A meshing geometry as Cartesian structured mesh It makes constructs tree structure with triangles and makes hexes bounding geometry With ray-tracing, find intersections and determine element inside/outside/boundary. Intersection fraction is stored to boundary elements. Element inside/outside/boundary status are stored as tag. More...

#include <meshkit/EBMesher.hpp>

Inheritance diagram for EBMesher:

[legend]

List of all members.

Public Member Functions
	EBMesher (MKCore *mkcore, const MEntVector &me_vec, double size=-1., bool use_geom=true, int add_layer=3)
	Bare constructor.
virtual	~EBMesher ()
	Destructor.
virtual const moab::EntityType *	mesh_types_arr () const
	Return the mesh entity types operated on by this scheme.
virtual bool	add_modelent (ModelEnt *model_ent)
	Add a ModelEnt to this operation's MEntSelection The MEntSelection is a map, and can only have a given entity once.
int	set_division (double min, double max)
	set # of divisions (x/y/z directions) of Cartesian box to use SCDMesh output
virtual void	setup_this ()
	Setup is a no-op, but must be provided since it's pure virtual.
virtual void	execute_this ()
void	get_grid_and_edges_techX (double boxMin, double boxMax, int *nDiv, std::map< CutCellSurfEdgeKey, std::vector< double >, LessThan > &rmdCutCellSurfEdge, std::vector< int > &rvnInsideCell, bool isCornerExterior=true)
	query function for techX
bool	get_grid_and_edges (double boxMin, double boxMax, int *nDiv, std::map< CutCellSurfEdgeKey, std::vector< double >, LessThan > &rmdCutCellEdge, std::vector< int > &rvnInsideCell, bool isCornerExterior=true)
	query function to get multiple cut-cell edges
bool	get_volume_fraction (int vol_frac_div)
	get volume fraction for each material
void	export_mesh (const char *file_name, bool separate=false)
	export mesh to file
void	set_num_interval (int *n_interval)
	set number of intervals
void	increase_box (double box_increase)
	set number of intervals
void	use_whole_geom (int use)
	set if mesh for whole geometry at once or individually
void	use_mesh_geometry (bool use)
	set if mesh based geometry is used
void	set_obb_tree_box_dimension ()
	construct obb tree with faceted geometry and set the box max/min coordinates
Static Public Member Functions
static const char *	name ()
	Get class name.
static bool	can_mesh (iBase_EntityType dim)
	Function returning whether this scheme can mesh entities of t the specified dimension.
static bool	can_mesh (ModelEnt *me)
	Function returning whether this scheme can mesh the specified entity.
static const moab::EntityType *	output_types ()
	Get list of mesh entity types that can be generated.
Private Member Functions
	EBMesher (const EBMesher &)
	No copy constructor, since there's only meant to be one of these.
MeshOp *	get_scd_mesher ()
EBMesher &	operator= (const EBMesher &)
	No operator=, since there's only meant to be one of these.
EdgeStatus	get_edge_status (const double dZ, int &iSkip)
	get hex edge status (inside/outside/boundary)
bool	set_neighbor_hex_status (int dir, int i, int j, int k)
	set hex status for neighboring elements
bool	set_hex_status (int index, EdgeStatus value, int dir)
bool	set_edge_status (int dir)
	set edge status
void	set_tag_info ()
	set all produced mesh information as tag \ hex status, edge-cut information.....
void	write_mesh (const char file_name, int type, iBase_EntityHandle handles, int &n_elem)
	wirte mesh
double	get_edge_fraction (int idHex, int dir)
	get edge fraction information
double	get_uncut_edge_fraction (int i, int j, int k, int dir)
	get if the edge is fully inside(returns 1) or outside(returns 0)
bool	is_shared_overlapped_surf (int index)
	check if the intersected surface geometry is shared or overlapped
bool	move_intersections (int n_dir, int n_inter, double start_pnt[3])
	move intersection pairs to check element status
bool	get_inside_hex (std::vector< int > &rvnInsideCell)
	get inside status elements
bool	is_ray_move_and_set_overlap_surf (bool &bMoveOnce)
	check if ray is passing shared vertices or edges \ And, check if the passing surface is overlapped one
void	remove_intersection_duplicates ()
bool	export_fraction_edges (std::map< CutCellSurfEdgeKey, std::vector< double >, LessThan > &rmdCutCellSurfEdge)
bool	export_fraction_points (std::map< CutCellSurfEdgeKey, std::vector< double >, LessThan > &mdCutCellEdge)
bool	make_edge (double ePnt[6], std::vector< iBase_EntityHandle > &edge_handles)
Private Attributes
iBase_TagHandle	m_elemStatusTag
iBase_TagHandle	m_edgeCutFracLengthTag
iBase_TagHandle	m_edgeCutFracTag
iBase_TagHandle	m_volFracLengthTag
iBase_TagHandle	m_volFracHandleTag
iBase_TagHandle	m_volFracTag
iBase_TagHandle	m_bbTag
iMesh_Instance	m_mesh
iBase_EntitySetHandle	m_hRootSet
std::vector< IntersectDist >	m_vIntersection
int	m_nTri
int	m_nHex
int	m_iInter
int	m_nFraction
int	m_iStartHex
int	m_nMove
int	m_nAddLayer
int	m_nIteration
int	m_iOverlap
int	m_iElem
int	m_nNode [3]
int	m_nDiv [3]
int	m_iFirstP
int	m_iSecondP
double	m_dFirstP
double	m_dSecondP
double	m_curPnt
double	m_prevPnt
double	m_boxIncrease
double	m_dIntervalSize [3]
double	m_origin_coords [3]
double	m_dInputSize
double	m_min [3]
double	m_max [3]
EdgeStatus	m_nStatus
bool	m_bMovedOnce
bool	m_bUseGeom
bool	m_bUseWholeGeom
bool	m_bUseMeshGeom
std::vector< iBase_EntityHandle >	m_vhVertex
std::vector< int >	m_vnHexStatus
std::map< int, CutFraction >	m_mdCutFraction
std::vector< EdgeStatus >	m_vnEdgeStatus [3]
Static Private Attributes
static int	init
	Static variable, used in registration.

