FEM::Beam Class Reference

#include <beam.h>

Inheritance diagram for FEM::Beam:

List of all members.

Public Member Functions
	Beam (int NDim, Mesh::Cell const &Cell, Model const *Mdl, Model const *XMdl, SDPair const &Prp, SDPair const &Ini, Array< Node * > const &Nodes)
	Connectivity.
void	SetBCs (size_t IdxEdgeOrFace, SDPair const &BCs, BCFuncs *BCF)
	IdxEdgeOrFace is ignored.
void	ClrBCs ()
	Clear boundary conditions.
void	GetLoc (Array< size_t > &Loc) const
	Get location vector for mounting K/M matrices.
void	CalcK (Mat_t &K) const
	Stiffness matrix.
void	CalcM (Mat_t &M) const
	Mass matrix.
void	CalcT (Mat_t &T, double &l, Vec3_t *normal=NULL) const
	Transformation matrix.
void	UpdateState (Vec_t const &dU, Vec_t *F_int=NULL) const
void	StateKeys (Array< String > &Keys) const
	Get state keys.
void	StateAtNodes (Array< SDPair > &Results) const
	State at nodes.
void	CalcRes (double r, double &N, double &V, double &M) const
	Resultants: Axial force N, Shear force V, Bending moment M.
void	Draw (std::ostream &os, MPyPrms const &Prms) const
	Draw beam and diagram of M, V, or N.
Public Attributes
double	E
	Young modulus.
double	A
	Cross-sectional area.
double	Izz
	Inertia.
double	rho
	Density.
double	qnl
	Normal load (left)
double	qnr
	Normal load (right)
bool	HasQn
	Has normal load ?

---

Constructor & Destructor Documentation

FEM::Beam::Beam	(	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

---

Member Function Documentation

void FEM::Beam::CalcK

(

Mat_t &

K

)

const [inline, virtual]

Stiffness matrix.

Reimplemented from FEM::Element.

void FEM::Beam::CalcM

(

Mat_t &

M

)

const [inline, virtual]

Mass matrix.

Reimplemented from FEM::Element.

void FEM::Beam::CalcRes	(	double	r,
		double &	N,
		double &	V,
		double &	M
	)		const [inline]

Resultants: Axial force N, Shear force V, Bending moment M.

void FEM::Beam::CalcT	(	Mat_t &	T,
		double &	l,
		Vec3_t *	normal = NULL
	)		const [inline]

Transformation matrix.

void FEM::Beam::ClrBCs

(

)

[inline, virtual]

Clear boundary conditions.

Reimplemented from FEM::Element.

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

Draw beam and diagram of M, V, or N.

Reimplemented from FEM::Element.

void FEM::Beam::GetLoc

(

Array< size_t > &

Loc

)

const [inline, virtual]

Get location vector for mounting K/M matrices.

Reimplemented from FEM::Element.

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

IdxEdgeOrFace is ignored.

Reimplemented from FEM::Element.

void FEM::Beam::StateAtNodes

(

Array< SDPair > &

Results

)

const [inline, virtual]

State at nodes.

Reimplemented from FEM::Element.

void FEM::Beam::StateKeys

(

Array< String > &

Keys

)

const [inline, virtual]

Get state keys.

Reimplemented from FEM::Element.

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

Reimplemented from FEM::Element.

---

Member Data Documentation

double FEM::Beam::A

Cross-sectional area.

double FEM::Beam::E

Young modulus.

bool FEM::Beam::HasQn

Has normal load ?

double FEM::Beam::Izz

Inertia.

double FEM::Beam::qnl

Normal load (left)

double FEM::Beam::qnr

Normal load (right)

double FEM::Beam::rho

Density.

---

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

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