: This object integrates the predictive stress using the isotropic damage theory by means of linear/exponential softening. More...

#include <generic_cl_integrator_damage.h>

Collaboration diagram for Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >:

Static Public Member Functions
Operations
static void	IntegrateStressVector (array_1d< double, VoigtSize > &rPredictiveStressVector, const double UniaxialStress, double &rDamage, double &rThreshold, ConstitutiveLaw::Parameters &rValues, const double CharacteristicLength)
	This method integrates the predictive stress vector with the CL using linear or exponential softening. More...

static void	CalculateExponentialDamage (const double UniaxialStress, const double Threshold, const double DamageParameter, const double CharacteristicLength, ConstitutiveLaw::Parameters &rValues, double &rDamage)
	This computes the damage variable according to exponential softening. More...

static void	CalculateHardeningDamage (const double UniaxialStress, const double Threshold, const double DamageParameter, const double CharacteristicLength, ConstitutiveLaw::Parameters &rValues, double &rDamage)
	This computes the damage variable according to parabolic hardening and exponential softening. More...

static void	CalculateLinearDamage (const double UniaxialStress, const double Threshold, const double DamageParameter, const double CharacteristicLength, ConstitutiveLaw::Parameters &rValues, double &rDamage)
	This computes the damage variable according to linear softening. More...

static void	CalculateCurveFittingDamage (const double UniaxialStress, const double Threshold, const double DamageParameter, const double CharacteristicLength, ConstitutiveLaw::Parameters &rValues, double &rDamage)
	This computes the damage variable according to a two region curve: More...

static void	GetInitialUniaxialThreshold (ConstitutiveLaw::Parameters &rValues, double &rInitialThreshold)
	This method returns the initial uniaxial stress threshold. More...

static int	Check (const Properties &rMaterialProperties)
	This method defines in the CL integrator. More...

static void	CalculateYieldSurfaceDerivative (const array_1d< double, VoigtSize > &rStressVector, array_1d< double, VoigtSize > &rYieldDerivative, ConstitutiveLaw::Parameters &rValues)
	This method returns the derivative of the yield surface. More...

Type Definitions
typedef TYieldSurfaceType	YieldSurfaceType
	The type of yield surface. More...

typedef YieldSurfaceType::PlasticPotentialType	PlasticPotentialType
	The type of plastic potential. More...

static constexpr SizeType	Dimension = YieldSurfaceType::Dimension
	The define the working dimension size, already defined in the yield surface. More...

static constexpr SizeType	VoigtSize = YieldSurfaceType::VoigtSize
	The define the Voigt size, already defined in the yield surface. More...

	KRATOS_CLASS_POINTER_DEFINITION (GenericConstitutiveLawIntegratorDamage)
	Counted pointer of GenericConstitutiveLawIntegratorDamage. More...

	GenericConstitutiveLawIntegratorDamage ()
	Initialization constructor. More...

	GenericConstitutiveLawIntegratorDamage (GenericConstitutiveLawIntegratorDamage const &rOther)
	Copy constructor. More...

GenericConstitutiveLawIntegratorDamage &	operator= (GenericConstitutiveLawIntegratorDamage const &rOther)
	Assignment operator. More...

virtual	~GenericConstitutiveLawIntegratorDamage ()
	Destructor. More...

Detailed Description

template<class TYieldSurfaceType>
class Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >

: This object integrates the predictive stress using the isotropic damage theory by means of linear/exponential softening.

The definitions of these classes is completely static, the derivation is done in a static way The damage integrator requires the definition of the following properties:

SOFTENING_TYPE: The fosftening behaviour considered (linear, exponential,etc...)
Template Parameters

TYieldSurfaceType The yield surface considered

Author
Alejandro Cornejo & Lucia Barbu

Member Typedef Documentation

◆ PlasticPotentialType

template<class TYieldSurfaceType >

typedef YieldSurfaceType::PlasticPotentialType Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::PlasticPotentialType

The type of plastic potential.

◆ YieldSurfaceType

template<class TYieldSurfaceType >

typedef TYieldSurfaceType Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::YieldSurfaceType

The type of yield surface.

Constructor & Destructor Documentation

◆ GenericConstitutiveLawIntegratorDamage() [1/2]

template<class TYieldSurfaceType >

Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::GenericConstitutiveLawIntegratorDamage ( )

inline

Initialization constructor.

◆ GenericConstitutiveLawIntegratorDamage() [2/2]

template<class TYieldSurfaceType >

Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::GenericConstitutiveLawIntegratorDamage ( GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType > const & rOther )

inline

Copy constructor.

◆ ~GenericConstitutiveLawIntegratorDamage()

template<class TYieldSurfaceType >

virtual Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::~GenericConstitutiveLawIntegratorDamage ( )

inlinevirtual

Destructor.

Member Function Documentation

◆ CalculateCurveFittingDamage()

template<class TYieldSurfaceType >

static void Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::CalculateCurveFittingDamage	(	const double	UniaxialStress,
		const double	Threshold,
		const double	DamageParameter,
		const double	CharacteristicLength,
		ConstitutiveLaw::Parameters &	rValues,
		double &	rDamage
	)

inlinestatic

This computes the damage variable according to a two region curve:

integrated_stress - strain curve defined by points followed by

exponential softening curve.

Parameters

UniaxialStress	The equivalent uniaxial stress
Threshold	The maximum uniaxial stress achieved previously
rDamage	The internal variable of the damage model
rValues	Parameters of the constitutive law
CharacteristicLength	The equivalent length of the FE

◆ CalculateExponentialDamage()

template<class TYieldSurfaceType >

static void Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::CalculateExponentialDamage	(	const double	UniaxialStress,
		const double	Threshold,
		const double	DamageParameter,
		const double	CharacteristicLength,
		ConstitutiveLaw::Parameters &	rValues,
		double &	rDamage
	)

inlinestatic

This computes the damage variable according to exponential softening.

