OOFEM 3.0
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oofem::PrescribedGradientBCNeumann Class Reference

#include <prescribedgradientbcneumann.h>

Inheritance diagram for oofem::PrescribedGradientBCNeumann:
Collaboration diagram for oofem::PrescribedGradientBCNeumann:

Public Member Functions

 PrescribedGradientBCNeumann (int n, Domain *d)
virtual ~PrescribedGradientBCNeumann ()
int giveNumberOfInternalDofManagers () override
 Gives the number of internal dof managers.
DofManagergiveInternalDofManager (int i) override
 Gives an internal dof manager from receiver.
void initializeFrom (InputRecord &ir) override
void giveInputRecord (DynamicInputRecord &input) override
bcType giveType () const override
void scale (double s) override
void assembleVector (FloatArray &answer, TimeStep *tStep, CharType type, ValueModeType mode, const UnknownNumberingScheme &s, FloatArray *eNorm=nullptr, void *lock=nullptr) override
void assemble (SparseMtrx &answer, TimeStep *tStep, CharType type, const UnknownNumberingScheme &r_s, const UnknownNumberingScheme &c_s, double scale=1.0, void *lock=nullptr) override
void giveLocationArrays (std ::vector< IntArray > &rows, std ::vector< IntArray > &cols, CharType type, const UnknownNumberingScheme &r_s, const UnknownNumberingScheme &c_s) override
const char * giveClassName () const override
const char * giveInputRecordName () const override
void computeField (FloatArray &sigma, TimeStep *tStep) override
void computeTangent (FloatMatrix &tangent, TimeStep *tStep) override
void giveStressLocationArray (IntArray &oCols, const UnknownNumberingScheme &r_s)
Public Member Functions inherited from oofem::ActiveBoundaryCondition
 ActiveBoundaryCondition (int n, Domain *d)
virtual ~ActiveBoundaryCondition ()
 Destructor.
virtual void addElementSide (int elem, int side)
virtual bool requiresActiveDofs ()
virtual bool isPrimaryDof (ActiveDof *dof)
virtual double giveBcValue (Dof *dof, ValueModeType mode, TimeStep *tStep)
virtual bool hasBc (Dof *dof, TimeStep *tStep)
virtual int giveNumberOfMasterDofs (ActiveDof *dof)
virtual DofgiveMasterDof (ActiveDof *dof, int mdof)
virtual void computeDofTransformation (ActiveDof *dof, FloatArray &masterContribs)
virtual double giveUnknown (PrimaryField &field, ValueModeType mode, TimeStep *tStep, ActiveDof *dof)
virtual double giveUnknown (ValueModeType mode, TimeStep *tStep, ActiveDof *dof)
Public Member Functions inherited from oofem::GeneralBoundaryCondition
 GeneralBoundaryCondition (int n, Domain *d)
virtual ~GeneralBoundaryCondition ()
 Destructor.
int giveSetNumber () const
FunctiongiveTimeFunction ()
int getIsImposedTimeFunctionNumber () const
void setIsImposedTimeFunctionNumber (int funcIndx)
virtual bcValType giveBCValType () const
virtual bool isImposed (TimeStep *tStep)
virtual const IntArraygiveDofIDs () const
virtual bcGeomType giveBCGeoType () const
virtual double giveProperty (int aProperty, TimeStep *tStep) const
void saveContext (DataStream &stream, ContextMode mode) override
void restoreContext (DataStream &stream, ContextMode mode) override
virtual void updateYourself (TimeStep *tStep)
Public Member Functions inherited from oofem::FEMComponent
 FEMComponent (int n, Domain *d)
virtual ~FEMComponent ()=default
 Virtual destructor.
DomaingiveDomain () const
virtual void setDomain (Domain *d)
int giveNumber () const
void setNumber (int num)
virtual void updateLocalNumbering (EntityRenumberingFunctor &f)
virtual void initializeFrom (InputRecord &ir, int priority)
virtual void initializeFinish ()
virtual void postInitialize ()
 Performs post initialization steps. Called after all components are created and initialized.
virtual int checkConsistency ()
virtual void printOutputAt (FILE *file, TimeStep *tStep)
virtual void printYourself ()
 Prints receiver state on stdout. Useful for debugging.
virtual InterfacegiveInterface (InterfaceType t)
std::string errorInfo (const char *func) const
 Returns string for prepending output (used by error reporting macros).
Public Member Functions inherited from oofem::PrescribedGradientHomogenization
 PrescribedGradientHomogenization ()
virtual ~PrescribedGradientHomogenization ()
virtual double domainSize ()
void setPrescribedGradient (const FloatMatrix &t)
void setPrescribedGradientVoigt (const FloatArray &t)
void giveGradientVoigt (FloatArray &oGradient) const
void setCenterCoordinate (FloatArray &x)
FloatArraygiveCenterCoordinate ()
 Returns the center coordinate.

