Provide basic functionalities to set up an AMR hierarchy. More...

#include <AMReX_AmrCore.H>

Inheritance diagram for amrex::AmrCore:

Public Member Functions
	AmrCore ()

	AmrCore (const RealBox rb, int max_level_in, const Vector< int > &n_cell_in, int coord=-1, Vector< IntVect > ref_ratios=Vector< IntVect >(), const int is_per=nullptr)

	AmrCore (const RealBox &rb, int max_level_in, const Vector< int > &n_cell_in, int coord, Vector< IntVect > const &ref_ratios, Array< int, AMREX_SPACEDIM > const &is_per)

	AmrCore (Geometry const &level_0_geom, AmrInfo const &amr_info)

	AmrCore (AmrCore &&rhs) noexcept

AmrCore &	operator= (AmrCore &&rhs) noexcept

	AmrCore (const AmrCore &rhs)=delete

AmrCore &	operator= (const AmrCore &rhs)=delete

	~AmrCore () override

void	InitFromScratch (Real time)
	Initialize BoxArray, DistributionMapping and data from scratch. Calling this function requires the derive class implement its own MakeNewLevelFromScratch to allocate and initialize data. Also note usually one needs to average the fine data down to coarse level after this. More...

virtual void	regrid (int lbase, Real time, bool initial=false)
	Rebuild levels finer than lbase. More...

void	printGridSummary (std::ostream &os, int min_lev, int max_lev) const noexcept

Public Member Functions inherited from amrex::AmrMesh
	AmrMesh ()

	AmrMesh (const RealBox rb, int max_level_in, const Vector< int > &n_cell_in, int coord=-1, Vector< IntVect > refrat=Vector< IntVect >(), const int is_per=nullptr)

	AmrMesh (const RealBox &rb, int max_level_in, const Vector< int > &n_cell_in, int coord, Vector< IntVect > const &a_refrat, Array< int, AMREX_SPACEDIM > const &is_per)

	AmrMesh (Geometry const &level_0_geom, AmrInfo const &amr_info)

	AmrMesh (const AmrMesh &rhs)=delete

AmrMesh &	operator= (const AmrMesh &rhs)=delete

	AmrMesh (AmrMesh &&rhs)=default

AmrMesh &	operator= (AmrMesh &&rhs)=default

virtual	~AmrMesh ()=default

int	Verbose () const noexcept

int	maxLevel () const noexcept
	Return the max level. More...

int	finestLevel () const noexcept
	Return the finest level. More...

IntVect	refRatio (int lev) const noexcept
	Return the refinement ratio for level lev. More...

int	MaxRefRatio (int lev) const noexcept
	Return the maximum refinement ratio in any direction. More...

const Vector< IntVect > &	refRatio () const noexcept
	Return refinement ratios between all levels. More...

const Vector< Geometry > &	Geom () const noexcept

const Vector< DistributionMapping > &	DistributionMap () const noexcept

const Vector< BoxArray > &	boxArray () const noexcept

const Geometry &	Geom (int lev) const noexcept

const DistributionMapping &	DistributionMap (int lev) const noexcept

const BoxArray &	boxArray (int lev) const noexcept

Vector< Geometry >	Geom (int a_coarsest_lev, int a_finest_lev) const noexcept

Vector< BoxArray >	boxArray (int a_coarsest_lev, int a_finest_lev) const noexcept

Vector< DistributionMapping >	DistributionMap (int a_coarsest_lev, int a_finest_lev) const noexcept

Vector< Geometry > &	Geom () noexcept

Geometry &	Geom (int lev) noexcept

void	SetMaxGridSize (int new_mgs) noexcept

void	SetMaxGridSize (const IntVect &new_mgs) noexcept

void	SetMaxGridSize (const Vector< int > &new_mgs) noexcept

void	SetMaxGridSize (const Vector< IntVect > &new_mgs) noexcept

void	SetBlockingFactor (int new_bf) noexcept

void	SetBlockingFactor (const IntVect &new_bf) noexcept

void	SetBlockingFactor (const Vector< int > &new_bf) noexcept

void	SetBlockingFactor (const Vector< IntVect > &new_bf) noexcept

void	SetGridEff (Real eff) noexcept

void	SetNProper (int n) noexcept

void	SetFinestLevel (int new_finest_level) noexcept
	Set ref_ratio would require rebuilding Geometry objects. More...

void	SetDistributionMap (int lev, const DistributionMapping &dmap_in) noexcept

void	SetBoxArray (int lev, const BoxArray &ba_in) noexcept

void	SetGeometry (int lev, const Geometry &geom_in) noexcept

int	GetLevel (Box const &domain) noexcept
	Given domain box, return AMR level. Return -1 if there is no match. More...

void	ClearDistributionMap (int lev) noexcept

void	ClearBoxArray (int lev) noexcept

int	nErrorBuf (int lev, int direction=0) const noexcept
	Return the number of buffer cells (as a single integer) in error estimator. More...

const IntVect &	nErrorBufVect (int lev) const noexcept
	Return the number of buffer cells (as an IntVect) in error estimator. More...

