constitutive::FabricTensor< T > Struct Template Reference

Fabric tensor for the directional density function. More...

#include <fabric.hpp>

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Public Member Functions
	FabricTensor (std::string type="chang1990-ext", std::string evolution="li2012", const std::unordered_map< std::string, T > &coefs={})
	Constructor.
void	setupDefaultParameters ()
	Set the default fabric tensor parameters.
void	setParameters (const std::string &type="chang1990-ext", const std::string &evolution="li2012", const std::unordered_map< std::string, T > &coefs={})
	Set the fabric tensor parameters.
bool	requiresUpdate ()
	Check if the fabric tensor requires update.
bool	requiresEvolution ()
	Check if the fabric tensor requires evolution.
void	initialize ()
	Initial fabric tensor.
void	rotate (bool rotate=true)
	Rotate the fabric tensor.
Eigen::Array< T, Eigen::Dynamic, 1 >	density (const Eigen::Array< T, Eigen::Dynamic, 1 > &beta, const Eigen::Array< T, Eigen::Dynamic, 1 > &gamma)
	Directional density function.
Eigen::Matrix< T, 3, 3 >	Fij ()
	Deviatoric fabric tensor.
void	evolve (Eigen::Matrix< T, 3, 3 > n, T CSR, const StateVariable< T > &sv0, StateVariable< T > &sv, bool use_plastic_strain=true, T nonproportionality_orthogonal=0.0, T nonproportionality_noncoaxial=0.0)
	Update the fabric tensor.

Public Attributes
Eigen::Matrix< T, 3, 3 >	tensor = Eigen::Matrix<T, 3, 3>::Identity()
	fabric tensor
std::string	type
	fabric tensor type
std::string	evolution
	evolution type
std::unordered_map< std::string, T >	coefs
	fabric tensor coefficients
std::shared_ptr< FabricTensorChanged >	changed = std::make_shared<FabricTensorChanged>()
	fabric changed flags
bool	rotated = false
	whether the fabric tensor is rotated

Detailed Description

template<typename T>
struct constitutive::FabricTensor< T >

Fabric tensor for the directional density function.

Constructor & Destructor Documentation

FabricTensor()

template<typename T>

constitutive::FabricTensor< T >::FabricTensor ( std::string type = "chang1990-ext", std::string evolution = "li2012", const std::unordered_map< std::string, T > & coefs = {} )

inlineexplicit

Constructor.

Parameters

type	fabric tensor type
evolution	evolution type
coefs	fabric tensor coefficients

References coefs, evolution, and type.

Member Function Documentation

density()

template<typename T>

Eigen::Array< T, Eigen::Dynamic, 1 > constitutive::FabricTensor< T >::density ( const Eigen::Array< T, Eigen::Dynamic, 1 > & beta, const Eigen::Array< T, Eigen::Dynamic, 1 > & gamma )

inline

Directional density function.

evolve()

template<typename T>

void constitutive::FabricTensor< T >::evolve ( Eigen::Matrix< T, 3, 3 > n, T CSR, const StateVariable< T > & sv0, StateVariable< T > & sv, bool use_plastic_strain = true, T nonproportionality_orthogonal = 0.0, T nonproportionality_noncoaxial = 0.0 )

inline

Update the fabric tensor.

Parameters

n	loading direction
CSR	critical stress ratio
sv0	state variables at the beginning of the increment
sv	state variables at the end of the increment
use_plastic_strain	whether to use plastic strain in the fabric evolution
nonproportionality_orthogonal	Weight of the orthogonal component of the non-proportionality in the fabric anisotropy variable
nonproportionality_noncoaxial	Weight of the non-coaxial component of the non-proportionality in the fabric anisotropy variable

References constitutive::StateVariable< T >::e, constitutive::StateVariable< T >::ec, constitutive::StateVariable< T >::epsij(), constitutive::StateVariable< T >::epsm(), constitutive::StateVariable< T >::epspij(), constitutive::StateVariable< T >::eta(), Fij(), constitutive::nonCoaxialDirection(), constitutive::orthogonalDirection(), constitutive::StateVariable< T >::p(), constitutive::StateVariable< T >::scalars, constitutive::split(), constitutive::StateVariable< T >::stress(), constitutive::StateVariable< T >::tauij(), and constitutive::Tensor2< T >::Tensor2().

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Fij()

template<typename T>

Eigen::Matrix< T, 3, 3 > constitutive::FabricTensor< T >::Fij ( )

inline

Deviatoric fabric tensor.

Referenced by evolve().

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initialize()

template<typename T>

void constitutive::FabricTensor< T >::initialize ( )

inline

Initial fabric tensor.

References rotate().

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requiresEvolution()

template<typename T>

bool constitutive::FabricTensor< T >::requiresEvolution ( )

inline

Check if the fabric tensor requires evolution.

References constitutive::split().

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requiresUpdate()

template<typename T>

bool constitutive::FabricTensor< T >::requiresUpdate ( )

inline

Check if the fabric tensor requires update.

rotate()

template<typename T>

void constitutive::FabricTensor< T >::rotate ( bool rotate = true )

inline

Rotate the fabric tensor.

Parameters

rotate

rotate or revert the fabric tensor

References PI, and rotate().

Referenced by initialize(), and rotate().

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setParameters()

template<typename T>

void constitutive::FabricTensor< T >::setParameters ( const std::string & type = "chang1990-ext", const std::string & evolution = "li2012", const std::unordered_map< std::string, T > & coefs = {} )

inline

Set the fabric tensor parameters.

Parameters

type	fabric tensor type
evolution	evolution type
coefs	fabric tensor coefficients

References coefs, evolution, and type.

setupDefaultParameters()

template<typename T>

void constitutive::FabricTensor< T >::setupDefaultParameters ( )

inline

Set the default fabric tensor parameters.

References constitutive::split().

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Member Data Documentation

changed

template<typename T>

std::shared_ptr<FabricTensorChanged> constitutive::FabricTensor< T >::changed = std::make_shared<FabricTensorChanged>()

fabric changed flags

coefs

template<typename T>

std::unordered_map<std::string, T> constitutive::FabricTensor< T >::coefs

fabric tensor coefficients

Referenced by FabricTensor(), and setParameters().

evolution

template<typename T>

std::string constitutive::FabricTensor< T >::evolution

evolution type

Referenced by FabricTensor(), and setParameters().

rotated

template<typename T>

bool constitutive::FabricTensor< T >::rotated = false

whether the fabric tensor is rotated

tensor

template<typename T>

Eigen::Matrix<T, 3, 3> constitutive::FabricTensor< T >::tensor = Eigen::Matrix<T, 3, 3>::Identity()

fabric tensor

type

template<typename T>

std::string constitutive::FabricTensor< T >::type

fabric tensor type

Referenced by FabricTensor(), and setParameters().

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

• include/constitutive/fabric.hpp