ElastoPlastic Class Reference

#include <elastoplastic.h>

Inheritance diagram for ElastoPlastic:

List of all members.

Public Types
enum	FCrit_t { VM_t, MC_t, GE_t }
Public Member Functions
	ElastoPlastic (int NDim, SDPair const &Prms, size_t NIv=3, char const *Name="ElastoPlastic(VM)", bool DerivedModel=false)
virtual	~ElastoPlastic ()
virtual void	Rate (State const *Sta, Vec_t const &DEpsDt, Vec_t &DSigDt, Vec_t &DIvsDt) const
virtual void	TgIncs (State const *Sta, Vec_t &DEps, Vec_t &DSig, Vec_t &DIvs) const
virtual void	Stiffness (State const *Sta, Mat_t &D) const
virtual size_t	CorrectDrift (State *Sta) const
virtual bool	LoadCond (State const *Sta, Vec_t const &DEps, double &alpInt) const
virtual void	InitIvs (SDPair const &Ini, State *Sta) const
virtual void	Gradients (Vec_t const &Sig, Vec_t const &Ivs, bool Potential=false) const
virtual void	Hardening (Vec_t const &Sig, Vec_t const &Ivs) const
virtual double	YieldFunc (Vec_t const &Sig, Vec_t const &Ivs) const
virtual void	ExtraDIvs (Vec_t &DIvs) const
virtual double	CalcE (Vec_t const &Sig, Vec_t const &Ivs) const
virtual void	ELStiff (Vec_t const &Sig, Vec_t const &Ivs) const
double	Fa (double Alp, void *)
double	dFada (double Alp, void *)
void	Calc_pq (Vec_t const &Sig) const
void	Calc_pqt (Vec_t const &Sig) const
void	Calc_pqg (Vec_t const &Sig, double sinp) const
void	Calc_dgdsig (Vec_t const &Sig, double sinp) const
void	Calc_arc (double M) const
Public Attributes
bool	Derived
	Derived model (such as CamClay)
double	E
	Young.
double	nu
	Poisson.
FCrit_t	FC
	Failure criterion: VM:Von-Mises.
double	kVM
	von Mises coefficient
double	kGE
	General FC coefficient.
double	kGEpot
	General FC coefficient (for potential/flow rule)
double	pTol
	Tolerance for minimum poct.
double	Hb
	Hardening coefficient H_bar.
double	sphi
	Sin(phi) friction angle.
double	spsi
	Sin(psi) dilatancy angle.
double	FTol
	Tolerance to be used when finding the intersection.
double	DCFTol
	Drift correction ys function tolerance.
size_t	DCMaxIt
	Drift correction max iterations.
double	qTol
	Tolerance for minimum qoct.
bool	NewSU
	New stress update ?
double	BetSU
	Beta coefficient for new stress update.
double	AlpSU
	Alpha coefficient for new stress update.
double	pc
double	pm
double	r2
	Variables for smoothing with arc.
SMPInvs	SMP
	SMP invariants.
Vec_t	SigB
	SigmaBar: shifted sigma for cohesion.
Vec_t	Sig0
Vec_t	Ivs0
Vec_t	SigA
Vec_t	DSigTr
	Variables for yield crossing detection.
Vec_t	DEpsEl
	Elastic strain increment.
Vec_t	DEpsPl
	Plastic strain increment == Lam*W.
Vec_t	V
	NCps: Gradient of the yield surface.
Vec_t	W
	NCps: Plastic flow rule direction.
Vec_t	Y
	NIvs: Derivative of the yield surface w.r.t internal variables.
Vec_t	H
	NIvs: Hardening coefficients, one for each internal variable.
Mat_t	De
	Elastic stiffness.
Mat_t	Dep
	Elastoplastic stiffness.
Vec_t	VDe
	V*De.
Vec_t	DeW
	De*W.
Vec_t	s
	Deviator of sigma.
Vec_t	dthdsig
	Derivative of theta w.r.t sigma.
Vec_t	dgdsig
	derivative of g w.r.t sigma
Vec_t	dI1dsig
Vec_t	dI2dsig
Vec_t	dI3dsig
	derivative of characteristic invariants
double	p
double	q
double	t
double	th
double	g
double	I1
double	I2
double	I3
	Invariants.

---

Member Enumeration Documentation

enum ElastoPlastic::FCrit_t

Enumerator:

VM_t
MC_t
GE_t

---

Constructor & Destructor Documentation

ElastoPlastic::ElastoPlastic	(	int	NDim,
		SDPair const &	Prms,
		size_t	NIv = 3,
		char const *	Name = "ElastoPlastic(VM)",
		bool	DerivedModel = false
	)		[inline]

virtual ElastoPlastic::~ElastoPlastic

(

)

[inline, virtual]

---

Member Function Documentation

void ElastoPlastic::Calc_arc

(

double

M

)

const [inline]

void ElastoPlastic::Calc_dgdsig	(	Vec_t const &	Sig,
		double	sinp
	)		const [inline]

void ElastoPlastic::Calc_pq

(

Vec_t const &

Sig

)

const [inline]

void ElastoPlastic::Calc_pqg	(	Vec_t const &	Sig,
		double	sinp
	)		const [inline]

void ElastoPlastic::Calc_pqt

(

Vec_t const &

Sig

)

const [inline]

virtual double ElastoPlastic::CalcE	(	Vec_t const &	Sig,
		Vec_t const &	Ivs
	)		const [inline, virtual]

Reimplemented in CamClay.

size_t ElastoPlastic::CorrectDrift

(

State *

Sta

)

const [inline, virtual]

Reimplemented from Model.

