FEM::Element Class Reference

#include <element.h>

Inheritance diagram for FEM::Element:

List of all members.

Public Member Functions
	Element (int NDim, Mesh::Cell const &Cell, Model const *Mdl, Model const *XMdl, SDPair const &Prp, SDPair const &Ini, Array< Node * > const &Nodes)
	Connectivity.
virtual	~Element ()
virtual void	IncNLocDOF (size_t &NEq) const
	Increment the number of local DOFs.
virtual void	BackupState () const
	Backup element state.
virtual void	RestoreState () const
	Restore element state.
virtual void	SetBCs (size_t IdxEdgeOrFace, SDPair const &BCs, BCFuncs *BCF)
	Set boundary conditions.
virtual void	AddToF (double Time, Vec_t &F) const
	Add to (external) F vector contribution at each Time.
virtual void	ClrBCs ()
	Clear boundary conditions.
virtual void	GetLoc () const
	Get location vector for mounting K/M matrices.
virtual void	GetLoc (Array< size_t > &Loc) const
	Get location vector for mounting K/M matrices.
virtual void	ElemEqs (double Time, Vec_t const &V, Vec_t const &Ww, Vec_t const &Pw) const
	Get location vector for mounting K/M matrices.
virtual void	CalcK (Mat_t &K) const
virtual void	CalcM (Mat_t &M) const
virtual void	CalcC (Mat_t &C) const
virtual void	CalcK (Vec_t const &U, double Alpha, double dt, Mat_t &KK, Vec_t &dF) const
virtual void	CalcKCM (Mat_t &KK, Mat_t &CC, Mat_t &MM) const
virtual void	UpdateState (Vec_t const &dU, Vec_t *F_int=NULL) const
virtual void	SetFint (Vec_t *Fint=NULL) const
	Calculate Fi = K*U.
virtual void	StateKeys (Array< String > &Keys) const
	Get state keys, ex: sx, sy, sxy, ex, ey, exy.
virtual void	StateAtIP (SDPair &KeysVals, int IdxIP) const
	Get state at IP.
virtual void	StateAtIPs (Array< SDPair > &Results) const
	Get state (internal values: sig, eps) at all integration points.
virtual void	StateAtNodes (Array< SDPair > &Results) const
	Get state (internal values: sig, eps) at all nodes (applies extrapolation)
virtual void	Draw (std::ostream &os, MPyPrms const &Prms) const
	TODO: Move this to a Python script. Draw element with MatPlotLib.
virtual size_t	NIVs () const
	Number of internal variables.
virtual double	GetIV (size_t i) const
	Get internal variable.
virtual void	SetIV (size_t i, double Val)
	Set internal variable.
virtual void	CalcIVRate (double Time, Vec_t const &U, Vec_t const &V, Vec_t &Rate) const
	Calculate rate of internal variables.
virtual void	CorrectIVs ()
	Correct just set IVs.
virtual double	Update (size_t Idx, Vec_t const &V_g, Vec_t const &dPwdt_g, double dt)
	Update state.
virtual void	Restore ()
	Restore state.
void	CoordMatrix (Mat_t &C) const
	Matrix with coordinates of nodes.
void	FCoordMatrix (size_t IdxFace, Mat_t &C) const
	Matrix with coordinates of face nodes.
void	ShapeMatrix (Mat_t &M) const
	Matrix with shape functions evaluated at IPs.
void	CalcShape (Mat_t const &C, IntegPoint const &IP, double &detJ, double &Coef) const
	Results are in GE->N.
void	CalcFaceShape (Mat_t const &FC, IntegPoint const &FIP, double &detJ, double &Coef, double h=1.0) const
	Results are in GE->FN.
void	CalcFaceShape (Mat_t const &FC, IntegPoint const &FIP, Mat_t &J, double &detJ, double &Coef, double h=1.0) const
	Results are in GE->FN.
void	CoordsOfIP (size_t IdxIP, Vec_t &X) const
	x-y-z coordinates of integration point (IP)
Public Attributes
int	NDim
	Space dimension.
Mesh::Cell const &	Cell
	Geometric information: ID, Tag, connectivity.
Model const *	Mdl
	The model.
Model const *	XMdl
	Extra model.
GeomElem *	GE
	Element for geometry definition.
bool	Active
	Active element ?
GeomType	GTy
	Geometry type.
Array< Node * >	Con
	Connectivity.
Array< State * >	Sta
	State at the centre of the element or at each IP.
bool	IsUWP
	Is u-w-p element ?