Detailed Description

A meshing geometry as Cartesian structured mesh It makes constructs tree structure with triangles and makes hexes bounding geometry With ray-tracing, find intersections and determine element inside/outside/boundary. Intersection fraction is stored to boundary elements. Element inside/outside/boundary status are stored as tag.

Examples:: example_ebmesh.cpp.

Definition at line 122 of file EBMesher.hpp.

Constructor & Destructor Documentation

EBMesher	(	MKCore *	mkcore,
		const MEntVector &	me_vec,
		double	size = `-1.`,
		bool	use_geom = `true`,
		int	add_layer = `3`
	)

Bare constructor.

Definition at line 46 of file EBMesher.cpp.

~EBMesher ( ) [virtual]

Destructor.

Definition at line 97 of file EBMesher.cpp.

EBMesher ( const EBMesher & ) [private]

No copy constructor, since there's only meant to be one of these.

Member Function Documentation

bool add_modelent ( ModelEnt * model_ent ) [virtual]

Add a ModelEnt to this operation's MEntSelection The MEntSelection is a map, and can only have a given entity once.

Parameters:

model_ent ModelEnt being added

Returns:: Returns true if model_ent was actually added, false otherwise

Reimplemented from MeshOp.

Definition at line 108 of file EBMesher.cpp.

static bool can_mesh ( iBase_EntityType dim ) [inline, static]

Function returning whether this scheme can mesh entities of t the specified dimension.

Parameters:

dim	entity dimension

Definition at line 142 of file EBMesher.hpp.

bool can_mesh ( ModelEnt * me ) [static]

Function returning whether this scheme can mesh the specified entity.

Used by MeshOpFactory to find scheme for an entity.

Parameters:

me	ModelEnt being queried

Returns:: If true, this scheme can mesh the specified ModelEnt

Definition at line 102 of file EBMesher.cpp.

void execute_this ( ) [virtual]

\ The only setup/execute function we need, since meshing vertices is trivial

Implements GraphNode.

