mfem::GeometricFactors Class Reference

Structure for storing mesh geometric factors: coordinates, Jacobians, and determinants of the Jacobians. More...

#include <mesh.hpp>

Collaboration diagram for mfem::GeometricFactors:

Public Types
enum	FactorFlags { COORDINATES = 1 << 0 , JACOBIANS = 1 << 1 , DETERMINANTS = 1 << 2 }

Public Member Functions
	GeometricFactors (const Mesh *mesh, const IntegrationRule &ir, int flags, MemoryType d_mt=MemoryType::DEFAULT)
	GeometricFactors (const GridFunction &nodes, const IntegrationRule &ir, int flags, MemoryType d_mt=MemoryType::DEFAULT)

Public Attributes
const Mesh *	mesh
const IntegrationRule *	IntRule
int	computed_factors
Vector	X
	Mapped (physical) coordinates of all quadrature points.
Vector	J
	Jacobians of the element transformations at all quadrature points.
Vector	detJ
	Determinants of the Jacobians at all quadrature points.

Detailed Description

Structure for storing mesh geometric factors: coordinates, Jacobians, and determinants of the Jacobians.

Typically objects of this type are constructed and owned by objects of class Mesh. See Mesh::GetGeometricFactors().

Definition at line 2936 of file mesh.hpp.

Member Enumeration Documentation

FactorFlags

enum mfem::GeometricFactors::FactorFlags

Enumerator
COORDINATES
JACOBIANS
DETERMINANTS

Definition at line 2947 of file mesh.hpp.

Constructor & Destructor Documentation

GeometricFactors() [1/2]

mfem::GeometricFactors::GeometricFactors	(	const Mesh *	mesh,
		const IntegrationRule &	ir,
		int	flags,
		MemoryType	d_mt = MemoryType::DEFAULT )

Definition at line 14509 of file mesh.cpp.

GeometricFactors() [2/2]

mfem::GeometricFactors::GeometricFactors	(	const GridFunction &	nodes,
		const IntegrationRule &	ir,
		int	flags,
		MemoryType	d_mt = MemoryType::DEFAULT )

Definition at line 14523 of file mesh.cpp.

Member Data Documentation

computed_factors

int mfem::GeometricFactors::computed_factors

Definition at line 2945 of file mesh.hpp.

detJ

Vector mfem::GeometricFactors::detJ

Determinants of the Jacobians at all quadrature points.

This array uses a column-major layout with dimensions (NQ x NE) where

• NQ = number of quadrature points per element, and
• NE = number of elements in the mesh.

Definition at line 2982 of file mesh.hpp.

IntRule

const IntegrationRule* mfem::GeometricFactors::IntRule

Definition at line 2944 of file mesh.hpp.

J

Vector mfem::GeometricFactors::J

Jacobians of the element transformations at all quadrature points.

This array uses a column-major layout with dimensions (NQ x SDIM x DIM x NE) where

• NQ = number of quadrature points per element,
• SDIM = space dimension of the mesh = mesh.SpaceDimension(),
• DIM = dimension of the mesh = mesh.Dimension(), and
• NE = number of elements in the mesh.

Definition at line 2976 of file mesh.hpp.

mesh

const Mesh* mfem::GeometricFactors::mesh

Definition at line 2943 of file mesh.hpp.

X

Vector mfem::GeometricFactors::X

Mapped (physical) coordinates of all quadrature points.

This array uses a column-major layout with dimensions (NQ x SDIM x NE) where

• NQ = number of quadrature points per element,
• SDIM = space dimension of the mesh = mesh.SpaceDimension(), and
• NE = number of elements in the mesh.

Definition at line 2967 of file mesh.hpp.

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

• mesh/mesh.hpp
• mesh/mesh.cpp