Imposes a prescribed gradient weakly on the boundary with a Neumann boundary condition. More...

#include <prescribedgradientbcneumann.h>

Inheritance diagram for oofem::PrescribedGradientBCNeumann:

Collaboration diagram for oofem::PrescribedGradientBCNeumann:

Public Member Functions
	PrescribedGradientBCNeumann (int n, Domain *d)

virtual	~PrescribedGradientBCNeumann ()

virtual int	giveNumberOfInternalDofManagers ()
	Gives the number of internal dof managers. More...

virtual DofManager *	giveInternalDofManager (int i)
	Gives an internal dof manager from receiver. More...

virtual IRResultType	initializeFrom (InputRecord *ir)
	Initializes receiver according to object description stored in input record. More...

virtual void	giveInputRecord (DynamicInputRecord &input)

virtual bcType	giveType () const

virtual void	scale (double s)
	Scales the receiver according to given value. More...

virtual void	assembleVector (FloatArray &answer, TimeStep tStep, CharType type, ValueModeType mode, const UnknownNumberingScheme &s, FloatArray eNorm=NULL)
	Assembles B.C. More...

virtual void	assemble (SparseMtrx &answer, TimeStep *tStep, CharType type, const UnknownNumberingScheme &r_s, const UnknownNumberingScheme &c_s, double scale=1.0)
	Assembles B.C. More...

virtual void	giveLocationArrays (std::vector< IntArray > &rows, std::vector< IntArray > &cols, CharType type, const UnknownNumberingScheme &r_s, const UnknownNumberingScheme &c_s)
	Gives a list of location arrays that will be assembled. More...

virtual const char *	giveClassName () const

virtual const char *	giveInputRecordName () const

virtual void	computeField (FloatArray &sigma, TimeStep *tStep)
	Computes the homogenized, macroscopic, field (stress). More...

virtual void	computeTangent (FloatMatrix &tangent, TimeStep *tStep)
	Computes the macroscopic tangent for homogenization problems through sensitivity analysis. More...

void	giveStressLocationArray (IntArray &oCols, const UnknownNumberingScheme &r_s)

Public Member Functions inherited from oofem::ActiveBoundaryCondition
	ActiveBoundaryCondition (int n, Domain *d)
	Constructor. More...

virtual	~ActiveBoundaryCondition ()
	Destructor. More...

virtual void	addElementSide (int elem, int side)
	Adds element for active boundary condition. More...

virtual bool	requiresActiveDofs ()
	Checks to see if active boundary condition requires special DOFs. More...

virtual bool	isPrimaryDof (ActiveDof *dof)
	Checks to see if the dof is a primary DOF. More...

virtual double	giveBcValue (Dof dof, ValueModeType mode, TimeStep tStep)
	Returns the prescribed value of a dof (if any). More...

virtual bool	hasBc (Dof dof, TimeStep tStep)
	Returns the prescribed value of a dof (if any). More...

virtual int	giveNumberOfMasterDofs (ActiveDof *dof)
	Allows for active boundary conditions to handle their own special DOF. More...

virtual Dof *	giveMasterDof (ActiveDof *dof, int mdof)
	Give the pointer to master dof belonging to active DOF. More...

virtual void	computeDofTransformation (ActiveDof *dof, FloatArray &masterContribs)

virtual double	giveUnknown (PrimaryField &field, ValueModeType mode, TimeStep tStep, ActiveDof dof)
	Computes the value of the dof. More...

virtual double	giveUnknown (ValueModeType mode, TimeStep tStep, ActiveDof dof)
	Computes the value of the dof. More...

Public Member Functions inherited from oofem::GeneralBoundaryCondition
	GeneralBoundaryCondition (int n, Domain *d)
	Constructor. More...

virtual	~GeneralBoundaryCondition ()
	Destructor. More...

int	giveSetNumber ()
	Gives the set number which boundary condition is applied to. More...

Function *	giveTimeFunction ()

virtual bcValType	giveBCValType () const
	Returns receiver load type. More...

virtual bool	isImposed (TimeStep *tStep)
	Returns nonzero if receiver representing BC is imposed at given time, otherwise returns zero. More...

virtual const IntArray &	giveDofIDs () const
	Array with default dofs which b.c. More...

virtual bcGeomType	giveBCGeoType () const
	Returns geometry character of boundary condition. More...

virtual void	postInitialize ()
	Performs post initialization steps. More...

virtual contextIOResultType	saveContext (DataStream &stream, ContextMode mode, void *obj=NULL)
	Stores receiver state to output stream. More...

virtual contextIOResultType	restoreContext (DataStream &stream, ContextMode mode, void *obj=NULL)
	Restores the receiver state previously written in stream. More...

