Kratos::TangentOperatorCalculatorUtility Class Reference

An algorithm that derives numerically the constitutive tangent tensor at one GP. More...

#include <tangent_operator_calculator_utility.h>

Collaboration diagram for Kratos::TangentOperatorCalculatorUtility:

Public Member Functions
Life Cycle
	TangentOperatorCalculatorUtility ()
	Constructor. More...
virtual	~TangentOperatorCalculatorUtility ()
	Destructor. More...

Static Public Member Functions
Operations
static void	CalculateTangentTensor (ConstitutiveLaw::Parameters &rValues, ConstitutiveLaw *pConstitutiveLaw, const ConstitutiveLaw::StressMeasure &rStressMeasure=ConstitutiveLaw::StressMeasure_Cauchy, const bool ConsiderPertubationThreshold=true, const IndexType ApproximationOrder=2)
	Main method that computes the tangent tensor. More...
static void	CalculateTangentTensorSmallDeformationProvidedStrain (ConstitutiveLaw::Parameters &rValues, ConstitutiveLaw *pConstitutiveLaw, const ConstitutiveLaw::StressMeasure &rStressMeasure=ConstitutiveLaw::StressMeasure_Cauchy, const bool ConsiderPertubationThreshold=true, const IndexType ApproximationOrder=2)
	Main method that computes the tangent tensor (provided strain) More...
static void	CalculateTangentTensorSmallDeformationNotProvidedStrain (ConstitutiveLaw::Parameters &rValues, ConstitutiveLaw *pConstitutiveLaw, const ConstitutiveLaw::StressMeasure &rStressMeasure=ConstitutiveLaw::StressMeasure_Cauchy, const bool ConsiderPertubationThreshold=true, const IndexType ApproximationOrder=2)
	Main method that computes the tangent tensor (not provided strain) More...
static void	CalculateTangentTensorFiniteDeformation (ConstitutiveLaw::Parameters &rValues, ConstitutiveLaw *pConstitutiveLaw, const ConstitutiveLaw::StressMeasure &rStressMeasure=ConstitutiveLaw::StressMeasure_PK2, const bool ConsiderPertubationThreshold=true, const IndexType ApproximationOrder=2)
	Main method that computes the tangent tensor (for finite deformation problems) More...

Type Definitions
typedef std::size_t	SizeType
	Definition of size type. More...
typedef std::size_t	IndexType
	Definition of index type. More...
static constexpr double	tolerance = std::numeric_limits<double>::epsilon()
	Definition of the zero tolerance. More...
static constexpr double	PerturbationCoefficient1 = 1.0e-5
static constexpr double	PerturbationCoefficient2 = 1.0e-10
static constexpr double	PerturbationThreshold = 1.0e-8
	KRATOS_CLASS_POINTER_DEFINITION (TangentOperatorCalculatorUtility)
	Pointer definition of TangentOperatorCalculatorUtility. More...

Detailed Description

An algorithm that derives numerically the constitutive tangent tensor at one GP.

The procedure is defined in the PAPER "Caracterización de la delaminación en materiales compuestos mediante la teoría de mezclas serie/paralelo" X. Martinez, S. Oller y E. Barbero.

Authors

Alejandro Cornejo & Lucia Barbu

Member Typedef Documentation

IndexType

typedef std::size_t Kratos::TangentOperatorCalculatorUtility::IndexType

Definition of index type.

SizeType

typedef std::size_t Kratos::TangentOperatorCalculatorUtility::SizeType

Definition of size type.

Constructor & Destructor Documentation

TangentOperatorCalculatorUtility()

Kratos::TangentOperatorCalculatorUtility::TangentOperatorCalculatorUtility ( )

inline

Constructor.

~TangentOperatorCalculatorUtility()

virtual Kratos::TangentOperatorCalculatorUtility::~TangentOperatorCalculatorUtility ( )

inlinevirtual

Destructor.