Parameters

UniaxialStress	The equivalent uniaxial stress
Threshold	The maximum uniaxial stress achieved previously
rDamage	The internal variable of the damage model
rValues	Parameters of the constitutive law
CharacteristicLength	The equivalent length of the FE

◆ CalculateHardeningDamage()

template<class TYieldSurfaceType >

static void Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::CalculateHardeningDamage	(	const double	UniaxialStress,
		const double	Threshold,
		const double	DamageParameter,
		const double	CharacteristicLength,
		ConstitutiveLaw::Parameters &	rValues,
		double &	rDamage
	)

inlinestatic

This computes the damage variable according to parabolic hardening and exponential softening.

Parameters

UniaxialStress	The equivalent uniaxial stress
Threshold	The maximum uniaxial stress achieved previously
rDamage	The internal variable of the damage model
rValues	Parameters of the constitutive law
CharacteristicLength	The equivalent length of the FE

◆ CalculateLinearDamage()

template<class TYieldSurfaceType >

static void Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::CalculateLinearDamage	(	const double	UniaxialStress,
		const double	Threshold,
		const double	DamageParameter,
		const double	CharacteristicLength,
		ConstitutiveLaw::Parameters &	rValues,
		double &	rDamage
	)

inlinestatic

This computes the damage variable according to linear softening.

Parameters

UniaxialStress	The equivalent uniaxial stress
Threshold	The maximum uniaxial stress achieved previously
rDamage	The internal variable of the damage model
rValues	Parameters of the constitutive law
CharacteristicLength	The equivalent length of the FE

◆ CalculateYieldSurfaceDerivative()

template<class TYieldSurfaceType >

static void Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::CalculateYieldSurfaceDerivative	(	const array_1d< double, VoigtSize > &	rStressVector,
		array_1d< double, VoigtSize > &	rYieldDerivative,
		ConstitutiveLaw::Parameters &	rValues
	)

inlinestatic

This method returns the derivative of the yield surface.

Parameters

rStressVector	The stress vector
rYieldDerivative	The derivative of the yield surface

◆ Check()

template<class TYieldSurfaceType >

static int Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::Check ( const Properties & rMaterialProperties )

inlinestatic

This method defines in the CL integrator.

Returns: 0 if OK, 1 otherwise

◆ GetInitialUniaxialThreshold()

template<class TYieldSurfaceType >

static void Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::GetInitialUniaxialThreshold	(	ConstitutiveLaw::Parameters &	rValues,
		double &	rInitialThreshold
	)

inlinestatic

This method returns the initial uniaxial stress threshold.

Parameters

rThreshold	The uniaxial stress threshold
rValues	Parameters of the constitutive law

◆ IntegrateStressVector()

template<class TYieldSurfaceType >

static void Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::IntegrateStressVector	(	array_1d< double, VoigtSize > &	rPredictiveStressVector,
		const double	UniaxialStress,
		double &	rDamage,
		double &	rThreshold,
		ConstitutiveLaw::Parameters &	rValues,
		const double	CharacteristicLength
	)

inlinestatic

This method integrates the predictive stress vector with the CL using linear or exponential softening.

Parameters

PredictiveStressVector	The predictive stress vector
UniaxialStress	The equivalent uniaxial stress
Damage	The internal variable of the damage model
Threshold	The maximum uniaxial stress achieved previously
rValues	Parameters of the constitutive law
CharacteristicLength	The equivalent length of the FE

◆ KRATOS_CLASS_POINTER_DEFINITION()

template<class TYieldSurfaceType >

Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::KRATOS_CLASS_POINTER_DEFINITION ( GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType > )

Counted pointer of GenericConstitutiveLawIntegratorDamage.

◆ operator=()

template<class TYieldSurfaceType >

GenericConstitutiveLawIntegratorDamage& Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::operator= ( GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType > const & rOther )

inline

Assignment operator.

Member Data Documentation

◆ Dimension

template<class TYieldSurfaceType >

constexpr SizeType Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::Dimension = YieldSurfaceType::Dimension

staticconstexpr

The define the working dimension size, already defined in the yield surface.

◆ VoigtSize

template<class TYieldSurfaceType >

constexpr SizeType Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >::VoigtSize = YieldSurfaceType::VoigtSize

staticconstexpr

The define the Voigt size, already defined in the yield surface.

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

/home/runner/work/Documentation/Documentation/master/applications/ConstitutiveLawsApplication/custom_constitutive/auxiliary_files/cl_integrators/generic_cl_integrator_damage.h

Static Public Member Functions

Type Definitions

Detailed Description

template<class TYieldSurfaceType> class Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >

Member Typedef Documentation

◆ PlasticPotentialType

◆ YieldSurfaceType

Constructor & Destructor Documentation

◆ GenericConstitutiveLawIntegratorDamage() [1/2]

◆ GenericConstitutiveLawIntegratorDamage() [2/2]

◆ ~GenericConstitutiveLawIntegratorDamage()

Member Function Documentation

◆ CalculateCurveFittingDamage()

◆ CalculateExponentialDamage()

◆ CalculateHardeningDamage()

◆ CalculateLinearDamage()

◆ CalculateYieldSurfaceDerivative()

◆ Check()

◆ GetInitialUniaxialThreshold()

◆ IntegrateStressVector()

◆ KRATOS_CLASS_POINTER_DEFINITION()

◆ operator=()

Member Data Documentation

◆ Dimension

◆ VoigtSize

template<class TYieldSurfaceType>
class Kratos::GenericConstitutiveLawIntegratorDamage< TYieldSurfaceType >