Domain Class Reference

To store and treat finite element geometric information. More...

#include <Domain.h>

Public Member Functions
	Domain ()
	Constructor of a null domain.
	Domain (const string &file)
	Constructor with an input file.
	~Domain ()
	Destructor.
void	setFile (string file)
	Set file containing Domain data.
void	setDim (size_t d)
	Set space dimension.
size_t	getDim () const
	Return space dimension.
void	setNbDOF (size_t n)
	Set number of degrees of freedom.
size_t	getNbDOF () const
	Return number of degrees of freedom.
size_t	getNbVertices () const
	Return number of vertices.
size_t	getNbLines () const
	Return number of lines.
size_t	getNbContours () const
	Return number of contours.
size_t	getNbHoles () const
	Return number of holes.
size_t	getNbSubDomains () const
	Return number of sub-domains.
int	get ()
	Read domain data interactively.
void	get (const string &file)
	Read domain data from a data file.
Mesh &	getMesh () const
	Return reference to generated Mesh instance.
void	genGeo (string file)
	Generate geometry file.
void	genMesh ()
	Generate 2-D mesh.
void	genMesh (const string &file)
	Generate 2-D mesh and save in file (OFELI format)
void	genMesh (string geo_file, string bamg_file, string mesh_file)
	Generate 2-D mesh and save geo, bamg and mesh file (OFELI format)
void	generateMesh ()
	Generate 2-D mesh using the BAMG mesh generator.
Domain &	operator*= (real_t a)
	Operator *=
void	insertVertex (real_t x, real_t y, real_t h, int code)
	Insert a vertex.
void	insertVertex (real_t x, real_t y, real_t z, real_t h, int code)
	Insert a vertex (3-D case)
void	insertLine (size_t n1, size_t n2, int c)
	Insert a straight line.
void	insertLine (size_t n1, size_t n2, int dc, int nc)
	Insert a straight line.
void	insertCircle (size_t n1, size_t n2, size_t n3, int c)
	Insert a circluar arc.
void	insertCircle (size_t n1, size_t n2, size_t n3, int dc, int nc)
	Insert a circluar arc.
void	insertRequiredVertex (size_t v)
	Insert a required (imposed) vertex.
void	insertRequiredEdge (size_t e)
	Insert a required (imposed) edge (or line)
void	insertSubDomain (size_t n, int code)
	Insert subdomain.
void	insertSubDomain (size_t ln, int orient, int code)
	Insert subdomain.
void	setNbDOF (int nb_dof)
	Set Number of degrees of freedom per node.
Point< real_t >	getMinCoord () const
	Return minimum coordinates of vertices.
Point< real_t >	getMaxCoord () const
	Return maximum coordinates of vertices.
real_t	getMinh () const
	Return minimal value of mesh size.
void	setOutputFile (string file)
	Define output mesh file.

Detailed Description

To store and treat finite element geometric information.

This class is essentially useful to construct data for mesh generators.

Author

Rachid Touzani

Copyright

GNU Lesser Public License

Constructor & Destructor Documentation

Domain() [1/2]

Domain

(

)

Constructor of a null domain.

This constructor assigns maximal values of parameters.

Domain() [2/2]

Domain

(

const string &

file

)

Constructor with an input file.

Parameters

[in]

file

Input file in the XML format defining the domain

Member Function Documentation

genMesh() [1/2]

void genMesh

(

const string &

file

)

Generate 2-D mesh and save in file (OFELI format)

Parameters

[in]

file

File where the generated mesh is saved

genMesh() [2/2]

void genMesh	(	string	geo_file,
		string	bamg_file,
		string	mesh_file )

Generate 2-D mesh and save geo, bamg and mesh file (OFELI format)

Parameters

[in]	geo_file	Geo file
[in]	bamg_file	Bamg file
[in]	mesh_file	File where the generated mesh is saved

get()

void get

(

const string &

file

)

Read domain data from a data file.

Parameters

[in]

file

Input file in Domain XML format

insertCircle() [1/2]

void insertCircle	(	size_t	n1,
		size_t	n2,
		size_t	n3,
		int	c )

Insert a circluar arc.

Parameters

[in]	n1	Label of vertex defining the first end of the arc
[in]	n2	Label of vertex defining the second end of the arc
[in]	n3	Label of vertex defining the center of the arc
[in]	c	Code to associate to created nodes (Dirichlet) or sides (Neumann) if < 0

insertCircle() [2/2]

void insertCircle	(	size_t	n1,
		size_t	n2,
		size_t	n3,
		int	dc,
		int	nc )

Insert a circluar arc.

Parameters

[in]	n1	Label of vertex defining the first end of the arc
[in]	n2	Label of vertex defining the second end of the arc
[in]	n3	Label of vertex defining the center of the arc
[in]	dc	Code to associate to created nodes (Dirichlet)
[in]	nc	Code to associate to created sides (Neumann)

insertLine() [1/2]

void insertLine	(	size_t	n1,
		size_t	n2,
		int	c )

Insert a straight line.

Parameters

[in]	n1	Label of the first vertex of line
[in]	n2	Label of the second vertex of line
[in]	c	Code to associate to created nodes (Dirichlet) or sides (Neumann) if < 0

insertLine() [2/2]

void insertLine	(	size_t	n1,
		size_t	n2,
		int	dc,
		int	nc )

Insert a straight line.

Parameters

[in]	n1	Label of the first vertex of line
[in]	n2	Label of the second vertex of line
[in]	dc	Code to associate to created nodes (Dirichlet)
[in]	nc	Code to associate to created sides (Neumann)

insertRequiredEdge()

void insertRequiredEdge

(

size_t

e

)

Insert a required (imposed) edge (or line)

Parameters

[in]

e

Label of line

insertRequiredVertex()

void insertRequiredVertex

(

size_t

v

)

Insert a required (imposed) vertex.

Parameters

[in]

v

Label of vertex

insertSubDomain() [1/2]

void insertSubDomain	(	size_t	ln,
		int	orient,
		int	code )

Insert subdomain.

Parameters

[in]	ln	Line label
[in]	orient	Orientation (1 or -1)
[in]	code	Subdomain code or reference

insertSubDomain() [2/2]

void insertSubDomain	(	size_t	n,
		int	code )

Insert subdomain.

Parameters

[in]	n
[in]	code

insertVertex() [1/2]

void insertVertex	(	real_t	x,
		real_t	y,
		real_t	h,
		int	code )

Insert a vertex.

Parameters

[in]	x	x-coordinate of vertex
[in]	y	y-coordinate of vertex
[in]	h	mesh size around vertex
[in]	code	code of coordinate

insertVertex() [2/2]

void insertVertex	(	real_t	x,
		real_t	y,
		real_t	z,
		real_t	h,
		int	code )

Insert a vertex (3-D case)

Parameters

[in]	x	x-coordinate of vertex
[in]	y	y-coordinate of vertex
[in]	z	z-coordinate of vertex
[in]	h	mesh size around vertex
[in]	code	code of coordinate

operator*=()

Domain & operator*=

(

real_t

a

)

Operator *=

Rescale domain coordinates by myltiplying by a factor

Parameters

[in]

a

Value to multiply by

setOutputFile()

void setOutputFile

(

string

file

)

Define output mesh file.

Parameters

[in]

file

String defining output mesh file