Public Member Functions inherited from oofem::FEMComponent
	FEMComponent (int n, Domain *d)
	Regular constructor, creates component with given number and belonging to given domain. More...

virtual	~FEMComponent ()
	Virtual destructor. More...

Domain *	giveDomain () const

virtual void	setDomain (Domain *d)
	Sets associated Domain. More...

int	giveNumber () const

void	setNumber (int num)
	Sets number of receiver. More...

virtual void	updateLocalNumbering (EntityRenumberingFunctor &f)
	Local renumbering support. More...

virtual int	checkConsistency ()
	Allows programmer to test some internal data, before computation begins. More...

virtual void	printOutputAt (FILE file, TimeStep tStep)
	Prints output of receiver to stream, for given time step. More...

virtual void	printYourself ()
	Prints receiver state on stdout. Useful for debugging. More...

virtual Interface *	giveInterface (InterfaceType t)
	Interface requesting service. More...

std::string	errorInfo (const char *func) const
	Returns string for prepending output (used by error reporting macros). More...

Public Member Functions inherited from oofem::PrescribedGradientHomogenization
	PrescribedGradientHomogenization ()

virtual	~PrescribedGradientHomogenization ()

virtual double	domainSize ()

void	setPrescribedGradient (const FloatMatrix &t)
	Set prescribed gradient. More...

void	setPrescribedGradientVoigt (const FloatArray &t)
	Sets the prescribed gradient from the matrix from given voigt notation. More...

void	giveGradientVoigt (FloatArray &oGradient) const
	Gives back the applied gradient in Voigt form. More...

void	setCenterCoordinate (FloatArray &x)
	Set the center coordinate for the prescribed values to be set for. More...

FloatArray &	giveCenterCoordinate ()
	Returns the center coordinate. More...

Protected Member Functions
void	integrateTangent (FloatMatrix &oTangent, Element *e, int iBndIndex)
	Help function that integrates the tangent contribution from a single element boundary. More...

Protected Member Functions inherited from oofem::PrescribedGradientHomogenization
virtual double	domainSize (Domain *d, int set)

Protected Attributes
std::unique_ptr< Node >	mpSigmaHom
	DOF-manager containing the unknown homogenized stress. More...

IntArray	mSigmaIds

Protected Attributes inherited from oofem::GeneralBoundaryCondition
int	timeFunction
	Associated load time function. More...

bcValType	valType
	Physical meaning of BC value. More...

IntArray	dofs
	Dofs that b.c. is applied to (relevant for Dirichlet type b.c.s). More...

int	isImposedTimeFunction
	Zero by default - the BC is than always imposed. More...

int	set
	Set number for boundary condition to be applied to. More...

Protected Attributes inherited from oofem::FEMComponent
int	number
	Component number. More...

Domain *	domain
	Link to domain object, useful for communicating with other FEM components. More...

Protected Attributes inherited from oofem::PrescribedGradientHomogenization
FloatMatrix	mGradient
	Prescribed gradient $d_{ij}$ . More...

FloatArray	mCenterCoord
	Center coordinate $\bar{x}_i$ . More...

Detailed Description

Imposes a prescribed gradient weakly on the boundary with a Neumann boundary condition.

Author: Erik Svenning; Mikael Öhman

Definition at line 55 of file prescribedgradientbcneumann.h.

Constructor & Destructor Documentation

oofem::PrescribedGradientBCNeumann::PrescribedGradientBCNeumann	(	int	n,
		Domain *	d
	)

Definition at line 56 of file prescribedgradientbcneumann.C.

References oofem::IntArray::followedBy(), oofem::Domain::giveNextFreeDofID(), oofem::Domain::giveNumberOfSpatialDimensions(), mpSigmaHom, and mSigmaIds.

oofem::PrescribedGradientBCNeumann::~PrescribedGradientBCNeumann ( )

virtual

Definition at line 70 of file prescribedgradientbcneumann.C.

