0.5*epsilon*bodyF[iDim];
    }
 
    const V uMag = util::sqrt( util::normSqr<V,DESCRIPTOR::d>(u) );
    const V Fe = 0.;//1.75/util::sqrt(150.*util::pow(epsilon,3));
 
    const V c_0 = 0.5*(1 + 0.5*epsilon*nu/k);
    const V c_1 = 0.5*epsilon*Fe/util::sqrt(k);
 
    for (int iDim=0; iDim<DESCRIPTOR::d; ++iDim) {
      u[iDim] /= (c_0 + util::sqrt(c_0*c_0 + c_1*uMag));
    }
  }

References olb::util::sqrt().

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define()

template<typename TYPE , typename CELL , typename U >

void olb::momenta::GuoZhaoMomentum::define ( CELL & cell, const U & u )

inline

Definition at line 795 of file elements.h.

{ }

getName()

static std::string olb::momenta::GuoZhaoMomentum::getName ( )

inlinestatic

Definition at line 803 of file elements.h.

                             {
    return "GuoZhaoMomentum";
  }

initialize()

template<typename TYPE , typename CELL >

void olb::momenta::GuoZhaoMomentum::initialize ( CELL & cell )

inline

Definition at line 798 of file elements.h.

{ }

inverseShift()

template<typename TYPE , typename CELL , typename U >

void olb::momenta::GuoZhaoMomentum::inverseShift ( CELL & cell, U & u )

inline

Definition at line 801 of file elements.h.

{};

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

• src/dynamics/momenta/elements.h