Ng_Meshing_Parameters Class Reference

Netgen Meshing Parameters class. More...

#include <nglib.h>

List of all members.

Public Member Functions
DLL_HEADER	Ng_Meshing_Parameters ()
DLL_HEADER void	Reset_Parameters ()
DLL_HEADER void	Transfer_Parameters ()
Public Attributes
int	blockfill
float	filldist
int	uselocalh
	Switch to enable / disable usage of local mesh size modifiers.
double	maxh
	Maximum global mesh size allowed.
double	minh
	Minimum global mesh size allowed.
double	fineness
	Mesh density: 0...1 (0 => coarse; 1 => fine)
double	grading
	Mesh grading: 0...1 (0 => uniform mesh; 1 => aggressive local grading)
double	elementsperedge
	Number of elements to generate per edge of the geometry.
double	elementspercurve
	Elements to generate per curvature radius.
int	closeedgeenable
	Enable / Disable mesh refinement at close edges.
double	closeedgefact
	Factor to use for refinement at close edges (larger => finer)
int	second_order
	Generate second-order surface and volume elements.
int	quad_dominated
	Creates a Quad-dominated mesh.
char *	meshsize_filename
	Optional external mesh size file.
int	optsurfmeshenable
	Enable / Disable automatic surface mesh optimization.
int	optvolmeshenable
	Enable / Disable automatic volume mesh optimization.
int	optsteps_3d
	Number of optimize steps to use for 3-D mesh optimization.
int	optsteps_2d
	Number of optimize steps to use for 2-D mesh optimization.
int	invert_tets
	Invert all the volume elements.
int	invert_trigs
	Invert all the surface triangle elements.
int	check_overlap
	Check for overlapping surfaces during Surface meshing.
int	check_overlapping_boundary
	Check for overlapping surface elements before volume meshing.

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Detailed Description

Netgen Meshing Parameters class.

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Constructor & Destructor Documentation

DLL_HEADER Ng_Meshing_Parameters::Ng_Meshing_Parameters

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Default constructor for the Mesh Parameters class

Note: This constructor initialises the variables in the class with the following default values

• uselocalh: 1
• maxh: 1000.0
• fineness: 0.5
• grading: 0.3
• elementsperedge: 2.0
• elementspercurve: 2.0
• closeedgeenable: 0
• closeedgefact: 2.0
• #secondorder: 0
• meshsize_filename: null
• quad_dominated: 0
• optsurfmeshenable: 1
• optvolmeshenable: 1
• optsteps_2d: 3
• optsteps_3d: 3
• invert_tets: 0
• invert_trigs:0
• check_overlap: 1
• check_overlapping_boundary: 1

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Member Function Documentation

DLL_HEADER void Ng_Meshing_Parameters::Reset_Parameters

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Reset the meshing parameters to their defaults

This member function resets all the meshing parameters of the object to the default values

DLL_HEADER void Ng_Meshing_Parameters::Transfer_Parameters

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Transfer local meshing parameters to internal meshing parameters

This member function transfers all the meshing parameters defined in the local meshing parameters structure of nglib into the internal meshing parameters structure used by the Netgen core

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Member Data Documentation

int Ng_Meshing_Parameters::blockfill

int Ng_Meshing_Parameters::check_overlap

Check for overlapping surfaces during Surface meshing.

int Ng_Meshing_Parameters::check_overlapping_boundary

Check for overlapping surface elements before volume meshing.

int Ng_Meshing_Parameters::closeedgeenable

Enable / Disable mesh refinement at close edges.

double Ng_Meshing_Parameters::closeedgefact

Factor to use for refinement at close edges (larger => finer)

double Ng_Meshing_Parameters::elementspercurve

Elements to generate per curvature radius.

double Ng_Meshing_Parameters::elementsperedge

Number of elements to generate per edge of the geometry.

float Ng_Meshing_Parameters::filldist

double Ng_Meshing_Parameters::fineness

Mesh density: 0...1 (0 => coarse; 1 => fine)

double Ng_Meshing_Parameters::grading

Mesh grading: 0...1 (0 => uniform mesh; 1 => aggressive local grading)

int Ng_Meshing_Parameters::invert_tets

Invert all the volume elements.

int Ng_Meshing_Parameters::invert_trigs

Invert all the surface triangle elements.

double Ng_Meshing_Parameters::maxh

Maximum global mesh size allowed.

char* Ng_Meshing_Parameters::meshsize_filename

Optional external mesh size file.

double Ng_Meshing_Parameters::minh

Minimum global mesh size allowed.

int Ng_Meshing_Parameters::optsteps_2d

Number of optimize steps to use for 2-D mesh optimization.

int Ng_Meshing_Parameters::optsteps_3d

Number of optimize steps to use for 3-D mesh optimization.

int Ng_Meshing_Parameters::optsurfmeshenable

Enable / Disable automatic surface mesh optimization.

int Ng_Meshing_Parameters::optvolmeshenable

Enable / Disable automatic volume mesh optimization.

int Ng_Meshing_Parameters::quad_dominated

Creates a Quad-dominated mesh.

int Ng_Meshing_Parameters::second_order

Generate second-order surface and volume elements.

int Ng_Meshing_Parameters::uselocalh

Switch to enable / disable usage of local mesh size modifiers.

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

• nglib.h