ProblemEP Class Reference

#include <problemep.h>

Inheritance diagram for ProblemEP:

List of all members.

Public Types
enum	FCrit_t { VM_t, DP_t, MC_t, MN_t }
Public Member Functions
	ProblemEP (int NDim, SDPair const &Prms, bool DerivedModel=false)
virtual	~ProblemEP ()
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) const
virtual void	FlowRule (Vec_t const &Sig, Vec_t const &Ivs) 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 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_pqg (Vec_t const &Sig) const
void	Calc_dgdsig (Vec_t const &Sig, bool Potential=false) 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	kDP
	Drucker-Prager coefficient.
double	kMN
	Matsuoka-Nakai coefficient.
double	Hb
	Hardening coefficient H_bar.
bool	NonAssoc
	Non-associated flow rule ?
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	pTol
	Tolerance for minimum poct.
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.
Vec_t	I
	Idendity tensor.
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
Vec_t	devW
	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.

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Member Enumeration Documentation

enum ProblemEP::FCrit_t

Enumerator:

VM_t
DP_t
MC_t
MN_t

---

Constructor & Destructor Documentation

ProblemEP::ProblemEP	(	int	NDim,
		SDPair const &	Prms,
		bool	DerivedModel = false
	)		[inline]

virtual ProblemEP::~ProblemEP

(

)

[inline, virtual]

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Member Function Documentation

void ProblemEP::Calc_dgdsig	(	Vec_t const &	Sig,
		bool	Potential = false
	)		const [inline]

void ProblemEP::Calc_pq

(

Vec_t const &

Sig

)

const [inline]

void ProblemEP::Calc_pqg

(

Vec_t const &

Sig

)

const [inline]

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

size_t ProblemEP::CorrectDrift

(

State *

Sta

)

const [inline, virtual]

Reimplemented from Model.

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

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

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

void ProblemEP::FlowRule	(	Vec_t const &	Sig,
		Vec_t const &	Ivs
	)		const [inline, virtual]

void ProblemEP::Gradients	(	Vec_t const &	Sig,
		Vec_t const &	Ivs
	)		const [inline, virtual]

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

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

Implements Model.

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

Reimplemented from Model.

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

Reimplemented from Model.

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

Reimplemented from Model.

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

---

Member Data Documentation

double ProblemEP::AlpSU

Alpha coefficient for new stress update.

double ProblemEP::BetSU

Beta coefficient for new stress update.

double ProblemEP::DCFTol

Drift correction ys function tolerance.

size_t ProblemEP::DCMaxIt

Drift correction max iterations.

Mat_t ProblemEP::De [mutable]

Elastic stiffness.

Mat_t ProblemEP::Dep [mutable]

Elastoplastic stiffness.

Vec_t ProblemEP::DEpsEl [mutable]

Elastic strain increment.

Vec_t ProblemEP::DEpsPl [mutable]

Plastic strain increment == Lam*W.

bool ProblemEP::Derived

Derived model (such as CamClay)

Vec_t ProblemEP::devW [mutable]

NCps: Plastic flow rule direction.

Vec_t ProblemEP::DeW [mutable]

De*W.

Vec_t ProblemEP::dgdsig [mutable]

derivative of g w.r.t sigma

Vec_t ProblemEP::dI1dsig [mutable]

Vec_t ProblemEP::dI2dsig [mutable]

Vec_t ProblemEP::dI3dsig [mutable]

derivative of characteristic invariants

Vec_t ProblemEP::DSigTr [mutable]

Variables for yield crossing detection.

Vec_t ProblemEP::dthdsig [mutable]

Derivative of theta w.r.t sigma.

double ProblemEP::E

Young.

FCrit_t ProblemEP::FC

Failure criterion: VM:Von-Mises.

double ProblemEP::FTol

Tolerance to be used when finding the intersection.

double ProblemEP::g [mutable]

Vec_t ProblemEP::H [mutable]

NIvs: Hardening coefficients, one for each internal variable.

double ProblemEP::Hb

Hardening coefficient H_bar.

Vec_t ProblemEP::I

Idendity tensor.

Reimplemented from Model.

double ProblemEP::I1 [mutable]

double ProblemEP::I2 [mutable]

double ProblemEP::I3 [mutable]

Invariants.

Vec_t ProblemEP::Ivs0 [mutable]

double ProblemEP::kDP

Drucker-Prager coefficient.

double ProblemEP::kMN

Matsuoka-Nakai coefficient.

double ProblemEP::kVM

von Mises coefficient

bool ProblemEP::NewSU

New stress update ?

bool ProblemEP::NonAssoc

Non-associated flow rule ?

double ProblemEP::nu

Poisson.

double ProblemEP::p [mutable]

double ProblemEP::pTol

Tolerance for minimum poct.

double ProblemEP::q [mutable]

double ProblemEP::qTol

Tolerance for minimum qoct.

Vec_t ProblemEP::s [mutable]

Deviator of sigma.

Vec_t ProblemEP::Sig0 [mutable]

Vec_t ProblemEP::SigA [mutable]

double ProblemEP::sphi

Sin(phi) friction angle.

double ProblemEP::spsi

Sin(psi) dilatancy angle.

double ProblemEP::t [mutable]

double ProblemEP::th [mutable]

Vec_t ProblemEP::V [mutable]

NCps: Gradient of the yield surface.

Vec_t ProblemEP::VDe [mutable]

V*De.

Vec_t ProblemEP::W [mutable]

Vec_t ProblemEP::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/problemep.h