Member Function Documentation

CalculateTangentTensor()

static void Kratos::TangentOperatorCalculatorUtility::CalculateTangentTensor ( ConstitutiveLaw::Parameters &  rValues, ConstitutiveLaw *  pConstitutiveLaw, const ConstitutiveLaw::StressMeasure &  rStressMeasure = ConstitutiveLaw::StressMeasure_Cauchy, const bool  ConsiderPertubationThreshold = true, const IndexType  ApproximationOrder = 2  )

inlinestatic

Main method that computes the tangent tensor.

Parameters

rValues	The properties of the CL
pConstitutiveLaw	Pointer to the CL
rStressMeasure	The stress measure of the law

CalculateTangentTensorFiniteDeformation()

static void Kratos::TangentOperatorCalculatorUtility::CalculateTangentTensorFiniteDeformation ( ConstitutiveLaw::Parameters &  rValues, ConstitutiveLaw *  pConstitutiveLaw, const ConstitutiveLaw::StressMeasure &  rStressMeasure = ConstitutiveLaw::StressMeasure_PK2, const bool  ConsiderPertubationThreshold = true, const IndexType  ApproximationOrder = 2  )

inlinestatic

Main method that computes the tangent tensor (for finite deformation problems)

Parameters

rValues	The properties of the CL
pConstitutiveLaw	Pointer to the CL
rStressMeasure	The stress measure of the law

CalculateTangentTensorSmallDeformationNotProvidedStrain()

static void Kratos::TangentOperatorCalculatorUtility::CalculateTangentTensorSmallDeformationNotProvidedStrain ( ConstitutiveLaw::Parameters &  rValues, ConstitutiveLaw *  pConstitutiveLaw, const ConstitutiveLaw::StressMeasure &  rStressMeasure = ConstitutiveLaw::StressMeasure_Cauchy, const bool  ConsiderPertubationThreshold = true, const IndexType  ApproximationOrder = 2  )

inlinestatic

Main method that computes the tangent tensor (not provided strain)

Parameters

rValues	The properties of the CL
pConstitutiveLaw	Pointer to the CL
rStressMeasure	The stress measure of the law

CalculateTangentTensorSmallDeformationProvidedStrain()

static void Kratos::TangentOperatorCalculatorUtility::CalculateTangentTensorSmallDeformationProvidedStrain ( ConstitutiveLaw::Parameters &  rValues, ConstitutiveLaw *  pConstitutiveLaw, const ConstitutiveLaw::StressMeasure &  rStressMeasure = ConstitutiveLaw::StressMeasure_Cauchy, const bool  ConsiderPertubationThreshold = true, const IndexType  ApproximationOrder = 2  )

inlinestatic

Main method that computes the tangent tensor (provided strain)

Parameters

rValues	The properties of the CL
pConstitutiveLaw	Pointer to the CL
rStressMeasure	The stress measure of the law

KRATOS_CLASS_POINTER_DEFINITION()

Kratos::TangentOperatorCalculatorUtility::KRATOS_CLASS_POINTER_DEFINITION

(

TangentOperatorCalculatorUtility

)

Pointer definition of TangentOperatorCalculatorUtility.

Member Data Documentation

PerturbationCoefficient1

constexpr double Kratos::TangentOperatorCalculatorUtility::PerturbationCoefficient1 = 1.0e-5

staticconstexpr

PerturbationCoefficient2

constexpr double Kratos::TangentOperatorCalculatorUtility::PerturbationCoefficient2 = 1.0e-10

staticconstexpr

PerturbationThreshold

constexpr double Kratos::TangentOperatorCalculatorUtility::PerturbationThreshold = 1.0e-8

staticconstexpr

tolerance

constexpr double Kratos::TangentOperatorCalculatorUtility::tolerance = std::numeric_limits<double>::epsilon()

staticconstexpr

Definition of the zero tolerance.

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

• /home/runner/work/Documentation/Documentation/master/applications/ConstitutiveLawsApplication/custom_utilities/tangent_operator_calculator_utility.h