#include <contactpoint.h>

Inheritance diagram for oofem::FEContactPoint:

Collaboration diagram for oofem::FEContactPoint:

Public Member Functions
	FEContactPoint (FEContactSurface *cs, int ceId, int sd)
	~FEContactPoint ()
void	computeNmatrix (FloatMatrix &answer) override
	Computes the interpolation matrix (N-matrix) for this contact point.
void	compute_dNdxi_matrix (FloatMatrix &Bs, int i) override
	Computes derivative of shape functions w.r.t. the i-th local surface parameter.
FloatArray	giveNormalVector () override
	Returns the surface normal vector at the contact point.
void	computeVectorOf (ValueModeType mode, TimeStep *tStep, FloatArray &answer) override
	Computes a vector quantity of the contact point for a given value mode.
void	computeCurvature (FloatMatrix &G, const FloatArray &normal, TimeStep *tStep) override
	Computes curvature-related surface quantities at this contact point.
bool	giveLocationArray (IntArray &locationArray, const IntArray &dofIDArry, const UnknownNumberingScheme &s) const override
	Builds a location array for assembling quantities related to this contact point.
void	giveUnknownVector (FloatArray &answer, const IntArray &dofMask, ValueModeType mode, TimeStep *tStep, bool padding=false) override
	Extracts the unknown vector associated with this contact point.
void	giveUpdatedCoordinates (FloatArray &coords, TimeStep *tStep) override
	Returns updated coordinates of the contact point for the given time step.
bool	inContact () override
	Returns whether this contact point is currently in contact.
const FloatArray &	giveLocalCoordinates () override=0
	Returns the local (parametric) coordinates of the contact point.
FloatArray	giveGlobalCoordinates () override=0
	Returns the current global coordinates of the contact point.
FEInterpolation *	giveInterpolation ()
int	giveContactElementId ()
void	setContactElementId (int ceId)
Public Member Functions inherited from oofem::ContactPoint
	ContactPoint ()
	~ContactPoint ()
virtual void	updateYourself (TimeStep *tStep)
	Called to update internal state of the contact point for the time step.
virtual void	init ()
	Initializes the contact point.
int	giveSurfaceDimension ()
	Returns the surface dimension associated with this contact point.

Protected Attributes
int	contactElementId
std::unique_ptr< FEContactSurface >	contactSurface
Protected Attributes inherited from oofem::ContactPoint
int	surface_dimension

Detailed Description

Definition at line 189 of file contactpoint.h.

Constructor & Destructor Documentation

◆ FEContactPoint()

oofem::FEContactPoint::FEContactPoint	(	FEContactSurface *	cs,
		int	ceId,
		int	sd )

inline

Definition at line 196 of file contactpoint.h.

References contactElementId, oofem::ContactPoint::ContactPoint(), contactSurface, and oofem::ContactPoint::surface_dimension.

Referenced by oofem::FEContactPoint_Master::FEContactPoint_Master(), and oofem::FEContactPoint_Slave::FEContactPoint_Slave().

◆ ~FEContactPoint()

oofem::FEContactPoint::~FEContactPoint ( )

inline

Definition at line 197 of file contactpoint.h.

Member Function Documentation

◆ compute_dNdxi_matrix()

void oofem::FEContactPoint::compute_dNdxi_matrix	(	FloatMatrix &	Bs,
		int	i )

overridevirtual

Computes derivative of shape functions w.r.t. the i-th local surface parameter.

Parameters

Bs	Output derivative matrix.
i	Local coordinate index.

Implements oofem::ContactPoint.

Definition at line 68 of file contactpoint.C.

References oofem::FloatMatrix::at(), oofem::FloatMatrix::beUnitMatrix(), giveInterpolation(), giveLocalCoordinates(), oofem::FloatMatrix::giveNumberOfRows(), oofem::FloatMatrix::resize(), oofem::FloatMatrix::setSubMatrix(), and oofem::ContactPoint::surface_dimension.

◆ computeCurvature()

void oofem::FEContactPoint::computeCurvature	(	FloatMatrix &	G,
		const FloatArray &	normal,
		TimeStep *	tStep )

overridevirtual

Computes curvature-related surface quantities at this contact point.

Parameters

G	Output curvature matrix/tensor representation.
normal	Current surface normal used for curvature evaluation.
tStep	Current time step.

Implements oofem::ContactPoint.

Definition at line 96 of file contactpoint.C.

References oofem::FloatArray::add(), oofem::FloatMatrix::at(), contactElementId, contactSurface, oofem::FloatArray::dotProduct(), giveInterpolation(), giveLocalCoordinates(), oofem::FEIElementDeformedGeometryWrapper::giveVertexCoordinates(), oofem::FloatMatrix::resize(), and oofem::ContactPoint::surface_dimension.

◆ computeNmatrix()

void oofem::FEContactPoint::computeNmatrix ( FloatMatrix & answer )

overridevirtual

Computes the interpolation matrix (N-matrix) for this contact point.

The N-matrix maps element/nodal DOFs to values at the contact point location.

Parameters

answer Output matrix.

Implements oofem::ContactPoint.

Definition at line 60 of file contactpoint.C.

References contactElementId, contactSurface, and giveLocalCoordinates().

◆ computeVectorOf()

void oofem::FEContactPoint::computeVectorOf	(	ValueModeType	u,
		TimeStep *	tStep,
		FloatArray &	answer )

overridevirtual

Computes a vector quantity of the contact point for a given value mode.

Typically used to retrieve displacement/velocity/etc. at the point.

Parameters

u	Value mode/quantity selector.
tStep	Current time step.
answer	Output vector.

Implements oofem::ContactPoint.

Definition at line 126 of file contactpoint.C.

