Implementa a plastificacao do criterio de Von Mises. More...

#include <TPZYCDruckerPrager.h>

Inheritance diagram for TPZYCDruckerPrager:

Collaboration diagram for TPZYCDruckerPrager:

Public Types
enum	{ NYield }

Public Member Functions
	TPZYCDruckerPrager ()

	TPZYCDruckerPrager (const TPZYCDruckerPrager &source)

const char *	Name () const

void	Print (std::ostream &out) const override

void	SetUp (const REAL &phi, const int innerMCFit)
	Setup of material parameters. More...

int	GetForceYield ()

void	SetForceYield (const int forceYield)

void	SetYieldStatusMode (const TPZTensor< REAL > &sigma, const REAL &A)
	Checks if the proposed yield state leads to post-peak material behaviour. If so, the material is forced to behave in post-peak in order to avoid equation switching during Newton's method in the PlasticLoop routines. More...

template<class T >
void	Compute (const TPZTensor< T > &sigma, const T &A, TPZVec< T > &res, int checkForcedYield=0) const
	Calculo do criterio de plastificacao. More...

template<class T >
void	N (const TPZTensor< T > &sigma, const T &A, TPZVec< TPZTensor< T > > &Ndir, int checkForcedYield=0) const
	Derivada da funcao de plastificacao. More...

template<class T >
void	H (const TPZTensor< T > &sigma, const T &A, TPZVec< T > &h, int checkForcedYield=0) const
	Derivada da funcao de plastificacao com respeito a forca termodinamica. More...

template<class T >
void	AlphaMultiplier (const T &A, T &multiplier) const

virtual void	Write (TPZStream &buf, int withclassid) const override
	Writes this object to the TPZStream buffer. Include the classid if withclassid = true. More...

virtual void	Read (TPZStream &buf, void *context) override
	read objects from the stream More...

virtual int	ClassId () const override
	Define the class id associated with the class. More...

void	YieldFunction (const TPZVec< STATE > &sigma, STATE kprev, TPZVec< STATE > &yield) const override

virtual int	GetNYield () const override

int	NumCases ()
	Number of types of residuals. More...

void	LoadState (TPZFMatrix< REAL > &state)
	LoadState will keep a given state as static variable of the class. More...

void	ComputeTangent (TPZFMatrix< REAL > &tangent, TPZVec< REAL > &coefs, int icase)

void	Residual (TPZFMatrix< REAL > &res, int icase)

Public Member Functions inherited from TPZSavable
	TPZSavable ()

virtual	~TPZSavable ()

virtual std::list< std::map< std::string, uint64_t > >	VersionHistory () const

virtual std::pair< std::string, uint64_t >	Version () const

virtual bool	Compare (TPZSavable *copy, bool override=false)
	Compares the object for identity with the object pointed to, eventually copy the object. More...

virtual bool	Compare (TPZSavable *copy, bool override=false) const
	Compares the object for identity with the object pointed to, eventually copy the object. More...

Public Member Functions inherited from TPZRegisterClassId
template<typename T >
	TPZRegisterClassId (int(T::*)() const)

	TPZRegisterClassId ()=default

Public Attributes
REAL	fPhi

REAL	fKsi

REAL	fEta

TPZTensor< REAL >	gRefTension

Additional Inherited Members
Static Public Member Functions inherited from TPZSavable
static std::set< TPZRestoreClassBase * > &	RestoreClassSet ()
	This static function guarantees that the gMap object is available when needed. More...

static std::map< int, TPZRestore_t > &	ClassIdMap ()
	This static function guarantees that the gMap object is available when needed. More...

static std::pair< std::string, uint64_t >	NeoPZVersion ()

static void	Register (TPZRestoreClassBase *restore)

static void	RegisterClassId (int classid, TPZRestore_t fun)

static TPZSavable *	CreateInstance (const int &classId)

Detailed Description

Implementa a plastificacao do criterio de Von Mises.

Definition at line 28 of file TPZYCDruckerPrager.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
NYield

Definition at line 40 of file TPZYCDruckerPrager.h.

Constructor & Destructor Documentation

◆ TPZYCDruckerPrager() [1/2]

TPZYCDruckerPrager::TPZYCDruckerPrager ( )

inline

Definition at line 32 of file TPZYCDruckerPrager.h.

◆ TPZYCDruckerPrager() [2/2]

TPZYCDruckerPrager::TPZYCDruckerPrager ( const TPZYCDruckerPrager & source )

inline

Definition at line 34 of file TPZYCDruckerPrager.h.

References fEta, and fKsi.

