FEM::Node Class Reference

#include <node.h>

List of all members.

Public Member Functions
	Node (Mesh::Vertex const &TheVert)
void	AddDOF (char const *StrU, char const *StrF)
	Add DOF if it doesn't exist. Ex.: StrU="ux uy", StrF="fx fy".
size_t	NDOF () const
	Get the number of DOFs.
double	U (char const *UKey) const
	Get U value.
double	F (char const *FKey) const
	Get F value.
double &	U (String const &UKey)
	Get/Set U value.
double &	F (String const &FKey)
	Get/Set F value.
double &	U (char const *UKey)
	Get/Set U value.
double &	F (char const *FKey)
	Get/Set F value.
double &	V (size_t IdxDOF)
	Get/Set V value given IdxDOF.
double &	U (size_t IdxDOF)
	Get/Set U value given IdxDOF.
double &	F (size_t IdxDOF)
	Get/Set F value given IdxDOF.
double	UOrZero (String const &UKey) const
	U value or zero if U key does not exist.
double	VOrZero (String const &UKey) const
	V value or zero if U key does not exist.
double	FOrZero (String const &FKey) const
	F value or zero if F key does not exist.
void	TrySetU (String const &UKey, double Val)
	Try to set U if key exists.
void	TrySetF (String const &FKey, double Val)
	Try to set F if key exists.
int	Eq (char const *UKey) const
	Get Equation number.
int	Eq (String const &UKey) const
	Get Equation number.
int	Eq (size_t IdxDOF) const
	Get Equation number given index of DOF.
int &	Eq (size_t IdxDOF)
	Get/Set Equation number given index of DOF.
String const &	UKey (size_t IdxDOF) const
	Get U key.
String const &	FKey (size_t IdxDOF) const
	Get F key.
bool	pU (size_t IdxDOF) const
	Prescribed U ?
void	SetUF (Vec_t const &UVec, Vec_t const &FVec)
	Set internal U and F values given global vectors.
void	SetUVF (Vec_t const &UVec, Vec_t const &VVec, Vec_t const &FVec)
	Set internal U, V and F values given global vectors.
void	GetUF (Vec_t &UVec, Vec_t &FVec)
	Get U and F values and store into UVec and FVec vectors.
void	Clear ()
	Clear all values but keep structure of DOFs.
void	ClearU ()
	Clear U values only.
void	SetPU (String const &UKey, double Val, BCFuncs *BCF=NULL)
	Set prescribed U.
void	SetMPU (size_t IdxPU, BCFuncs *BCF=NULL)
	Set multiplier to PU.
size_t	NPU () const
	Get number of prescribed U.
int	EqPU (size_t IdxPU) const
	Get Eq number corresponding to prescribed U.
void	DelPUs ()
	Delete PU structure.
String const &	PUKey (size_t IdxPU) const
	Get PU key.
double	PU (size_t IdxPU, double Time) const
	Get prescribed U value given index to PU.
double	PV (size_t IdxPU, double Time) const
	Get prescribed V=dUdt value given index to PU.
double	PA (size_t IdxPU, double Time) const
	Get prescribed A=d2Udt2 value given index to PU.
double	PUIdxDOF (size_t IdxDOF, double Time) const
	Get prescribed U given index of DOF.
double	PVIdxDOF (size_t IdxDOF, double Time) const
	Get prescribed V given index of DOF.
double	PAIdxDOF (size_t IdxDOF, double Time) const
	Get prescribed A given index of DOF.
void	AddToPF (String const &FKey, double Val, BCFuncs *BCF=NULL)
	Add value to prescribed F.
void	SetMPF (size_t IdxPF, BCFuncs *BCF=NULL)
	Set multiplier to PF.
size_t	NPF () const
	Get number of prescribed F.
int	EqPF (size_t IdxPF) const
	Get Eq number corresponding to prescribed F.
void	DelPFs ()
	Delete PF structure.
String const &	PFKey (size_t IdxPF) const
	Get PF key.
double	PF (size_t IdxPF, double Time) const
	Get prescribed F value given index to PF.
double	PFOrZero (size_t IdxDOF, double Time) const
	Get prescribed F given index of DOF.
void	AccumPF ()
	Accumulate prescribed F (to calculate Reactions later). Copy from _PF into _aPF.
void	Reactions (std::map< String, double > &R) const
	Calculate reactions.
void	SetPin (Array< Node * > const &ConnectedNodes)
	Set Pin.
void	SetLagPin (int &EqLag, Sparse::Triplet< double, int > &A) const
	Set A matrix with the equations for the Lagrangian multipliers corresponding to pins. Will increment EqLag.
void	ClrRPin (int &EqLag, Vec_t &R) const
	Clear R components corresponding pins. Will inclined EqLag.
void	SetIncSup (double Alpha)
	Set inclined support.
void	DelIncSup ()
	Delete inclined support.
bool	HasIncSup () const
	Has inclined support ?
void	SetLagIncSup (int &EqLag, Sparse::Triplet< double, int > &A) const
	Set A matrix with the equations for the Lagrangian multipliers corresponding to inclined supports. Will increment EqLag.
void	ClrRIncSup (int &EqLag, Vec_t &R) const
	Clear R components corresponding to inclined supports. Will inclined EqLag.
Public Attributes
Mesh::Vertex const &	Vert
	Geometric information: ID, Tag, coordinates.
long	NShares
	Number of active elements sharing this node.
Friends
std::ostream &	operator<< (std::ostream &os, Node const &N)