Member Function Documentation

void oofem::PrescribedGradientBCNeumann::assemble	(	SparseMtrx &	answer,
		TimeStep *	tStep,
		CharType	type,
		const UnknownNumberingScheme &	r_s,
		const UnknownNumberingScheme &	c_s,
		double	scale = `1.0`
	)

virtual

Assembles B.C.

contributions to specified matrix.

Parameters

[in,out]	answer	Matrix to assemble to.
	tStep	Active time step.
	tStep	Active time step.
	type	Type of matrix to assemble.
	r_s	Row numbering scheme.
	c_s	Column numbering scheme.
	scale	Scaling factor.

Reimplemented from oofem::ActiveBoundaryCondition.

Definition at line 163 of file prescribedgradientbcneumann.C.

References oofem::SparseMtrx::assemble(), oofem::IntArray::at(), oofem::FloatMatrix::beTranspositionOf(), oofem::FEMComponent::giveDomain(), oofem::Domain::giveElement(), oofem::Element::giveLocationArray(), oofem::Domain::giveSet(), oofem::IntArray::giveSize(), integrateTangent(), mpSigmaHom, mSigmaIds, oofem::FloatMatrix::negated(), OOFEM_LOG_DEBUG, and oofem::FloatMatrix::times().

void oofem::PrescribedGradientBCNeumann::assembleVector	(	FloatArray &	answer,
		TimeStep *	tStep,
		CharType	type,
		ValueModeType	mode,
		const UnknownNumberingScheme &	s,
		FloatArray *	eNorms = `NULL`
	)

virtual

Assembles B.C.

contributions to specified vector.

Parameters

[in,out]	answer	Vector to assemble to.
	tStep	Active time step.
	type	Type of matrix to assemble.
	mode	Mode of value.
	s	Numbering scheme.
	eNorms	Norms for each dofid.

Returns: Equivalent of the sum of the element norm (squared) of assembled vector.

Reimplemented from oofem::ActiveBoundaryCondition.

Definition at line 99 of file prescribedgradientbcneumann.C.

References oofem::FloatArray::assemble(), oofem::FloatArray::assembleSquared(), oofem::IntArray::at(), oofem::FloatArray::beProductOf(), oofem::FloatArray::beScaled(), oofem::FloatArray::beTProductOf(), oofem::Element::computeVectorOf(), oofem::PrescribedGradientHomogenization::domainSize(), oofem::Function::evaluateAtTime(), oofem::Set::giveBoundaryList(), oofem::FEMComponent::giveDomain(), oofem::Domain::giveElement(), oofem::PrescribedGradientHomogenization::giveGradientVoigt(), oofem::Element::giveLocationArray(), oofem::Domain::giveSet(), oofem::GeneralBoundaryCondition::giveSetNumber(), oofem::IntArray::giveSize(), oofem::TimeStep::giveTargetTime(), oofem::GeneralBoundaryCondition::giveTimeFunction(), integrateTangent(), mpSigmaHom, mSigmaIds, and oofem::FloatArray::negated().

void oofem::PrescribedGradientBCNeumann::computeField	(	FloatArray &	sigma,
		TimeStep *	tStep
	)

virtual

Computes the homogenized, macroscopic, field (stress).

Parameters

sigma	Output quantity (typically stress).
tStep	Active time step.

Implements oofem::PrescribedGradientHomogenization.

Definition at line 238 of file prescribedgradientbcneumann.C.

References mpSigmaHom, and mSigmaIds.

Referenced by oofem::GnuplotExportModule::outputBoundaryCondition().

void oofem::PrescribedGradientBCNeumann::computeTangent	(	FloatMatrix &	tangent,
		TimeStep *	tStep
	)

virtual

Computes the macroscopic tangent for homogenization problems through sensitivity analysis.

Parameters

tangent	Output tangent.
tStep	Active time step.

Todo:: Get this from engineering model

Implements oofem::PrescribedGradientHomogenization.

Definition at line 244 of file prescribedgradientbcneumann.C.