---

Constructor & Destructor Documentation

FEM::Element::Element	(	int	NDim,
		Mesh::Cell const &	Cell,
		Model const *	Mdl,
		Model const *	XMdl,
		SDPair const &	Prp,
		SDPair const &	Ini,
		Array< Node * > const &	Nodes
	)		[inline]

Connectivity.

Parameters:

NDim	Space dimension
Cell	Geometric information: ID, Tag, connectivity
Mdl	Model
XMdl	Extra model
Prp	Properties
Ini	Initial values

FEM::Element::~Element

(

)

[inline, virtual]

---

Member Function Documentation

virtual void FEM::Element::AddToF	(	double	Time,
		Vec_t &	F
	)		const [inline, virtual]

Add to (external) F vector contribution at each Time.

void FEM::Element::BackupState

(

)

const [inline, virtual]

Backup element state.

virtual void FEM::Element::CalcC

(

Mat_t &

C

)

const [inline, virtual]

void FEM::Element::CalcFaceShape	(	Mat_t const &	FC,
		IntegPoint const &	FIP,
		double &	detJ,
		double &	Coef,
		double	h = 1.0
	)		const [inline]

Results are in GE->FN.

void FEM::Element::CalcFaceShape	(	Mat_t const &	FC,
		IntegPoint const &	FIP,
		Mat_t &	J,
		double &	detJ,
		double &	Coef,
		double	h = 1.0
	)		const [inline]

Results are in GE->FN.

virtual void FEM::Element::CalcIVRate	(	double	Time,
		Vec_t const &	U,
		Vec_t const &	V,
		Vec_t &	Rate
	)		const [inline, virtual]

Calculate rate of internal variables.

Reimplemented in FEM::HydroMechElem, and FEM::EquilibElem.

virtual void FEM::Element::CalcK

(

Mat_t &

K

)

const [inline, virtual]

Reimplemented in FEM::NLRod, FEM::USigCondElem, FEM::USigElem, FEM::USigEpsElem, FEM::EquilibElem, FEM::FlowElem, FEM::Beam, and FEM::Rod.

virtual void FEM::Element::CalcK	(	Vec_t const &	U,
		double	Alpha,
		double	dt,
		Mat_t &	KK,
		Vec_t &	dF
	)		const [inline, virtual]

virtual void FEM::Element::CalcKCM	(	Mat_t &	KK,
		Mat_t &	CC,
		Mat_t &	MM
	)		const [inline, virtual]

Reimplemented in FEM::HydroMechElem.

virtual void FEM::Element::CalcM

(

Mat_t &

M

)

const [inline, virtual]

Reimplemented in FEM::EquilibElem, FEM::FlowElem, and FEM::Beam.

void FEM::Element::CalcShape	(	Mat_t const &	C,
		IntegPoint const &	IP,
		double &	detJ,
		double &	Coef
	)		const [inline]

Results are in GE->N.

virtual void FEM::Element::ClrBCs

(

)

[inline, virtual]

Clear boundary conditions.

Reimplemented in FEM::FlowElem, and FEM::Beam.

void FEM::Element::CoordMatrix

(

Mat_t &

C

)

const [inline]

Matrix with coordinates of nodes.

void FEM::Element::CoordsOfIP	(	size_t	IdxIP,
		Vec_t &	X
	)		const [inline]

x-y-z coordinates of integration point (IP)

virtual void FEM::Element::CorrectIVs

(

)

[inline, virtual]

Correct just set IVs.

Reimplemented in FEM::EquilibElem.

void FEM::Element::Draw	(	std::ostream &	os,
		MPyPrms const &	Prms
	)		const [inline, virtual]

TODO: Move this to a Python script. Draw element with MatPlotLib.

Reimplemented in FEM::Beam, and FEM::Rod.

virtual void FEM::Element::ElemEqs	(	double	Time,
		Vec_t const &	V,
		Vec_t const &	Ww,
		Vec_t const &	Pw
	)		const [inline, virtual]

Get location vector for mounting K/M matrices.

Reimplemented in FEM::UWPElem.

void FEM::Element::FCoordMatrix	(	size_t	IdxFace,
		Mat_t &	C
	)		const [inline]

Matrix with coordinates of face nodes.

virtual double FEM::Element::GetIV

(

size_t

i

)

const [inline, virtual]

Get internal variable.

Reimplemented in FEM::HydroMechElem, and FEM::EquilibElem.

virtual void FEM::Element::GetLoc

(

)

const [inline, virtual]

Get location vector for mounting K/M matrices.