Definition at line 189 of file EBMesher.cpp.

bool export_fraction_edges ( std::map< CutCellSurfEdgeKey, std::vector< double >, LessThan > & rmdCutCellSurfEdge ) [private]

bool export_fraction_points ( std::map< CutCellSurfEdgeKey, std::vector< double >, LessThan > & mdCutCellEdge ) [private]

void export_mesh	(	const char *	file_name,
		bool	separate = `false`
	)

export mesh to file

Parameters:

file_name	export file name
separate	export file separately(inside/outside/boundary)

Examples:: example_ebmesh.cpp.

double get_edge_fraction	(	int	idHex,
		int	dir
	)		`[private]`

get edge fraction information

Parameters:

idHex	index in m_mdCutFraction
dir	ray direction

Returns:: double edge fraction

EdgeStatus get_edge_status	(	const double	dZ,
		int &	iSkip
	)		`[private]`

get hex edge status (inside/outside/boundary)

Parameters:

dZ	edge end coordinate
iSkip	how many index skipped for next intersection checking

Returns:: EdgeStatus edge status

Definition at line 464 of file EBMesher.cpp.

bool get_grid_and_edges	(	double *	boxMin,
		double *	boxMax,
		int *	nDiv,
		std::map< CutCellSurfEdgeKey, std::vector< double >, LessThan > &	rmdCutCellEdge,
		std::vector< int > &	rvnInsideCell,
		bool	isCornerExterior = `true`
	)

query function to get multiple cut-cell edges

Parameters:

boxMin	Cartesian box min coordinates returned
boxMax	Cartesian box max coordinates returned
nDiv	nDiv(x/yz directions) returned
rmdCutCellEdge	map of cut-cell surface index and edge cut information returned
rvnInsideCell	Inside elements returned
isCornerExterior	if box corner is exterior returned

Returns:: if this function is working correctly

Examples:: example_ebmesh.cpp.

void get_grid_and_edges_techX	(	double *	boxMin,
		double *	boxMax,
		int *	nDiv,
		std::map< CutCellSurfEdgeKey, std::vector< double >, LessThan > &	rmdCutCellSurfEdge,
		std::vector< int > &	rvnInsideCell,
		bool	isCornerExterior = `true`
	)

query function for techX

Parameters:

boxMin	Cartesian box min coordinates returned
boxMax	Cartesian box max coordinates returned
nDiv	nDiv(x/yz directions) returned
rmdCutCellSurfEdge	map of cut-cell surface index and edge cut information returned
rvnInsideCell	Inside elements returned
isCornerExterior	if box corner is exterior returned

Examples:: example_ebmesh.cpp.

bool get_inside_hex ( std::vector< int > & rvnInsideCell ) [private]

get inside status elements

Parameters:

rvnInsideCell cell indices (i,j,k triple)

Returns:: bool if is working correctly

MeshOp * get_scd_mesher ( ) [private]

Definition at line 117 of file EBMesher.cpp.

double get_uncut_edge_fraction	(	int	i,
		int	j,
		int	k,
		int	dir
	)		`[private]`

get if the edge is fully inside(returns 1) or outside(returns 0)

Parameters:

i	index for i direction
j	index for j direction
k	index for k direction
dir	ray direction

Returns:: double edge fraction

Definition at line 1585 of file EBMesher.cpp.

bool get_volume_fraction ( int vol_frac_div )

get volume fraction for each material

Parameters:

vol_frac_div resolution to get volume fraction

Returns:: if this function is working correctly

Examples:: example_ebmesh.cpp.

Definition at line 1760 of file EBMesher.cpp.

void increase_box ( double box_increase ) [inline]

set number of intervals

Parameters:

box_increase number of interval array for x/y/z directions

Examples:: example_ebmesh.cpp.