References contactElementId, and contactSurface.

◆ giveContactElementId()

int oofem::FEContactPoint::giveContactElementId ( )

inline

Definition at line 221 of file contactpoint.h.

References contactElementId.

◆ giveGlobalCoordinates()

FloatArray oofem::FEContactPoint::giveGlobalCoordinates ( )

overridepure virtual

Returns the current global coordinates of the contact point.

Returns: Global position vector.

Implements oofem::ContactPoint.

Implemented in oofem::FEContactPoint_Master, and oofem::FEContactPoint_Slave.

◆ giveInterpolation()

FEInterpolation * oofem::FEContactPoint::giveInterpolation ( )

Definition at line 46 of file contactpoint.C.

References contactElementId, contactSurface, giveInterpolation(), OOFEM_ERROR, and oofem::ContactPoint::surface_dimension.

Referenced by compute_dNdxi_matrix(), computeCurvature(), giveInterpolation(), and giveUpdatedCoordinates().

◆ giveLocalCoordinates()

const FloatArray & oofem::FEContactPoint::giveLocalCoordinates ( )

overridepure virtual

Returns the local (parametric) coordinates of the contact point.

The returned reference must remain valid while the ContactPoint exists.

Returns: Local coordinates (e.g., ξ,η on a face/segment).

Implements oofem::ContactPoint.

Implemented in oofem::FEContactPoint_Master, and oofem::FEContactPoint_Slave.

Referenced by compute_dNdxi_matrix(), computeCurvature(), computeNmatrix(), giveNormalVector(), and giveUpdatedCoordinates().

◆ giveLocationArray()

bool oofem::FEContactPoint::giveLocationArray	(	IntArray &	locationArray,
		const IntArray &	dofIDArry,
		const UnknownNumberingScheme &	s ) const

overridevirtual

Builds a location array for assembling quantities related to this contact point.

Parameters

locationArray	Output location array.
dofIDArry	Requested DOF IDs/mask.
s	Numbering scheme.

Returns: True if the location array could be built, false otherwise.

Implements oofem::ContactPoint.

Definition at line 143 of file contactpoint.C.

References contactElementId, and contactSurface.

◆ giveNormalVector()

FloatArray oofem::FEContactPoint::giveNormalVector ( )

overridevirtual

Returns the surface normal vector at the contact point.

Returns: Normal vector.

Implements oofem::ContactPoint.

Definition at line 89 of file contactpoint.C.

References contactElementId, contactSurface, and giveLocalCoordinates().

◆ giveUnknownVector()

void oofem::FEContactPoint::giveUnknownVector	(	FloatArray &	answer,
		const IntArray &	dofMask,
		ValueModeType	mode,
		TimeStep *	tStep,
		bool	padding = false )

overridevirtual

Extracts the unknown vector associated with this contact point.

Used to obtain values (e.g. displacements) corresponding to a given DOF mask and value mode, with optional padding.

Parameters

answer	Output vector.
dofMask	DOF IDs/mask.
mode	Value mode (current/incremental/etc.).
tStep	Current time step.
padding	If true, pads missing entries to match requested layout.

Implements oofem::ContactPoint.

Definition at line 155 of file contactpoint.C.

References contactElementId, and contactSurface.

◆ giveUpdatedCoordinates()

void oofem::FEContactPoint::giveUpdatedCoordinates	(	FloatArray &	coords,
		TimeStep *	tStep )

overridevirtual

Returns updated coordinates of the contact point for the given time step.

Parameters

coords	Output coordinates.
tStep	Current time step.

Implements oofem::ContactPoint.

Definition at line 134 of file contactpoint.C.

References contactElementId, contactSurface, giveInterpolation(), and giveLocalCoordinates().

◆ inContact()

bool oofem::FEContactPoint::inContact ( )

inlineoverridevirtual

Returns whether this contact point is currently in contact.

Returns: True if in contact, false otherwise.

Implements oofem::ContactPoint.

Definition at line 215 of file contactpoint.h.

References contactElementId.

◆ setContactElementId()

void oofem::FEContactPoint::setContactElementId ( int ceId )

inline

Definition at line 222 of file contactpoint.h.

References contactElementId.

Member Data Documentation

◆ contactElementId

int oofem::FEContactPoint::contactElementId

protected

Definition at line 192 of file contactpoint.h.

Referenced by computeCurvature(), computeNmatrix(), computeVectorOf(), FEContactPoint(), giveContactElementId(), oofem::FEContactPoint_Master::giveGlobalCoordinates(), giveInterpolation(), giveLocationArray(), giveNormalVector(), giveUnknownVector(), giveUpdatedCoordinates(), inContact(), and setContactElementId().

◆ contactSurface

std::unique_ptr<FEContactSurface> oofem::FEContactPoint::contactSurface

protected

Definition at line 193 of file contactpoint.h.

Referenced by computeCurvature(), computeNmatrix(), computeVectorOf(), FEContactPoint(), oofem::FEContactPoint_Master::giveGlobalCoordinates(), giveInterpolation(), giveLocationArray(), giveNormalVector(), giveUnknownVector(), and giveUpdatedCoordinates().

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

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ FEContactPoint()

◆ ~FEContactPoint()

Member Function Documentation

◆ compute_dNdxi_matrix()

◆ computeCurvature()

◆ computeNmatrix()

◆ computeVectorOf()

◆ giveContactElementId()

◆ giveGlobalCoordinates()

◆ giveInterpolation()

◆ giveLocalCoordinates()

◆ giveLocationArray()

◆ giveNormalVector()

◆ giveUnknownVector()

◆ giveUpdatedCoordinates()

◆ inContact()

◆ setContactElementId()

Member Data Documentation

◆ contactElementId

◆ contactSurface