MPM::Grid2D Class Reference

#include <grid2d.h>

List of all members.

Public Member Functions
	Grid2D (double xMin, double yMin, size_t nRow, size_t nCol, double Lx, double Ly, ptIsFixed pIsFixed)
size_t	nNodes () const
	Return the number of nodes = nRow*nCol.
size_t	nCells () const
	Return the number of cells = (nRow-1)*(nCol-1)
bool	IsInside (Vector3D const &P, bool WithBorder=false)
	Check if a given point (P) is inside the grid.
void	ClearState (bool CurrentCoords=true)
	Reset all state values in the grid, such as mass, velocity, momentum, etc.
void	SetFixed (size_t i, FixType Type)
	Set fixed node # i.
void	SetLoading (size_t i, Vector3D const &Fe)
	Set external force (loading) on node # i.
void	FixNodes (Array< Vector3D > *VelOrDqDt)
	Fix nodes by clearing v (velocities) or dqdt (rate of momentum)
void	ApplyLoadings (double M)
	Apply loading using data on loaded nodes and scaling by the multiplier M.
void	Refine ()
	Refine the grid (bi-section)
size_t	LBN (Vector3D const &P, bool MPM=false)
	Left-bottom node.
bool	IsFixed (size_t n, size_t iD) const
	Check if node n is fixed along iD dimension.
double	xMin () const
	Returns Min x.
double	yMin () const
	Returns Min y.
double	xMax () const
	Returns Max x.
double	yMax () const
	Returns Max y.
size_t	nRow () const
	Returns Num of rows.
size_t	nCol () const
	Returns Num of columns.
double	L (size_t iComp) const
	Returns Cell-length 0=>x, 1=>y.
Vector3D const &	L () const
	Returns Cell-length 0=>x, 1=>y.
Array< Vector3D > const &	X () const
	Access all nodes (Undeformed coordinates)
Array< Vector3D > const &	x () const
	Access all nodes (Current coordinates)
Vector3D const &	X (size_t i) const
	Returns access to a node position - Undeformed (read)
Vector3D const &	x (size_t i) const
	Returns access to a node position - Current (read)
Vector3D &	x (size_t i)
	Returns access to a node position - Current (write)
Connec2D const &	C (size_t i) const
	Returns access to a connectivity (read)
size_t	nFix () const
	Returns the number of fixed nodes.
Vector3D const &	FixN (size_t i) const
	Access a fixed node (Undeformed coordinates)
FixType	FixT (size_t i) const
	Access the type of a fixed node.
size_t	nLd () const
	Returns the number of loaded nodes.
Vector3D const &	LdN (size_t i) const
	Access a loaded node (Undeformed coordinates)
Vector3D const &	Ld (size_t i) const
	Access a loading.
double &	m (size_t i)
	Nodes masses.
Vector3D &	q (size_t i)
	Nodes momenta (x,y comps)
Vector3D &	v (size_t i)
	Nodes velocities (x,y comps)
Vector3D &	fe (size_t i)
	Nodes external forces (x,y comps)
Vector3D &	fi (size_t i)
	Nodes internal forces (x,y comps)
Vector3D &	dqdt (size_t i)
	Rate of nodes momenta (x,y comps)
Array< Vector3D > &	q ()
	Nodes momenta (x,y comps)
Array< Vector3D > &	v ()
	Nodes velocities (x,y comps)
Array< Vector3D > &	dqdt ()
	Rate of nodes momenta (x,y comps)
double const &	m (size_t i) const
	Nodes masses.
Vector3D const &	q (size_t i) const
	Nodes momenta (x,y comps)
Vector3D const &	v (size_t i) const
	Nodes velocities (x,y comps)
Vector3D const &	fe (size_t i) const
	Nodes external forces (x,y comps)
Vector3D const &	fi (size_t i) const
	Nodes internal forces (x,y comps)
Vector3D const &	dqdt (size_t i) const
	Rate of nodes momenta (x,y comps)

---

Constructor & Destructor Documentation

MPM::Grid2D::Grid2D	(	double	xMin,
		double	yMin,
		size_t	nRow,
		size_t	nCol,
		double	Lx,
		double	Ly,
		ptIsFixed	pIsFixed
	)		[inline]

---

Member Function Documentation

void MPM::Grid2D::ApplyLoadings

(

double

M

)

[inline]

Apply loading using data on loaded nodes and scaling by the multiplier M.

Connec2D const& MPM::Grid2D::C

(

size_t

i

)

const [inline]

Returns access to a connectivity (read)

void MPM::Grid2D::ClearState

(

bool

CurrentCoords = true

)

[inline]

Reset all state values in the grid, such as mass, velocity, momentum, etc.