Protected Member Functions

void integrateTangent (FloatMatrix &oTangent, Element *e, int iBndIndex)
 Help function that integrates the tangent contribution from a single element boundary.
Protected Member Functions inherited from oofem::PrescribedGradientHomogenization
virtual double domainSize (Domain *d, int set)

Protected Attributes

std ::unique_ptr< NodempSigmaHom
 DOF-manager containing the unknown homogenized stress.
IntArray mSigmaIds
Protected Attributes inherited from oofem::GeneralBoundaryCondition
int timeFunction
 Associated load time function.
bcValType valType
 Physical meaning of BC value.
IntArray dofs
 Dofs that b.c. is applied to (relevant for Dirichlet type b.c.s).
int isImposedTimeFunction
int set
 Set number for boundary condition to be applied to.
Protected Attributes inherited from oofem::FEMComponent
int number
 Component number.
Domaindomain
 Link to domain object, useful for communicating with other FEM components.
Protected Attributes inherited from oofem::PrescribedGradientHomogenization
FloatMatrix mGradient
 Prescribed gradient \( d_{ij} \).
FloatArray mCenterCoord
 Center coordinate \( \bar{x}_i \).

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

◆ PrescribedGradientBCNeumann()

◆ ~PrescribedGradientBCNeumann()

oofem::PrescribedGradientBCNeumann::~PrescribedGradientBCNeumann ( )
virtual

Definition at line 74 of file prescribedgradientbcneumann.C.

Member Function Documentation

◆ assemble()

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

Assembles B.C. contributions to specified matrix.

Parameters
[in,out]answerMatrix to assemble to.
tStepActive time step.
tStepActive time step.
typeType of matrix to assemble.
r_sRow numbering scheme.
c_sColumn numbering scheme.
scaleScaling factor.
omp_lockoptional OMP lock to ensure correct update of answer

Reimplemented from oofem::ActiveBoundaryCondition.

Definition at line 179 of file prescribedgradientbcneumann.C.

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

◆ assembleVector()

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

◆ computeField()

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

Computes the homogenized, macroscopic, field (stress).

Parameters
sigmaOutput quantity (typically stress).
tStepActive time step.

Implements oofem::PrescribedGradientHomogenization.

Definition at line 263 of file prescribedgradientbcneumann.C.

References mpSigmaHom, and mSigmaIds.

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

◆ computeTangent()

◆ giveClassName()

const char * oofem::PrescribedGradientBCNeumann::giveClassName ( ) const
inlineoverridevirtual
Returns
Class name of the receiver.

Implements oofem::FEMComponent.

Definition at line 82 of file prescribedgradientbcneumann.h.

◆ giveInputRecord()

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

Setups the input record string of receiver.

Parameters
inputDynamic input record to be filled by receiver.

Reimplemented from oofem::GeneralBoundaryCondition.

Definition at line 86 of file prescribedgradientbcneumann.C.

◆ giveInputRecordName()

const char * oofem::PrescribedGradientBCNeumann::giveInputRecordName ( ) const
inlineoverridevirtual
Returns
Input record name of the receiver.

Implements oofem::FEMComponent.

Definition at line 83 of file prescribedgradientbcneumann.h.

References _IFT_PrescribedGradientBCNeumann_Name.

◆ giveInternalDofManager()

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

Gives an internal dof manager from receiver.

Reimplemented from oofem::GeneralBoundaryCondition.

Definition at line 93 of file prescribedgradientbcneumann.C.

References mpSigmaHom.

◆ giveLocationArrays()

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

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
rowsList of location arrays for r_s.
colsList of location arrays for c_s.
typeType of matrix to assemble.
r_sRow numbering scheme.
c_sColumn numbering scheme.

Reimplemented from oofem::ActiveBoundaryCondition.

Definition at line 226 of file prescribedgradientbcneumann.C.

References oofem::IntArray::at(), oofem::FEMComponent::giveDomain(), oofem::Element::giveLocationArray(), oofem::IntArray::giveSize(), mpSigmaHom, mSigmaIds, and oofem::GeneralBoundaryCondition::set.

◆ giveNumberOfInternalDofManagers()

int oofem::PrescribedGradientBCNeumann::giveNumberOfInternalDofManagers ( )
inlineoverridevirtual

Gives the number of internal dof managers.

Reimplemented from oofem::GeneralBoundaryCondition.

Definition at line 61 of file prescribedgradientbcneumann.h.

◆ giveStressLocationArray()

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

◆ giveType()

bcType oofem::PrescribedGradientBCNeumann::giveType ( ) const
inlineoverridevirtual
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.

◆ initializeFrom()

void oofem::PrescribedGradientBCNeumann::initializeFrom ( InputRecord & ir)
overridevirtual

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. Note that initializeFrom may be called mutiple times.

See also
IR_GIVE_FIELD
IR_GIVE_OPTIONAL_FIELD
Parameters
irInput record to initialize from.
priorityPriority of the input record. This is used to determine the order of initialization

Reimplemented from oofem::ActiveBoundaryCondition.

Definition at line 79 of file prescribedgradientbcneumann.C.

◆ integrateTangent()

◆ scale()

void oofem::PrescribedGradientBCNeumann::scale ( double s)
overridevirtual

Scales the receiver according to given value. Typically used in nondimensional analysis to scale down BCs and ICs.

Parameters
sScale factor.

Reimplemented from oofem::GeneralBoundaryCondition.

Definition at line 98 of file prescribedgradientbcneumann.C.

References oofem::PrescribedGradientHomogenization::mGradient.

Referenced by assemble().

Member Data Documentation

◆ mpSigmaHom

std :: unique_ptr< Node > oofem::PrescribedGradientBCNeumann::mpSigmaHom
protected

◆ mSigmaIds

IntArray oofem::PrescribedGradientBCNeumann::mSigmaIds
protected

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

This page is part of the OOFEM-3.0 documentation. Copyright Copyright (C) 1994-2025 Borek Patzak Bořek Patzák
Project e-mail: oofem@fsv.cvut.cz
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