peclet::core::amr::MomentumMG< Bits > Class Template Reference

#include <momentum.hpp>

Public Types
using	Octree = BlockOctree< 3, Bits >
using	M = typename Octree::M
using	Code = typename Octree::Code

Public Member Functions
void	build (const Octree &finest, const std::vector< double > &diag0, const std::vector< Index > &start0, const std::vector< Index > &nbr0, const std::vector< double > &coef0)
	Build the Galerkin hierarchy from the finest octree + the assembled fine operator CSR (diag + face CSR, as produced by AmrCutCell::assembleOperator).
void	setGaussSeidel (bool on)
	Opt-in: use multicolour Gauss–Seidel as the smoother (per-level colouring built at build) instead of weighted Jacobi — ~2× better smoothing, fewer V-cycles.
void	vcycle (int pre=2, int post=2, int bottom=30, double omega=0.7, std::size_t L=0)
	One V-cycle on level L solving A u = b (correction scheme).
std::size_t	numLevels () const
Index	numLeaves (std::size_t L=0) const
View< double >	x (std::size_t L=0)
View< double >	b (std::size_t L=0)
const MomentumOp &	op (std::size_t L=0) const

Detailed Description

template<unsigned Bits = 21u>
class peclet::core::amr::MomentumMG< Bits >

Definition at line 262 of file momentum.hpp.

Member Typedef Documentation

Octree

template<unsigned Bits = 21u>

using peclet::core::amr::MomentumMG< Bits >::Octree = BlockOctree<3, Bits>

Definition at line 264 of file momentum.hpp.

M

template<unsigned Bits = 21u>

using peclet::core::amr::MomentumMG< Bits >::M = typename Octree::M

Definition at line 265 of file momentum.hpp.

Code

template<unsigned Bits = 21u>

using peclet::core::amr::MomentumMG< Bits >::Code = typename Octree::Code

Definition at line 266 of file momentum.hpp.

Member Function Documentation

build()

template<unsigned Bits = 21u>

void peclet::core::amr::MomentumMG< Bits >::build ( const Octree &  finest, const std::vector< double > &  diag0, const std::vector< Index > &  start0, const std::vector< Index > &  nbr0, const std::vector< double > &  coef0  )

inline

Build the Galerkin hierarchy from the finest octree + the assembled fine operator CSR (diag + face CSR, as produced by AmrCutCell::assembleOperator).

Definition at line 270 of file momentum.hpp.

References peclet::core::toDevice().

setGaussSeidel()

template<unsigned Bits = 21u>

void peclet::core::amr::MomentumMG< Bits >::setGaussSeidel ( bool  on )

inline

Opt-in: use multicolour Gauss–Seidel as the smoother (per-level colouring built at build) instead of weighted Jacobi — ~2× better smoothing, fewer V-cycles.

Default off (Jacobi).

Definition at line 375 of file momentum.hpp.

vcycle()

template<unsigned Bits = 21u>

void peclet::core::amr::MomentumMG< Bits >::vcycle ( int  pre = 2, int  post = 2, int  bottom = 30, double  omega = 0.7, std::size_t  L = 0  )

inline

One V-cycle on level L solving A u = b (correction scheme).

Definition at line 378 of file momentum.hpp.

References peclet::core::amr::prolongAdd(), peclet::core::amr::residualMom(), peclet::core::amr::restrictField(), and peclet::core::amr::MomentumMG< Bits >::vcycle().

Referenced by peclet::core::amr::MomentumMG< Bits >::vcycle().

numLevels()

template<unsigned Bits = 21u>

std::size_t peclet::core::amr::MomentumMG< Bits >::numLevels ( ) const

inline

Definition at line 395 of file momentum.hpp.

numLeaves()

template<unsigned Bits = 21u>

Index peclet::core::amr::MomentumMG< Bits >::numLeaves ( std::size_t  L = 0 ) const

inline

Definition at line 396 of file momentum.hpp.

x()

template<unsigned Bits = 21u>

View< double > peclet::core::amr::MomentumMG< Bits >::x ( std::size_t  L = 0 )

inline

Definition at line 397 of file momentum.hpp.

b()

template<unsigned Bits = 21u>

View< double > peclet::core::amr::MomentumMG< Bits >::b ( std::size_t  L = 0 )

inline

Definition at line 398 of file momentum.hpp.

op()

template<unsigned Bits = 21u>

const MomentumOp & peclet::core::amr::MomentumMG< Bits >::op ( std::size_t  L = 0 ) const

inline

Definition at line 399 of file momentum.hpp.

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

• momentum.hpp