Real	gridEff () const noexcept
	Return the minimum allowable grid efficiency. More...

int	nProper () const noexcept
	Return the number of cells to define proper nesting. More...

const IntVect &	blockingFactor (int lev) const noexcept
	Return the blocking factor at level lev. More...

const IntVect &	maxGridSize (int lev) const noexcept
	Return the largest allowable grid. More...

bool	LevelDefined (int lev) noexcept

bool	useFixedCoarseGrids () const noexcept
	Should we keep the coarser grids fixed (and not regrid those levels) at all? More...

int	useFixedUpToLevel () const noexcept
	Up to what level should we keep the coarser grids fixed (and not regrid those levels)? More...

void	ChopGrids (int lev, BoxArray &ba, int target_size) const
	"Try" to chop up grids so that the number of boxes in the BoxArray is greater than the target_size. More...

BoxArray	MakeBaseGrids () const
	Make a level 0 grids covering the whole domain. It does NOT install the new grids. More...

void	MakeNewGrids (int lbase, Real time, int &new_finest, Vector< BoxArray > &new_grids)
	Make new grids based on error estimates. This function expects that valid BoxArrays exist in this->grids from level lbase to level this->finest_level (the current finest level). new_grids. On return, the new finest level is stored in new_finest, and the new grids are stored in new_grids from Array element lbase+1 to new_finest_level (unless fixed grids are used). Note that this function adds at most one more level to the existing levels, and it may remove all levels above the base level. This function does not change the value of this->finest_level, nor does it modifies any BoxArrays stored in this->grids. It also does not modify new_grids's elements outside the range [lbase+1,new_finest_level]. More...

void	MakeNewGrids (Real time=0.0)
	This function makes new grid for all levels (including level 0). More...

virtual void	ManualTagsPlacement (int, TagBoxArray &, const Vector< IntVect > &)
	Manually tag. Note that tags is built on level lev grids coarsened by bf_lev[lev]. More...

virtual void	PostProcessBaseGrids (BoxArray &) const

virtual BoxArray	GetAreaNotToTag (int)

long	CountCells (int lev) noexcept

virtual DistributionMapping	MakeDistributionMap (int lev, BoxArray const &ba)

Protected Member Functions
void	ErrorEst (int lev, TagBoxArray &tags, Real time, int ngrow) override=0
	Tag cells for refinement. TagBoxArray tags is built on level lev grids. More...

void	MakeNewLevelFromScratch (int lev, Real time, const BoxArray &ba, const DistributionMapping &dm) override=0

virtual void	MakeNewLevelFromCoarse (int lev, Real time, const BoxArray &ba, const DistributionMapping &dm)=0
	Make a new level using provided BoxArray and DistributionMapping and fill with interpolated coarse level data. More...

virtual void	RemakeLevel (int lev, Real time, const BoxArray &ba, const DistributionMapping &dm)=0
	Remake an existing level using provided BoxArray and DistributionMapping and fill with existing fine and coarse data. More...

virtual void	ClearLevel (int lev)=0
	Delete level data. More...

Protected Member Functions inherited from amrex::AmrMesh
void	checkInput ()

void	SetIterateToFalse () noexcept

void	SetUseNewChop () noexcept

Private Member Functions
void	InitAmrCore ()

Additional Inherited Members
Protected Attributes inherited from amrex::AmrMesh
int	finest_level
	Current finest level. More...

Vector< Geometry >	geom

Vector< DistributionMapping >	dmap

Vector< BoxArray >	grids

unsigned int	num_setdm = 0

unsigned int	num_setba = 0

Protected Attributes inherited from amrex::AmrInfo
int	verbose = 0

int	max_level = 0
	Maximum allowed level. More...

Vector< IntVect >	ref_ratio {{IntVect(2)}}
	Refinement ratios. More...

Vector< IntVect >	blocking_factor {{IntVect(8)}}
	Blocking factor in grid generation (by level). More...

Vector< IntVect >	max_grid_size {{IntVect(AMREX_D_PICK(128,128,32))}}
	Maximum allowable grid size (by level). More...

Vector< IntVect >	n_error_buf {{IntVect(1)}}
	Buffer cells around each tagged cell. More...

Real	grid_eff = static_cast<Real>(0.7)
	Grid efficiency. More...

int	n_proper = 1
	Cells required for proper nesting. More...

int	use_fixed_upto_level = 0

bool	use_fixed_coarse_grids = false

bool	refine_grid_layout = true

IntVect	refine_grid_layout_dims = IntVect(1)

bool	check_input = true

bool	use_new_chop = false

bool	iterate_on_new_grids = true

Detailed Description

Provide basic functionalities to set up an AMR hierarchy.