Member Function Documentation

◆ AlphaMultiplier()

template<class T >

void TPZYCDruckerPrager::AlphaMultiplier	(	const T &	A,
		T &	multiplier
	)		const

inline

Multiplicador para o caso onde utilizamos uma variavel de dano modificada

Definition at line 128 of file TPZYCDruckerPrager.h.

References ClassId(), Read(), and Write().

◆ ClassId()

int TPZYCDruckerPrager::ClassId ( ) const

overridevirtual

Define the class id associated with the class.

This id has to be unique for all classes A non unique id is flagged at the startup of the program

Implements TPZSavable.

Definition at line 4 of file TPZYCDruckerPrager.cpp.

References Hash().

Referenced by AlphaMultiplier().

◆ Compute()

template<class T >

void TPZYCDruckerPrager::Compute	(	const TPZTensor< T > &	sigma,
		const T &	A,
		TPZVec< T > &	res,
		int	checkForcedYield = `0`
	)		const

Calculo do criterio de plastificacao.

Parameters

[in]	sigma	tensao atual
[in]	A	forca thermodinamica atual
	res
[in]	checkForcedYield	indicates wether to force post-peak failure behavior

Definition at line 243 of file TPZYCDruckerPrager.h.

References fEta, fKsi, TPZTensor< T >::I1(), TPZTensor< T >::J2(), LOGPZ_INFO, and sqrt.

Referenced by Residual(), SetYieldStatusMode(), and YieldFunction().

◆ ComputeTangent()

void TPZYCDruckerPrager::ComputeTangent	(	TPZFMatrix< REAL > &	tangent,
		TPZVec< REAL > &	coefs,
		int	icase
	)

inline

Definition at line 173 of file TPZYCDruckerPrager.h.

References TPZTensor< T >::dJ2(), TPZTensor< T >::fData, gRefTension, and TPZFMatrix< TVar >::Redim().

◆ GetForceYield()

int TPZYCDruckerPrager::GetForceYield ( )

inline

Definition at line 72 of file TPZYCDruckerPrager.h.

◆ GetNYield()

virtual int TPZYCDruckerPrager::GetNYield ( ) const

inlineoverridevirtual

Implements TPZPlasticCriterion.

Definition at line 147 of file TPZYCDruckerPrager.h.

References as_integer(), and NYield.

◆ H()

template<class T >

void TPZYCDruckerPrager::H	(	const TPZTensor< T > &	sigma,
		const T &	A,
		TPZVec< T > &	h,
		int	checkForcedYield = `0`
	)		const

Derivada da funcao de plastificacao com respeito a forca termodinamica.

Parameters

[in]	sigma	tensao atual
[in]	A	forca termodinamica atual
[out]	h	Derivada com respeito a forca termodinamica
[in]	checkForcedYield	indicates wether to force post-peak failure behavior

Definition at line 295 of file TPZYCDruckerPrager.h.

References fKsi.

Referenced by SetYieldStatusMode().

◆ LoadState()

void TPZYCDruckerPrager::LoadState ( TPZFMatrix< REAL > & state )

inline

LoadState will keep a given state as static variable of the class.

Definition at line 168 of file TPZYCDruckerPrager.h.

References TPZTensor< T >::fData.

◆ N()

template<class T >

void TPZYCDruckerPrager::N	(	const TPZTensor< T > &	sigma,
		const T &	A,
		TPZVec< TPZTensor< T > > &	Ndir,
		int	checkForcedYield = `0`
	)		const

Derivada da funcao de plastificacao.

Parameters

[in]	sigma	tensao atual
[in]	A	forca termodinamica atual
[out]	Ndir	Derivada com respeito a tensao
[in]	checkForcedYield	indicates wether to force post-peak failure behavior

Definition at line 266 of file TPZYCDruckerPrager.h.

References TPZTensor< T >::dJ2(), fEta, TPZTensor< T >::J2(), sqrt, TPZTensor< T >::XX(), TPZTensor< T >::YY(), and TPZTensor< T >::ZZ().

Referenced by SetYieldStatusMode().

◆ Name()

const char* TPZYCDruckerPrager::Name ( ) const

inline

Definition at line 42 of file TPZYCDruckerPrager.h.

Referenced by Print().

◆ NumCases()

int TPZYCDruckerPrager::NumCases ( )

inline

Number of types of residuals.

Definition at line 161 of file TPZYCDruckerPrager.h.

◆ Print()

void TPZYCDruckerPrager::Print ( std::ostream & out ) const

inlineoverridevirtual

Reimplemented from TPZPlasticCriterion.

Definition at line 47 of file TPZYCDruckerPrager.h.

References Name().