References oofem::EngngModel::assemble(), oofem::IntArray::at(), oofem::FloatMatrix::beInverseOf(), oofem::FloatMatrix::beTProductOf(), oofem::FloatMatrix::beUnitMatrix(), oofem::classFactory, oofem::IntArray::contains(), oofem::ClassFactory::createSparseLinSolver(), oofem::ClassFactory::createSparseMtrx(), oofem::FEMComponent::domain, oofem::PrescribedGradientHomogenization::domainSize(), oofem::FEMComponent::giveDomain(), oofem::Domain::giveEngngModel(), oofem::Domain::giveNumber(), oofem::GeneralBoundaryCondition::giveSetNumber(), oofem::IntArray::giveSize(), mpSigmaHom, mSigmaIds, oofem::FloatMatrix::negated(), OOFEM_ERROR, oofem::IntArray::resize(), oofem::ST_Petsc, and oofem::FloatMatrix::times().

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

inlinevirtual

Implements oofem::PrescribedGradientHomogenization.

Definition at line 81 of file prescribedgradientbcneumann.h.

void oofem::PrescribedGradientBCNeumann::giveInputRecord ( DynamicInputRecord & input )

virtual

Reimplemented from oofem::PrescribedGradientHomogenization.

Definition at line 82 of file prescribedgradientbcneumann.C.

References oofem::PrescribedGradientHomogenization::giveInputRecord(), and oofem::GeneralBoundaryCondition::giveInputRecord().

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

inlinevirtual

Returns: Input record name of the receiver.

Implements oofem::FEMComponent.

Definition at line 82 of file prescribedgradientbcneumann.h.

References _IFT_PrescribedGradientBCNeumann_Name.

DofManager * oofem::PrescribedGradientBCNeumann::giveInternalDofManager ( int i )

virtual

Gives an internal dof manager from receiver.

Reimplemented from oofem::GeneralBoundaryCondition.

Definition at line 89 of file prescribedgradientbcneumann.C.

References mpSigmaHom.

void oofem::PrescribedGradientBCNeumann::giveLocationArrays	(	std::vector< IntArray > &	rows,
		std::vector< IntArray > &	cols,
		CharType	type,
		const UnknownNumberingScheme &	r_s,
		const UnknownNumberingScheme &	c_s
	)

virtual

Gives a list of location arrays that will be assembled.

This should only be used to construct zero structure in sparse matrices. The rows and columns location arrays returned in tuples (stored in vector), allowing to efficiently assemble and allocate off-diagonal blocks. The nonzero entries are assembled and allocated for entries at (rows[i], cols[i]) positions.

Parameters

rows	List of location arrays for r_s.
cols	List of location arrays for c_s.
type	Type of matrix to assemble.
r_s	Row numbering scheme.
c_s	Column numbering scheme.

Reimplemented from oofem::ActiveBoundaryCondition.

Definition at line 201 of file prescribedgradientbcneumann.C.

References oofem::IntArray::at(), oofem::FEMComponent::giveDomain(), oofem::Domain::giveElement(), oofem::Element::giveLocationArray(), oofem::Domain::giveSet(), oofem::IntArray::giveSize(), mpSigmaHom, mSigmaIds, and oofem::IntArray::resize().

virtual int oofem::PrescribedGradientBCNeumann::giveNumberOfInternalDofManagers ( )

inlinevirtual

Gives the number of internal dof managers.

Reimplemented from oofem::GeneralBoundaryCondition.

Definition at line 61 of file prescribedgradientbcneumann.h.

void oofem::PrescribedGradientBCNeumann::giveStressLocationArray	(	IntArray &	oCols,
		const UnknownNumberingScheme &	r_s
	)

Definition at line 308 of file prescribedgradientbcneumann.C.

References mpSigmaHom, and mSigmaIds.

Referenced by oofem::LSPrimaryVariableMapper::mapPrimaryVariables().

virtual bcType oofem::PrescribedGradientBCNeumann::giveType ( ) const

inlinevirtual

Returns: Type of boundary condition. It allows to distinguish BC according its mathematical meaning, ie. like Dirichlet, Neumann, or Newton type.

Reimplemented from oofem::GeneralBoundaryCondition.

Definition at line 67 of file prescribedgradientbcneumann.h.

References oofem::UnknownBT.

IRResultType oofem::PrescribedGradientBCNeumann::initializeFrom ( InputRecord * ir )

virtual

Initializes receiver according to object description stored in input record.

This function is called immediately after creating object using constructor. Input record can be imagined as data record in component database belonging to receiver. Receiver may use value-name extracting functions to extract particular field from record.