double ElastoPlastic::dFada	(	double	Alp,
		void *
	)		[inline]

void ElastoPlastic::ELStiff	(	Vec_t const &	Sig,
		Vec_t const &	Ivs
	)		const [inline, virtual]

void ElastoPlastic::ExtraDIvs

(

Vec_t &

DIvs

)

const [inline, virtual]

double ElastoPlastic::Fa	(	double	Alp,
		void *
	)		[inline]

void ElastoPlastic::Gradients	(	Vec_t const &	Sig,
		Vec_t const &	Ivs,
		bool	Potential = false
	)		const [inline, virtual]

Reimplemented in CamClay.

void ElastoPlastic::Hardening	(	Vec_t const &	Sig,
		Vec_t const &	Ivs
	)		const [inline, virtual]

Reimplemented in CamClay.

void ElastoPlastic::InitIvs	(	SDPair const &	Ini,
		State *	Sta
	)		const [inline, virtual]

Implements Model.

Reimplemented in CamClay.

bool ElastoPlastic::LoadCond	(	State const *	Sta,
		Vec_t const &	DEps,
		double &	alpInt
	)		const [inline, virtual]

Reimplemented from Model.

void ElastoPlastic::Rate	(	State const *	Sta,
		Vec_t const &	DEpsDt,
		Vec_t &	DSigDt,
		Vec_t &	DIvsDt
	)		const [inline, virtual]

Reimplemented from Model.

void ElastoPlastic::Stiffness	(	State const *	Sta,
		Mat_t &	D
	)		const [inline, virtual]

Reimplemented from Model.

void ElastoPlastic::TgIncs	(	State const *	Sta,
		Vec_t &	DEps,
		Vec_t &	DSig,
		Vec_t &	DIvs
	)		const [inline, virtual]

Reimplemented from Model.

double ElastoPlastic::YieldFunc	(	Vec_t const &	Sig,
		Vec_t const &	Ivs
	)		const [inline, virtual]

Reimplemented in CamClay.

---

Member Data Documentation

double ElastoPlastic::AlpSU

Alpha coefficient for new stress update.

double ElastoPlastic::BetSU

Beta coefficient for new stress update.

double ElastoPlastic::DCFTol

Drift correction ys function tolerance.

size_t ElastoPlastic::DCMaxIt

Drift correction max iterations.

Mat_t ElastoPlastic::De [mutable]

Elastic stiffness.

Mat_t ElastoPlastic::Dep [mutable]

Elastoplastic stiffness.

Vec_t ElastoPlastic::DEpsEl [mutable]

Elastic strain increment.

Vec_t ElastoPlastic::DEpsPl [mutable]

Plastic strain increment == Lam*W.

bool ElastoPlastic::Derived

Derived model (such as CamClay)

Vec_t ElastoPlastic::DeW [mutable]

De*W.

Vec_t ElastoPlastic::dgdsig [mutable]

derivative of g w.r.t sigma

Vec_t ElastoPlastic::dI1dsig [mutable]

Vec_t ElastoPlastic::dI2dsig [mutable]

Vec_t ElastoPlastic::dI3dsig [mutable]

derivative of characteristic invariants

Vec_t ElastoPlastic::DSigTr [mutable]

Variables for yield crossing detection.

Vec_t ElastoPlastic::dthdsig [mutable]

Derivative of theta w.r.t sigma.

double ElastoPlastic::E

Young.

FCrit_t ElastoPlastic::FC

Failure criterion: VM:Von-Mises.

double ElastoPlastic::FTol

Tolerance to be used when finding the intersection.

double ElastoPlastic::g [mutable]

Vec_t ElastoPlastic::H [mutable]

NIvs: Hardening coefficients, one for each internal variable.

double ElastoPlastic::Hb

Hardening coefficient H_bar.

double ElastoPlastic::I1 [mutable]

double ElastoPlastic::I2 [mutable]

double ElastoPlastic::I3 [mutable]

Invariants.

Vec_t ElastoPlastic::Ivs0 [mutable]

double ElastoPlastic::kGE

General FC coefficient.

double ElastoPlastic::kGEpot

General FC coefficient (for potential/flow rule)

double ElastoPlastic::kVM

von Mises coefficient

bool ElastoPlastic::NewSU

New stress update ?

double ElastoPlastic::nu

Poisson.

double ElastoPlastic::p [mutable]

double ElastoPlastic::pc [mutable]

double ElastoPlastic::pm [mutable]

double ElastoPlastic::pTol

Tolerance for minimum poct.

double ElastoPlastic::q [mutable]

double ElastoPlastic::qTol

Tolerance for minimum qoct.

double ElastoPlastic::r2 [mutable]

Variables for smoothing with arc.

Vec_t ElastoPlastic::s [mutable]

Deviator of sigma.

Vec_t ElastoPlastic::Sig0 [mutable]

Vec_t ElastoPlastic::SigA [mutable]

Vec_t ElastoPlastic::SigB [mutable]

SigmaBar: shifted sigma for cohesion.

SMPInvs ElastoPlastic::SMP [mutable]

SMP invariants.

double ElastoPlastic::sphi

Sin(phi) friction angle.

double ElastoPlastic::spsi

Sin(psi) dilatancy angle.

double ElastoPlastic::t [mutable]

double ElastoPlastic::th [mutable]

Vec_t ElastoPlastic::V [mutable]

NCps: Gradient of the yield surface.

Vec_t ElastoPlastic::VDe [mutable]

V*De.

Vec_t ElastoPlastic::W [mutable]

NCps: Plastic flow rule direction.

Vec_t ElastoPlastic::Y [mutable]

NIvs: Derivative of the yield surface w.r.t internal variables.

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

• /home/dorival/mechsys/lib/models/elastoplastic.h