olb::fd::DirectedGradients2D< T, DESCRIPTOR, direction, orientation, false > Struct Template Reference

#include <finiteDifference2D.h>

Collaboration diagram for olb::fd::DirectedGradients2D< T, DESCRIPTOR, direction, orientation, false >:

Static Public Member Functions
static void	interpolateVector (T velDeriv[DESCRIPTOR::d], BlockLattice< T, DESCRIPTOR > const &blockLattice, int iX, int iY)
static void	interpolateScalar (T &rhoDeriv, BlockLattice< T, DESCRIPTOR > const &blockLattice, int iX, int iY)
template<typename CELL >
static void	interpolateVector (T velDeriv[DESCRIPTOR::d], CELL &cell) any_platform

Detailed Description

template<typename T, typename DESCRIPTOR, int direction, int orientation>
struct olb::fd::DirectedGradients2D< T, DESCRIPTOR, direction, orientation, false >

Definition at line 155 of file finiteDifference2D.h.

Member Function Documentation

interpolateScalar()

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

static void olb::fd::DirectedGradients2D< T, DESCRIPTOR, direction, orientation, false >::interpolateScalar ( T & rhoDeriv, BlockLattice< T, DESCRIPTOR > const & blockLattice, int iX, int iY )

inlinestatic

Definition at line 177 of file finiteDifference2D.h.

  {
    using namespace fd;
 
    int deriveDirection = 1-direction;
    T rho_p1 = blockLattice.get (
                 iX+(deriveDirection==0 ? 1:0),
                 iY+(deriveDirection==1 ? 1:0) ).computeRho();
    T rho_m1 = blockLattice.get (
                 iX+(deriveDirection==0 ? (-1):0),
                 iY+(deriveDirection==1 ? (-1):0) ).computeRho();
 
    rhoDeriv = centralGradient(rho_p1, rho_m1);
 
  }

References olb::fd::centralGradient(), and olb::BlockLattice< T, DESCRIPTOR >::get().

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interpolateVector() [1/2]

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

static void olb::fd::DirectedGradients2D< T, DESCRIPTOR, direction, orientation, false >::interpolateVector ( T velDeriv[DESCRIPTOR::d], BlockLattice< T, DESCRIPTOR > const & blockLattice, int iX, int iY )

inlinestatic

Definition at line 156 of file finiteDifference2D.h.

  {
    using namespace fd;
 
    T u_p1[DESCRIPTOR::d], u_m1[DESCRIPTOR::d];
 
    int deriveDirection = 1-direction;
    blockLattice.get (
      iX+(deriveDirection==0 ? 1:0),
      iY+(deriveDirection==1 ? 1:0) ).computeU(u_p1);
    blockLattice.get (
      iX+(deriveDirection==0 ? (-1):0),
      iY+(deriveDirection==1 ? (-1):0) ).computeU(u_m1);
 
    for (int iD=0; iD<DESCRIPTOR::d; ++iD) {
      velDeriv[iD] = fd::centralGradient(u_p1[iD],u_m1[iD]);
    }
  }

References olb::fd::centralGradient(), and olb::BlockLattice< T, DESCRIPTOR >::get().

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interpolateVector() [2/2]

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

template<typename CELL >

static void olb::fd::DirectedGradients2D< T, DESCRIPTOR, direction, orientation, false >::interpolateVector ( T velDeriv[DESCRIPTOR::d], CELL & cell )

inlinestatic

Definition at line 196 of file finiteDifference2D.h.

  {
    using namespace fd;
 
    T u_p1[DESCRIPTOR::d], u_m1[DESCRIPTOR::d];
 
    int deriveDirection = 1-direction;
    cell.neighbor({(deriveDirection==0 ? 1:0),
                   (deriveDirection==1 ? 1:0)}).computeU(u_p1);
    cell.neighbor({(deriveDirection==0 ? (-1):0),
                   (deriveDirection==1 ? (-1):0)}).computeU(u_m1);
 
    for (int iD=0; iD<DESCRIPTOR::d; ++iD) {
      velDeriv[iD] = centralGradient(u_p1[iD],u_m1[iD]);
    }
  }

References olb::fd::centralGradient().

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

• src/utilities/finiteDifference2D.h