◆ Read()

void TPZYCDruckerPrager::Read	(	TPZStream &	buf,
		void *	context = `0`
	)

inlineoverridevirtual

read objects from the stream

Reimplemented from TPZSavable.

Definition at line 305 of file TPZYCDruckerPrager.h.

Referenced by AlphaMultiplier().

◆ Residual()

void TPZYCDruckerPrager::Residual	(	TPZFMatrix< REAL > &	res,
		int	icase
	)

inline

Definition at line 206 of file TPZYCDruckerPrager.h.

References Compute(), TPZTensor< T >::J2(), TPZFMatrix< TVar >::Redim(), and test::res.

◆ SetForceYield()

void TPZYCDruckerPrager::SetForceYield ( const int forceYield )

inline

Definition at line 77 of file TPZYCDruckerPrager.h.

◆ SetUp()

void TPZYCDruckerPrager::SetUp	(	const REAL &	phi,
		const int	innerMCFit
	)

inline

Setup of material parameters.

Parameters

[in]	phi	Mohr Coulomb's internal friction angle
[in]	innerMCFit	If one, Drucker Prager model is inscribed in a referred Mohr Coulomb envelope. If zero, circumscribed. VERY IMPORTANT!! The ThermoForceA parameters should be set as: fk: Herdening slope for the cohesion fYield0 : equivalent Mohr Coulomb cohesion C

Definition at line 60 of file TPZYCDruckerPrager.h.

References cos(), fEta, fKsi, sin, and sqrt.

◆ SetYieldStatusMode()

void TPZYCDruckerPrager::SetYieldStatusMode	(	const TPZTensor< REAL > &	sigma,
		const REAL &	A
	)

inline

Checks if the proposed yield state leads to post-peak material behaviour. If so, the material is forced to behave in post-peak in order to avoid equation switching during Newton's method in the PlasticLoop routines.

Parameters

[in]	sigma	stress state
[in]	A	Thermo Force

Definition at line 89 of file TPZYCDruckerPrager.h.

References Compute(), h, H(), N(), and test::res.

◆ Write()

void TPZYCDruckerPrager::Write	(	TPZStream &	buf,
		int	withclassid = `0`
	)		const

inlineoverridevirtual

Writes this object to the TPZStream buffer. Include the classid if withclassid = true.

Writes this object to the TPZStream buffer. Include the classid if withclassid = true

Reimplemented from TPZSavable.

Definition at line 302 of file TPZYCDruckerPrager.h.

Referenced by AlphaMultiplier().

◆ YieldFunction()

void TPZYCDruckerPrager::YieldFunction	(	const TPZVec< STATE > &	sigma,
		STATE	kprev,
		TPZVec< STATE > &	yield
	)		const

inlineoverridevirtual

Implements TPZPlasticCriterion.

Definition at line 139 of file TPZYCDruckerPrager.h.

References Compute(), TPZTensor< T >::XX(), TPZTensor< T >::YY(), and TPZTensor< T >::ZZ().

Member Data Documentation

◆ fEta

REAL TPZYCDruckerPrager::fEta

Definition at line 155 of file TPZYCDruckerPrager.h.

Referenced by Compute(), N(), SetUp(), and TPZYCDruckerPrager().

◆ fKsi

REAL TPZYCDruckerPrager::fKsi

Definition at line 155 of file TPZYCDruckerPrager.h.

Referenced by Compute(), H(), SetUp(), and TPZYCDruckerPrager().

◆ fPhi

REAL TPZYCDruckerPrager::fPhi

Definition at line 153 of file TPZYCDruckerPrager.h.

◆ gRefTension

TPZTensor<REAL> TPZYCDruckerPrager::gRefTension

Definition at line 165 of file TPZYCDruckerPrager.h.

Referenced by ComputeTangent().

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

Material/REAL/Plasticity/TPZYCDruckerPrager.h
Material/REAL/Plasticity/TPZYCDruckerPrager.cpp

Public Types

Public Member Functions

Public Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ TPZYCDruckerPrager() [1/2]

◆ TPZYCDruckerPrager() [2/2]

Member Function Documentation

◆ AlphaMultiplier()

◆ ClassId()

◆ Compute()

◆ ComputeTangent()

◆ GetForceYield()

◆ GetNYield()

◆ H()

◆ LoadState()

◆ N()

◆ Name()

◆ NumCases()

◆ Print()

◆ Read()

◆ Residual()

◆ SetForceYield()

◆ SetUp()

◆ SetYieldStatusMode()

◆ Write()

◆ YieldFunction()

Member Data Documentation

◆ fEta

◆ fKsi

◆ fPhi

◆ gRefTension