Because it does not own any floating point data, AmrCore used virtual functions to allocate, initialize and delete data. It also requires the derived class to tag cells for refinement.

Constructor & Destructor Documentation

◆ AmrCore() [1/6]

amrex::AmrCore::AmrCore ( )

◆ AmrCore() [2/6]

amrex::AmrCore::AmrCore	(	const RealBox *	rb,
		int	max_level_in,
		const Vector< int > &	n_cell_in,
		int	coord = `-1`,
		Vector< IntVect >	ref_ratios = `Vector<IntVect>()`,
		const int *	is_per = `nullptr`
	)

◆ AmrCore() [3/6]

amrex::AmrCore::AmrCore	(	const RealBox &	rb,
		int	max_level_in,
		const Vector< int > &	n_cell_in,
		int	coord,
		Vector< IntVect > const &	ref_ratios,
		Array< int, AMREX_SPACEDIM > const &	is_per
	)

◆ AmrCore() [4/6]

amrex::AmrCore::AmrCore	(	Geometry const &	level_0_geom,
		AmrInfo const &	amr_info
	)

◆ AmrCore() [5/6]

amrex::AmrCore::AmrCore ( AmrCore && rhs )

noexcept

◆ AmrCore() [6/6]

amrex::AmrCore::AmrCore ( const AmrCore & rhs )

delete

◆ ~AmrCore()

amrex::AmrCore::~AmrCore ( )

override

Member Function Documentation

◆ ClearLevel()

virtual void amrex::AmrCore::ClearLevel ( int lev )

protectedpure virtual

Delete level data.

Implemented in amrex::Amr.

◆ ErrorEst()

void amrex::AmrCore::ErrorEst	(	int	lev,
		TagBoxArray &	tags,
		Real	time,
		int	ngrow
	)

overrideprotectedpure virtual

Tag cells for refinement. TagBoxArray tags is built on level lev grids.

Reimplemented from amrex::AmrMesh.

Implemented in amrex::Amr.

◆ InitAmrCore()

void amrex::AmrCore::InitAmrCore ( )

private

◆ InitFromScratch()

void amrex::AmrCore::InitFromScratch ( Real time )

Initialize BoxArray, DistributionMapping and data from scratch. Calling this function requires the derive class implement its own MakeNewLevelFromScratch to allocate and initialize data. Also note usually one needs to average the fine data down to coarse level after this.

◆ MakeNewLevelFromCoarse()

virtual void amrex::AmrCore::MakeNewLevelFromCoarse	(	int	lev,
		Real	time,
		const BoxArray &	ba,
		const DistributionMapping &	dm
	)

protectedpure virtual

Make a new level using provided BoxArray and DistributionMapping and fill with interpolated coarse level data.

Implemented in amrex::Amr.

◆ MakeNewLevelFromScratch()

void amrex::AmrCore::MakeNewLevelFromScratch	(	int	lev,
		Real	time,
		const BoxArray &	ba,
		const DistributionMapping &	dm
	)

overrideprotectedpure virtual

Make a new level from scratch using provided BoxArray and DistributionMapping. Only used during initialization.

Reimplemented from amrex::AmrMesh.

Implemented in amrex::Amr.

◆ operator=() [1/2]

AmrCore & amrex::AmrCore::operator= ( AmrCore && rhs )

noexcept

◆ operator=() [2/2]

AmrCore& amrex::AmrCore::operator= ( const AmrCore & rhs )

delete

◆ printGridSummary()

void amrex::AmrCore::printGridSummary	(	std::ostream &	os,
		int	min_lev,
		int	max_lev
	)		const

noexcept

◆ regrid()

void amrex::AmrCore::regrid	(	int	lbase,
		Real	time,
		bool	initial = `false`
	)

virtual

Rebuild levels finer than lbase.

Reimplemented in amrex::Amr.

◆ RemakeLevel()

virtual void amrex::AmrCore::RemakeLevel	(	int	lev,
		Real	time,
		const BoxArray &	ba,
		const DistributionMapping &	dm
	)

protectedpure virtual

Remake an existing level using provided BoxArray and DistributionMapping and fill with existing fine and coarse data.

Implemented in amrex::Amr.

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

/home/runner/work/amrex/amrex/Src/AmrCore/AMReX_AmrCore.H
/home/runner/work/amrex/amrex/Src/AmrCore/AMReX_AmrCore.cpp

Public Member Functions

Protected Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ AmrCore() [1/6]

◆ AmrCore() [2/6]

◆ AmrCore() [3/6]

◆ AmrCore() [4/6]

◆ AmrCore() [5/6]

◆ AmrCore() [6/6]

◆ ~AmrCore()

Member Function Documentation

◆ ClearLevel()

◆ ErrorEst()

◆ InitAmrCore()

◆ InitFromScratch()

◆ MakeNewLevelFromCoarse()

◆ MakeNewLevelFromScratch()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ printGridSummary()

◆ regrid()

◆ RemakeLevel()