Definition at line 494 of file EBMesher.hpp.

bool is_ray_move_and_set_overlap_surf ( bool & bMoveOnce ) [private]

check if ray is passing shared vertices or edges \ And, check if the passing surface is overlapped one

Parameters:

bMoveOnce if ray is already moved before

Returns:: bool if is working correctly

Definition at line 1683 of file EBMesher.cpp.

bool is_shared_overlapped_surf ( int index ) [private]

check if the intersected surface geometry is shared or overlapped

Parameters:

index intersection index in m_vIntersection vector

Returns:: bool if is working correctly

bool make_edge	(	double	ePnt[6],
		std::vector< iBase_EntityHandle > &	edge_handles
	)		`[private]`

virtual const moab::EntityType* mesh_types_arr ( ) const [inline, virtual]

Return the mesh entity types operated on by this scheme.

Returns:: array terminated with moab::MBMAXTYPE

Implements MeshOp.

Definition at line 161 of file EBMesher.hpp.

bool move_intersections	(	int	n_dir,
		int	n_inter,
		double	start_pnt[3]
	)		`[private]`

move intersection pairs to check element status

Parameters:

n_dir	ray direction
n_inter	index of intersection points
start_pnt	ray starting point

Returns:: bool if is working correctly

static const char* name ( ) [inline, static]

Get class name.

Definition at line 135 of file EBMesher.hpp.

EBMesher& operator= ( const EBMesher & ) [private]

No operator=, since there's only meant to be one of these.

const moab::EntityType * output_types ( ) [static]

Get list of mesh entity types that can be generated.

Returns:: array terminated with moab::MBMAXTYPE

Definition at line 43 of file EBMesher.cpp.

void remove_intersection_duplicates ( ) [private]

Definition at line 1730 of file EBMesher.cpp.

int set_division	(	double *	min,
		double *	max
	)

set # of divisions (x/y/z directions) of Cartesian box to use SCDMesh output

Parameters:

min	Cartesian box min coordinates
max	Cartesian box max coordinates

Returns:: int if is working correctly

bool set_edge_status ( int dir ) [private]

set edge status

Parameters:

dir	ray direction

Returns:: bool if is working correctly

Definition at line 596 of file EBMesher.cpp.

bool set_hex_status	(	int	index,
		EdgeStatus	value,
		int	dir
	)		`[private]`

\ brief set hex status by edge status

Parameters:

index	hex index in m_vnHexStatus vector
value	edge status
dir	ray direction

Returns:: bool if is working correctly

Definition at line 575 of file EBMesher.cpp.

bool set_neighbor_hex_status	(	int	dir,
		int	i,
		int	j,
		int	k
	)		`[private]`

set hex status for neighboring elements

Parameters:

dir	current fired ray direction
i	index for i direction
j	index for j direction
k	index for k direction

Returns:: bool if is working correctly

Definition at line 537 of file EBMesher.cpp.

void set_num_interval ( int * n_interval )

set number of intervals

Parameters:

n_interval number of interval array for x/y/z directions

Examples:: example_ebmesh.cpp.

Definition at line 263 of file EBMesher.cpp.

void set_obb_tree_box_dimension ( )

construct obb tree with faceted geometry and set the box max/min coordinates

Examples:: example_ebmesh.cpp.

void set_tag_info ( ) [private]

set all produced mesh information as tag \ hex status, edge-cut information.....

void setup_this ( ) [virtual]

Setup is a no-op, but must be provided since it's pure virtual.

Implements GraphNode.

Definition at line 125 of file EBMesher.cpp.

void use_mesh_geometry ( bool use ) [inline]

set if mesh based geometry is used

Parameters:

use	if mesh based geometry is used

Examples:: example_ebmesh.cpp.

Definition at line 504 of file EBMesher.hpp.

void use_whole_geom ( int use ) [inline]

set if mesh for whole geometry at once or individually

Parameters:

use	if mesh for whole geometry at once

Examples:: example_ebmesh.cpp.

Definition at line 499 of file EBMesher.hpp.

void write_mesh	(	const char *	file_name,
		int	type,
		iBase_EntityHandle *	handles,
		int &	n_elem
	)		`[private]`

wirte mesh

Parameters:

file_name
type	element type (inside:0, outside:1, boundary:2)
handles	element handles
n_elem	# of elements

Returns:: int if is working correctly

Member Data Documentation

int init [static, private]

Static variable, used in registration.