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Constructor & Destructor Documentation

FEM::Node::Node

(

Mesh::Vertex const &

TheVert

)

[inline]

---

Member Function Documentation

void FEM::Node::AccumPF

(

)

[inline]

Accumulate prescribed F (to calculate Reactions later). Copy from _PF into _aPF.

void FEM::Node::AddDOF	(	char const *	StrU,
		char const *	StrF
	)		[inline]

Add DOF if it doesn't exist. Ex.: StrU="ux uy", StrF="fx fy".

void FEM::Node::AddToPF	(	String const &	FKey,
		double	Val,
		BCFuncs *	BCF = NULL
	)		[inline]

Add value to prescribed F.

void FEM::Node::Clear

(

)

[inline]

Clear all values but keep structure of DOFs.

void FEM::Node::ClearU

(

)

[inline]

Clear U values only.

void FEM::Node::ClrRIncSup	(	int &	EqLag,
		Vec_t &	R
	)		const [inline]

Clear R components corresponding to inclined supports. Will inclined EqLag.

void FEM::Node::ClrRPin	(	int &	EqLag,
		Vec_t &	R
	)		const [inline]

Clear R components corresponding pins. Will inclined EqLag.

void FEM::Node::DelIncSup

(

)

[inline]

Delete inclined support.

void FEM::Node::DelPFs

(

)

[inline]

Delete PF structure.

void FEM::Node::DelPUs

(

)

[inline]

Delete PU structure.

int FEM::Node::Eq

(

char const *

UKey

)

const [inline]

Get Equation number.

int FEM::Node::Eq

(

String const &

UKey

)

const [inline]

Get Equation number.

int FEM::Node::Eq

(

size_t

IdxDOF

)

const [inline]

Get Equation number given index of DOF.

int& FEM::Node::Eq

(

size_t

IdxDOF

)

[inline]

Get/Set Equation number given index of DOF.

int FEM::Node::EqPF

(

size_t

IdxPF

)

const [inline]

Get Eq number corresponding to prescribed F.

int FEM::Node::EqPU

(

size_t

IdxPU

)

const [inline]

Get Eq number corresponding to prescribed U.

double FEM::Node::F

(

char const *

FKey

)

const [inline]

Get F value.

double& FEM::Node::F

(

String const &

FKey

)

[inline]

Get/Set F value.

double& FEM::Node::F

(

char const *

FKey

)

[inline]

Get/Set F value.

double& FEM::Node::F

(

size_t

IdxDOF

)

[inline]

Get/Set F value given IdxDOF.

String const& FEM::Node::FKey

(

size_t

IdxDOF

)

const [inline]

Get F key.

double FEM::Node::FOrZero

(

String const &

FKey

)

const [inline]

F value or zero if F key does not exist.

void FEM::Node::GetUF	(	Vec_t &	UVec,
		Vec_t &	FVec
	)		[inline]

Get U and F values and store into UVec and FVec vectors.

bool FEM::Node::HasIncSup

(

)

const [inline]

Has inclined support ?

size_t FEM::Node::NDOF

(

)

const [inline]

Get the number of DOFs.

size_t FEM::Node::NPF

(

)

const [inline]

Get number of prescribed F.

size_t FEM::Node::NPU

(

)

const [inline]

Get number of prescribed U.

double FEM::Node::PA	(	size_t	IdxPU,
		double	Time
	)		const [inline]

Get prescribed A=d2Udt2 value given index to PU.

double FEM::Node::PAIdxDOF	(	size_t	IdxDOF,
		double	Time
	)		const [inline]

Get prescribed A given index of DOF.

double FEM::Node::PF	(	size_t	IdxPF,
		double	Time
	)		const [inline]

Get prescribed F value given index to PF.

String const& FEM::Node::PFKey

(

size_t

IdxPF

)

const [inline]

Get PF key.

double FEM::Node::PFOrZero	(	size_t	IdxDOF,
		double	Time
	)		const [inline]

Get prescribed F given index of DOF.

bool FEM::Node::pU

(

size_t

IdxDOF

)

const [inline]

Prescribed U ?

double FEM::Node::PU	(	size_t	IdxPU,
		double	Time
	)		const [inline]

Get prescribed U value given index to PU.

double FEM::Node::PUIdxDOF	(	size_t	IdxDOF,
		double	Time
	)		const [inline]

Get prescribed U given index of DOF.

String const& FEM::Node::PUKey

(

size_t

IdxPU

)

const [inline]

Get PU key.

double FEM::Node::PV	(	size_t	IdxPU,
		double	Time
	)		const [inline]

Get prescribed V=dUdt value given index to PU.

double FEM::Node::PVIdxDOF	(	size_t	IdxDOF,
		double	Time
	)		const [inline]

Get prescribed V given index of DOF.

void FEM::Node::Reactions

(

std::map< String, double > &

R

)

const [inline]

Calculate reactions.

void FEM::Node::SetIncSup

(

double

Alpha

)

[inline]

Set inclined support.

void FEM::Node::SetLagIncSup	(	int &	EqLag,
		Sparse::Triplet< double, int > &	A
	)		const [inline]

Set A matrix with the equations for the Lagrangian multipliers corresponding to inclined supports. Will increment EqLag.

void FEM::Node::SetLagPin	(	int &	EqLag,
		Sparse::Triplet< double, int > &	A
	)		const [inline]

Set A matrix with the equations for the Lagrangian multipliers corresponding to pins. Will increment EqLag.

void FEM::Node::SetMPF	(	size_t	IdxPF,
		BCFuncs *	BCF = NULL
	)		[inline]

Set multiplier to PF.

void FEM::Node::SetMPU	(	size_t	IdxPU,
		BCFuncs *	BCF = NULL
	)		[inline]

Set multiplier to PU.

void FEM::Node::SetPin

(

Array< Node * > const &

ConnectedNodes

)

[inline]

Set Pin.

void FEM::Node::SetPU	(	String const &	UKey,
		double	Val,
		BCFuncs *	BCF = NULL
	)		[inline]

Set prescribed U.

void FEM::Node::SetUF	(	Vec_t const &	UVec,
		Vec_t const &	FVec
	)		[inline]

Set internal U and F values given global vectors.

void FEM::Node::SetUVF	(	Vec_t const &	UVec,
		Vec_t const &	VVec,
		Vec_t const &	FVec
	)		[inline]

Set internal U, V and F values given global vectors.

void FEM::Node::TrySetF	(	String const &	FKey,
		double	Val
	)		[inline]

Try to set F if key exists.

void FEM::Node::TrySetU	(	String const &	UKey,
		double	Val
	)		[inline]

Try to set U if key exists.

double FEM::Node::U

(

char const *

UKey

)

const [inline]

Get U value.

double& FEM::Node::U

(

String const &

UKey

)

[inline]

Get/Set U value.

double& FEM::Node::U

(

char const *

UKey

)

[inline]

Get/Set U value.

double& FEM::Node::U

(

size_t

IdxDOF

)

[inline]

Get/Set U value given IdxDOF.

String const& FEM::Node::UKey

(

size_t

IdxDOF

)

const [inline]

Get U key.

double FEM::Node::UOrZero

(

String const &

UKey

)

const [inline]

U value or zero if U key does not exist.

double& FEM::Node::V

(

size_t

IdxDOF

)

[inline]

Get/Set V value given IdxDOF.

double FEM::Node::VOrZero

(

String const &

UKey

)

const [inline]

V value or zero if U key does not exist.

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Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		Node const &	N
	)		[friend]

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Member Data Documentation

long FEM::Node::NShares

Number of active elements sharing this node.

Mesh::Vertex const& FEM::Node::Vert

Geometric information: ID, Tag, coordinates.

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

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