Vector3D& MPM::Grid2D::dqdt

(

size_t

i

)

[inline]

Rate of nodes momenta (x,y comps)

Array<Vector3D>& MPM::Grid2D::dqdt

(

)

[inline]

Rate of nodes momenta (x,y comps)

Vector3D const& MPM::Grid2D::dqdt

(

size_t

i

)

const [inline]

Rate of nodes momenta (x,y comps)

Vector3D& MPM::Grid2D::fe

(

size_t

i

)

[inline]

Nodes external forces (x,y comps)

Vector3D const& MPM::Grid2D::fe

(

size_t

i

)

const [inline]

Nodes external forces (x,y comps)

Vector3D& MPM::Grid2D::fi

(

size_t

i

)

[inline]

Nodes internal forces (x,y comps)

Vector3D const& MPM::Grid2D::fi

(

size_t

i

)

const [inline]

Nodes internal forces (x,y comps)

Vector3D const& MPM::Grid2D::FixN

(

size_t

i

)

const [inline]

Access a fixed node (Undeformed coordinates)

void MPM::Grid2D::FixNodes

(

Array< Vector3D > *

VelOrDqDt

)

[inline]

Fix nodes by clearing v (velocities) or dqdt (rate of momentum)

FixType MPM::Grid2D::FixT

(

size_t

i

)

const [inline]

Access the type of a fixed node.

bool MPM::Grid2D::IsFixed	(	size_t	n,
		size_t	iD
	)		const [inline]

Check if node n is fixed along iD dimension.

bool MPM::Grid2D::IsInside	(	Vector3D const &	P,
		bool	WithBorder = false
	)		[inline]

Check if a given point (P) is inside the grid.

double MPM::Grid2D::L

(

size_t

iComp

)

const [inline]

Returns Cell-length 0=>x, 1=>y.

Vector3D const& MPM::Grid2D::L

(

)

const [inline]

Returns Cell-length 0=>x, 1=>y.

size_t MPM::Grid2D::LBN	(	Vector3D const &	P,
		bool	MPM = false
	)		[inline]

Left-bottom node.

Vector3D const& MPM::Grid2D::Ld

(

size_t

i

)

const [inline]

Access a loading.

Vector3D const& MPM::Grid2D::LdN

(

size_t

i

)

const [inline]

Access a loaded node (Undeformed coordinates)

double& MPM::Grid2D::m

(

size_t

i

)

[inline]

Nodes masses.

double const& MPM::Grid2D::m

(

size_t

i

)

const [inline]

Nodes masses.

size_t MPM::Grid2D::nCells

(

)

const [inline]

Return the number of cells = (nRow-1)*(nCol-1)

size_t MPM::Grid2D::nCol

(

)

const [inline]

Returns Num of columns.

size_t MPM::Grid2D::nFix

(

)

const [inline]

Returns the number of fixed nodes.

size_t MPM::Grid2D::nLd

(

)

const [inline]

Returns the number of loaded nodes.

size_t MPM::Grid2D::nNodes

(

)

const [inline]

Return the number of nodes = nRow*nCol.

size_t MPM::Grid2D::nRow

(

)

const [inline]

Returns Num of rows.

Vector3D& MPM::Grid2D::q

(

size_t

i

)

[inline]

Nodes momenta (x,y comps)

Array<Vector3D>& MPM::Grid2D::q

(

)

[inline]

Nodes momenta (x,y comps)

Vector3D const& MPM::Grid2D::q

(

size_t

i

)

const [inline]

Nodes momenta (x,y comps)

void MPM::Grid2D::Refine

(

)

[inline]

Refine the grid (bi-section)

void MPM::Grid2D::SetFixed	(	size_t	i,
		FixType	Type
	)		[inline]

Set fixed node # i.

void MPM::Grid2D::SetLoading	(	size_t	i,
		Vector3D const &	Fe
	)		[inline]

Set external force (loading) on node # i.

Vector3D& MPM::Grid2D::v

(

size_t

i

)

[inline]

Nodes velocities (x,y comps)

Array<Vector3D>& MPM::Grid2D::v

(

)

[inline]

Nodes velocities (x,y comps)

Vector3D const& MPM::Grid2D::v

(

size_t

i

)

const [inline]

Nodes velocities (x,y comps)

Array<Vector3D> const& MPM::Grid2D::X

(

)

const [inline]

Access all nodes (Undeformed coordinates)

Array<Vector3D> const& MPM::Grid2D::x

(

)

const [inline]

Access all nodes (Current coordinates)

Vector3D const& MPM::Grid2D::X

(

size_t

i

)

const [inline]

Returns access to a node position - Undeformed (read)

Vector3D const& MPM::Grid2D::x

(

size_t

i

)

const [inline]

Returns access to a node position - Current (read)

Vector3D& MPM::Grid2D::x

(

size_t

i

)

[inline]

Returns access to a node position - Current (write)

double MPM::Grid2D::xMax

(

)

const [inline]

Returns Max x.

double MPM::Grid2D::xMin

(

)

const [inline]

Returns Min x.

double MPM::Grid2D::yMax

(

)

const [inline]

Returns Max y.

double MPM::Grid2D::yMin

(

)

const [inline]

Returns Min y.

---

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

• /home/dorival/mechsys/lib/mpm/grid2d.h