Definition at line 373 of file EBMesher.hpp.

iBase_TagHandle m_bbTag [private]

Definition at line 255 of file EBMesher.hpp.

bool m_bMovedOnce [private]

Definition at line 267 of file EBMesher.hpp.

double m_boxIncrease [private]

Definition at line 263 of file EBMesher.hpp.

bool m_bUseGeom [private]

Definition at line 267 of file EBMesher.hpp.

bool m_bUseMeshGeom [private]

Definition at line 267 of file EBMesher.hpp.

bool m_bUseWholeGeom [private]

Definition at line 267 of file EBMesher.hpp.

double m_curPnt [private]

Definition at line 263 of file EBMesher.hpp.

double m_dFirstP [private]

Definition at line 263 of file EBMesher.hpp.

double m_dInputSize [private]

Definition at line 263 of file EBMesher.hpp.

double m_dIntervalSize[3] [private]

Definition at line 263 of file EBMesher.hpp.

double m_dSecondP [private]

Definition at line 263 of file EBMesher.hpp.

iBase_TagHandle m_edgeCutFracLengthTag [private]

Definition at line 255 of file EBMesher.hpp.

iBase_TagHandle m_edgeCutFracTag [private]

Definition at line 255 of file EBMesher.hpp.

iBase_TagHandle m_elemStatusTag [private]

Definition at line 255 of file EBMesher.hpp.

iBase_EntitySetHandle m_hRootSet [private]

Definition at line 258 of file EBMesher.hpp.

int m_iElem [private]

Definition at line 260 of file EBMesher.hpp.

int m_iFirstP [private]

Definition at line 260 of file EBMesher.hpp.

int m_iInter [private]

Definition at line 260 of file EBMesher.hpp.

int m_iOverlap [private]

Definition at line 260 of file EBMesher.hpp.

int m_iSecondP [private]

Definition at line 260 of file EBMesher.hpp.

int m_iStartHex [private]

Definition at line 260 of file EBMesher.hpp.

double m_max[3] [private]

Definition at line 263 of file EBMesher.hpp.

std::map<int, CutFraction> m_mdCutFraction [private]

Definition at line 270 of file EBMesher.hpp.

iMesh_Instance m_mesh [private]

Definition at line 257 of file EBMesher.hpp.

double m_min[3] [private]

Definition at line 263 of file EBMesher.hpp.

int m_nAddLayer [private]

Definition at line 260 of file EBMesher.hpp.

int m_nDiv[3] [private]

Definition at line 260 of file EBMesher.hpp.

int m_nFraction [private]

Definition at line 260 of file EBMesher.hpp.

int m_nHex [private]

Definition at line 260 of file EBMesher.hpp.

int m_nIteration [private]

Definition at line 260 of file EBMesher.hpp.

int m_nMove [private]

Definition at line 260 of file EBMesher.hpp.

int m_nNode[3] [private]

Definition at line 260 of file EBMesher.hpp.

EdgeStatus m_nStatus [private]

Definition at line 266 of file EBMesher.hpp.

int m_nTri [private]

Definition at line 260 of file EBMesher.hpp.

double m_origin_coords[3] [private]

Definition at line 263 of file EBMesher.hpp.

double m_prevPnt [private]

Definition at line 263 of file EBMesher.hpp.

std::vector<iBase_EntityHandle> m_vhVertex [private]

Definition at line 268 of file EBMesher.hpp.

std::vector<IntersectDist> m_vIntersection [private]

Definition at line 259 of file EBMesher.hpp.

std::vector<EdgeStatus> m_vnEdgeStatus[3] [private]

Definition at line 271 of file EBMesher.hpp.

std::vector<int> m_vnHexStatus [private]

Definition at line 269 of file EBMesher.hpp.

iBase_TagHandle m_volFracHandleTag [private]

Definition at line 255 of file EBMesher.hpp.

iBase_TagHandle m_volFracLengthTag [private]

Definition at line 255 of file EBMesher.hpp.

iBase_TagHandle m_volFracTag [private]

Definition at line 255 of file EBMesher.hpp.

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

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation