Class EnrichmentFront: describes the edge or tip of an XFEM enrichment. More...

#include <enrichmentfront.h>

Inheritance diagram for oofem::EnrichmentFront:

Collaboration diagram for oofem::EnrichmentFront:

Public Member Functions
	EnrichmentFront (int iEIindex=0)

virtual	~EnrichmentFront ()

virtual void	MarkNodesAsFront (std::unordered_map< int, NodeEnrichmentType > &ioNodeEnrMarkerMap, XfemManager &ixFemMan, const std::unordered_map< int, double > &iLevelSetNormalDirMap, const std::unordered_map< int, double > &iLevelSetTangDirMap, const TipInfo &iTipInfo)=0
	MarkNodesAsFront: Intput: -ioNodeEnrMarker: A vector with the same size as the number of nodes in the mesh where the nodes corresponding to interior XFEM enrichments are marked with 1, other entries are zero. More...

virtual int	giveNumEnrichments (const DofManager &iDMan) const =0

virtual int	giveMaxNumEnrichments () const =0

virtual void	evaluateEnrFuncAt (std::vector< double > &oEnrFunc, const EfInput &iEfInput) const =0

virtual void	evaluateEnrFuncDerivAt (std::vector< FloatArray > &oEnrFuncDeriv, const EfInput &iEfInput, const FloatArray &iGradLevelSet) const =0

virtual void	evaluateEnrFuncJumps (std::vector< double > &oEnrFuncJumps, GaussPoint &iGP, int iNodeInd, bool iGPLivesOnCurrentCrack, const double &iNormalSignDist) const =0

std::string	errorInfo (const char *func) const

virtual const char *	giveClassName () const =0

virtual const char *	giveInputRecordName () const =0

virtual IRResultType	initializeFrom (InputRecord *ir)=0

virtual void	giveInputRecord (DynamicInputRecord &input)=0

virtual double	giveSupportRadius () const =0

virtual bool	propagationIsAllowed () const

const TipInfo &	giveTipInfo () const

virtual void	setTipInfo (const TipInfo &iTipInfo)

void	computeCrackTangent (FloatArray &oTangent, FloatArray &oNormal, bool &oFlipTangent, const EfInput &iEfInput) const

Public Attributes
int	mEIindex

Protected Member Functions
void	MarkTipElementNodesAsFront (std::unordered_map< int, NodeEnrichmentType > &ioNodeEnrMarkerMap, XfemManager &ixFemMan, const std::unordered_map< int, double > &iLevelSetNormalDirMap, const std::unordered_map< int, double > &iLevelSetTangDirMap, const TipInfo &iTipInfo)
	Several enrichment fronts enrich all nodes in the tip element. More...

Protected Attributes
TipInfo	mTipInfo
	reference to the associated enrichment item More...

Detailed Description

Class EnrichmentFront: describes the edge or tip of an XFEM enrichment.

The purpose is to add a different treatment of the front than the "interior" enrichments. We may, e.g.

Apply branch functions at a crack tip for the element containing the crack tip.
Apply branch functions on nodes within a certain radius from the crack tip.
Exclude nodes touched by the front.

The desired behavior is obtained by choosing a suitable EnrichmentFront.

Author: Erik Svenning

Date: Feb 14, 2014

Definition at line 90 of file enrichmentfront.h.

Constructor & Destructor Documentation

oofem::EnrichmentFront::EnrichmentFront ( int iEIindex = 0 )

inline

Definition at line 93 of file enrichmentfront.h.

virtual oofem::EnrichmentFront::~EnrichmentFront ( )

inlinevirtual

Definition at line 94 of file enrichmentfront.h.

Member Function Documentation

void oofem::EnrichmentFront::computeCrackTangent	(	FloatArray &	oTangent,
		FloatArray &	oNormal,
		bool &	oFlipTangent,
		const EfInput &	iEfInput
	)		const

Definition at line 70 of file enrichmentfront.C.

References oofem::FloatArray::at(), oofem::FloatArray::dotProduct(), oofem::EfInput::mLocalTangDir, oofem::TipInfo::mTangDir, mTipInfo, and oofem::FloatArray::times().

Referenced by oofem::EnrFrontLinearBranchFuncOneEl::evaluateEnrFuncAt(), oofem::EnrFrontLinearBranchFuncRadius::evaluateEnrFuncAt(), oofem::EnrFrontCohesiveBranchFuncOneEl::evaluateEnrFuncAt(), oofem::EnrFrontLinearBranchFuncOneEl::evaluateEnrFuncDerivAt(), oofem::EnrFrontLinearBranchFuncRadius::evaluateEnrFuncDerivAt(), and oofem::EnrFrontCohesiveBranchFuncOneEl::evaluateEnrFuncDerivAt().

std :: string oofem::EnrichmentFront::errorInfo ( const char * func ) const

inline

Definition at line 120 of file enrichmentfront.h.

virtual void oofem::EnrichmentFront::evaluateEnrFuncAt	(	std::vector< double > &	oEnrFunc,
		const EfInput &	iEfInput
	)		const

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontExtend, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, oofem::EnrFrontReduceFront, and oofem::EnrFrontDoNothing.

