Simple class for representing a non-symmetric fourth-order tensor. More...

#include <Tensor4.h>

Inheritance diagram for Tensor4:

Collaboration diagram for Tensor4:

Public Member Functions
	Tensor4 (t_ind nsd=3, Real scale=Real(1), bool makeJ=false)
	The default constructor creates a (scaled) identity tensor.

	Tensor4 (const std::vector< Real > &x, t_ind nsd=3)
	Constructor creating a tensor from a vector of components.

void	zero ()
	Sets this to the 0-tensor.

	operator const std::vector< Real > & () const
	Type casting to a one-dimensional vector, for referencing.

	operator std::vector< Real > & ()
	Type casting to a one-dimensional vector, for assignment.

const Real *	ptr () const
	Reference through a pointer.

const Real &	operator() (t_ind i, t_ind j, t_ind d, t_ind l) const
	Index-1 based component reference.

Real &	operator() (t_ind i, t_ind j, t_ind k, t_ind l)
	Index-1 based component access.

Tensor4 &	operator= (const Tensor4 &T)
	Assignment operator.

Tensor4 &	operator= (Real val)
	Overloaded assignment operator.

Tensor4 &	operator+= (Real val)
	Incrementation operator.

Protected Types
typedef unsigned short int	t_ind
	Tensor index type (for convenience)

Protected Member Functions
virtual void	redim (t_ind nsd)
	Auxilliary method used by the constructors.

virtual std::ostream &	print (std::ostream &os) const
	Prints out the tensor to an output stream.

Protected Attributes
t_ind	n
	Number of spatial dimensions for the tensor.

t_ind	m
	Dimension of the matrix representation.

std::vector< Real >	v
	The actual tensor component values.

Private Member Functions
t_ind	index (t_ind i, t_ind j, t_ind k, t_ind l) const
	Returns a 0-based array index for the given tensor indices.

Friends
std::ostream &	operator<< (std::ostream &os, const Tensor4 &T)
	Output stream operator.

Detailed Description

Simple class for representing a non-symmetric fourth-order tensor.

Constructor & Destructor Documentation

Constructor creating a tensor from a vector of components.

The provided vector is assumed to contain the components of the matrix representation of the tensor, stored in a one-dimensional array.

References m, redim(), and v.

std::ostream & Tensor4::print ( std::ostream & os ) const

protectedvirtual

Prints out the tensor to an output stream.

Reimplemented in SymmTensor4.

virtual void Tensor4::redim ( t_ind nsd )

inlineprotectedvirtual

Auxilliary method used by the constructors.

Reimplemented in SymmTensor4.

References m, and n.

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