Reimplemented in FEM::UWPElem.

virtual void FEM::Element::GetLoc

(

Array< size_t > &

Loc

)

const [inline, virtual]

Get location vector for mounting K/M matrices.

Reimplemented in FEM::NLRod, FEM::HydroMechElem, FEM::USigCondElem, FEM::USigElem, FEM::USigEpsElem, FEM::EquilibElem, FEM::FlowElem, FEM::Beam, and FEM::Rod.

virtual void FEM::Element::IncNLocDOF

(

size_t &

NEq

)

const [inline, virtual]

Increment the number of local DOFs.

Reimplemented in FEM::USigElem, and FEM::USigEpsElem.

virtual size_t FEM::Element::NIVs

(

)

const [inline, virtual]

Number of internal variables.

Reimplemented in FEM::HydroMechElem, and FEM::EquilibElem.

virtual void FEM::Element::Restore

(

)

[inline, virtual]

Restore state.

Reimplemented in FEM::UWPElem.

void FEM::Element::RestoreState

(

)

const [inline, virtual]

Restore element state.

virtual void FEM::Element::SetBCs	(	size_t	IdxEdgeOrFace,
		SDPair const &	BCs,
		BCFuncs *	BCF
	)		[inline, virtual]

Set boundary conditions.

Reimplemented in FEM::UWPElem, FEM::USigCondElem, FEM::USigElem, FEM::USigEpsElem, FEM::HydroMechElem, FEM::EquilibElem, FEM::FlowElem, and FEM::Beam.

virtual void FEM::Element::SetFint

(

Vec_t *

Fint = NULL

)

const [inline, virtual]

Calculate Fi = K*U.

Reimplemented in FEM::EquilibElem.

virtual void FEM::Element::SetIV	(	size_t	i,
		double	Val
	)		[inline, virtual]

Set internal variable.

Reimplemented in FEM::HydroMechElem, and FEM::EquilibElem.

void FEM::Element::ShapeMatrix

(

Mat_t &

M

)

const [inline]

Matrix with shape functions evaluated at IPs.

virtual void FEM::Element::StateAtIP	(	SDPair &	KeysVals,
		int	IdxIP
	)		const [inline, virtual]

Get state at IP.

Reimplemented in FEM::UWPElem, FEM::USigCondElem, FEM::USigElem, FEM::HydroMechElem, FEM::USigEpsElem, FEM::EquilibElem, and FEM::FlowElem.

void FEM::Element::StateAtIPs

(

Array< SDPair > &

Results

)

const [inline, virtual]

Get state (internal values: sig, eps) at all integration points.

void FEM::Element::StateAtNodes

(

Array< SDPair > &

Results

)

const [inline, virtual]

Get state (internal values: sig, eps) at all nodes (applies extrapolation)

Reimplemented in FEM::Beam, and FEM::Rod.

virtual void FEM::Element::StateKeys

(

Array< String > &

Keys

)

const [inline, virtual]

Get state keys, ex: sx, sy, sxy, ex, ey, exy.

Reimplemented in FEM::UWPElem, FEM::USigCondElem, FEM::USigElem, FEM::HydroMechElem, FEM::USigEpsElem, FEM::EquilibElem, FEM::Beam, FEM::FlowElem, and FEM::Rod.

virtual double FEM::Element::Update	(	size_t	Idx,
		Vec_t const &	V_g,
		Vec_t const &	dPwdt_g,
		double	dt
	)		[inline, virtual]

Update state.

Reimplemented in FEM::UWPElem.

virtual void FEM::Element::UpdateState	(	Vec_t const &	dU,
		Vec_t *	F_int = NULL
	)		const [inline, virtual]

Reimplemented in FEM::NLRod, FEM::USigCondElem, FEM::USigElem, FEM::HydroMechElem, FEM::USigEpsElem, FEM::EquilibElem, FEM::Beam, FEM::FlowElem, and FEM::Rod.

---

Member Data Documentation

bool FEM::Element::Active

Active element ?

Mesh::Cell const& FEM::Element::Cell

Geometric information: ID, Tag, connectivity.

Array<Node*> FEM::Element::Con

Connectivity.

GeomElem* FEM::Element::GE

Element for geometry definition.

GeomType FEM::Element::GTy

Geometry type.

bool FEM::Element::IsUWP

Is u-w-p element ?

Model const* FEM::Element::Mdl

The model.

int FEM::Element::NDim

Space dimension.

Array<State*> FEM::Element::Sta

State at the centre of the element or at each IP.

Model const* FEM::Element::XMdl

Extra model.

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

• /home/dorival/mechsys/lib/fem/element.h