Referenced by oofem::GeometryBasedEI::evaluateEnrFuncAt(), and oofem::GeometryBasedEI::evaluateEnrFuncInNode().

virtual void oofem::EnrichmentFront::evaluateEnrFuncDerivAt	(	std::vector< FloatArray > &	oEnrFuncDeriv,
		const EfInput &	iEfInput,
		const FloatArray &	iGradLevelSet
	)		const

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontExtend, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, oofem::EnrFrontReduceFront, and oofem::EnrFrontDoNothing.

Referenced by oofem::GeometryBasedEI::evaluateEnrFuncDerivAt().

virtual void oofem::EnrichmentFront::evaluateEnrFuncJumps	(	std::vector< double > &	oEnrFuncJumps,
		GaussPoint &	iGP,
		int	iNodeInd,
		bool	iGPLivesOnCurrentCrack,
		const double &	iNormalSignDist
	)		const

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontExtend, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, oofem::EnrFrontReduceFront, and oofem::EnrFrontDoNothing.

Referenced by oofem::GeometryBasedEI::evaluateEnrFuncJumps().

virtual const char* oofem::EnrichmentFront::giveClassName ( ) const

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontExtend, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontReduceFront, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, and oofem::EnrFrontDoNothing.

virtual void oofem::EnrichmentFront::giveInputRecord ( DynamicInputRecord & input )

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontExtend, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontReduceFront, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, and oofem::EnrFrontDoNothing.

Referenced by oofem::GeometryBasedEI::appendInputRecords(), and oofem::Delamination::appendInputRecords().

virtual const char* oofem::EnrichmentFront::giveInputRecordName ( ) const

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontExtend, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontReduceFront, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, and oofem::EnrFrontDoNothing.

virtual int oofem::EnrichmentFront::giveMaxNumEnrichments ( ) const

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontExtend, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, oofem::EnrFrontReduceFront, and oofem::EnrFrontDoNothing.

Referenced by oofem::EnrichmentItem::giveNumberOfEnrDofs().

virtual int oofem::EnrichmentFront::giveNumEnrichments ( const DofManager & iDMan ) const

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontExtend, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, oofem::EnrFrontReduceFront, and oofem::EnrFrontDoNothing.

Referenced by oofem::EnrichmentItem::giveNumDofManEnrichments().

virtual double oofem::EnrichmentFront::giveSupportRadius ( ) const

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontExtend, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontReduceFront, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, and oofem::EnrFrontDoNothing.

Referenced by oofem::GeometryBasedEI::giveBoundingSphere().

const TipInfo& oofem::EnrichmentFront::giveTipInfo ( ) const

inline

Definition at line 132 of file enrichmentfront.h.

Referenced by oofem::XfemStructuralElementInterface::giveIntersectionsTouchingCrack(), oofem::GnuplotExportModule::outputXFEM(), oofem::PLPrincipalStrain::propagateInterface(), oofem::PLCZdamageRadius::propagateInterface(), oofem::PLMaterialForce::propagateInterface(), oofem::PLHoopStressCirc::propagateInterface(), oofem::PLCrackPrescribedDir::propagateInterface(), oofem::PLnodeRadius::propagateInterface(), and oofem::XfemStructureManager::tipsHaveOppositeDirection().

virtual IRResultType oofem::EnrichmentFront::initializeFrom ( InputRecord * ir )

pure virtual

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontExtend, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontReduceFront, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, and oofem::EnrFrontDoNothing.

Referenced by oofem::GeometryBasedEI::instanciateYourself(), and oofem::Delamination::instanciateYourself().

virtual void oofem::EnrichmentFront::MarkNodesAsFront	(	std::unordered_map< int, NodeEnrichmentType > &	ioNodeEnrMarkerMap,
		XfemManager &	ixFemMan,
		const std::unordered_map< int, double > &	iLevelSetNormalDirMap,
		const std::unordered_map< int, double > &	iLevelSetTangDirMap,
		const TipInfo &	iTipInfo
	)

pure virtual

MarkNodesAsFront: Intput: -ioNodeEnrMarker: A vector with the same size as the number of nodes in the mesh where the nodes corresponding to interior XFEM enrichments are marked with 1, other entries are zero.

Output: -ioNodeEnrMarker: Modifies the vector by marking tip nodes as 2, meaning that they should get special treatment. May also modify the set of nodes enriched by the interior enrichment.

Implemented in oofem::EnrFrontCohesiveBranchFuncOneEl, oofem::EnrFrontLinearBranchFuncRadius, oofem::EnrFrontIntersection, oofem::EnrFrontLinearBranchFuncOneEl, oofem::EnrFrontDoNothing, oofem::EnrFrontExtend, and oofem::EnrFrontReduceFront.

Referenced by oofem::GeometryBasedEI::updateNodeEnrMarker().

void oofem::EnrichmentFront::MarkTipElementNodesAsFront	(	std::unordered_map< int, NodeEnrichmentType > &	ioNodeEnrMarkerMap,
		XfemManager &	ixFemMan,
		const std::unordered_map< int, double > &	iLevelSetNormalDirMap,
		const std::unordered_map< int, double > &	iLevelSetTangDirMap,
		const TipInfo &	iTipInfo
	)