oofem::FRCFCMNL Class Reference

#include <frcfcmnl.h>

Inheritance diagram for oofem::FRCFCMNL:

Collaboration diagram for oofem::FRCFCMNL:

Public Member Functions
	FRCFCMNL (int n, Domain *d)
virtual	~FRCFCMNL ()
virtual const char *	giveClassName () const
virtual const char *	giveInputRecordName () const
virtual IRResultType	initializeFrom (InputRecord *ir)
	Initializes receiver according to object description stored in input record. More...
virtual void	giveRealStressVector (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedStrain, TimeStep *tStep)
	Computes the real stress vector for given total strain and integration point. More...
virtual void	giveMaterialStiffnessMatrix (FloatMatrix &answer, MatResponseMode, GaussPoint *gp, TimeStep *tStep)
virtual Interface *	giveInterface (InterfaceType it)
	Interface requesting service. More...
virtual MaterialStatus *	CreateStatus (GaussPoint *gp) const
	Creates new copy of associated status and inserts it into given integration point. More...
virtual int	giveIPValue (FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep)
	Returns the integration point corresponding value in Reduced form. More...
virtual void	updateBeforeNonlocAverage (const FloatArray &strainVector, GaussPoint *gp, TimeStep *tStep)
	Declares the service updating local variables in given integration points, which take part in nonlocal average process. More...
virtual bool	isStrengthExceeded (const FloatMatrix &base, GaussPoint *gp, TimeStep *tStep, int iCrack, double trialStress)
	the method from fcm is overridden to consider stress split between the matrix and fibers More...
double	computeDebondedLength (double delta)
	computes debonded length of the fibers from the crack opening. Delta is here one half of the crack opening. More...
double	computeDecreaseInFibreStress (double distance, double delta, double debondedLength)
	compute the the difference in fiber stress in the target (local stress) and receiver (nonlocal stress) More...
void	computeElementCentroid (FloatArray &answer, GaussPoint *gp)
	computes cetroid of a finite element - works only for linear 3 and 4-node elements More...
bool	isInElementProjection (GaussPoint *homeGp, GaussPoint *nearGp, int iNlCrack)
	checks if a element center of homeGP is in projection of element containing nearGP More...
virtual double	computeNonlocalStressInFibers (const FloatArray &crackVector, GaussPoint *gp, TimeStep *tStep)
	computes nonlocal stress in fibers in cracked GP More...
virtual double	computeNonlocalStressInFibersInUncracked (GaussPoint *gp, TimeStep *tStep)
	computes nonlocal stress in fibers in uncracked GP More...
double	computeAngleBetweenVectors (const FloatArray &vec1, const FloatArray &vec2)
	computes an angle between two vectors More...
Public Member Functions inherited from oofem::FRCFCM
	FRCFCM (int n, Domain *d)
virtual	~FRCFCM ()
Public Member Functions inherited from oofem::ConcreteFCM
	ConcreteFCM (int n, Domain *d)
virtual	~ConcreteFCM ()
virtual int	hasNonLinearBehaviour ()
	Returns nonzero if receiver is non linear. More...
virtual double	give (int aProperty, GaussPoint *gp)
	Returns the value of material property 'aProperty'. More...
virtual MaterialStatus *	giveStatus (GaussPoint *gp) const
	Returns material status of receiver in given integration point. More...
Public Member Functions inherited from oofem::FCMMaterial
	FCMMaterial (int n, Domain *d)
virtual	~FCMMaterial ()
virtual int	hasMaterialModeCapability (MaterialMode mode)
	Tests if material supports material mode. More...
IsotropicLinearElasticMaterial *	giveLinearElasticMaterial ()
virtual void	give3dMaterialStiffnessMatrix (FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep)
	Computes full 3d material stiffness matrix at given integration point, time, respecting load history in integration point. More...
virtual void	givePlaneStressStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing plane stress stiffness matrix of receiver. More...
virtual void	givePlaneStrainStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing plane strain stiffness matrix of receiver. More...
virtual void	initializeCrack (GaussPoint *gp, FloatMatrix &base, int nCrack)
virtual void	giveRealStressVector_3d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation relies on giveRealStressVector for second Piola-Kirchoff stress. More...
virtual void	giveRealStressVector_PlaneStrain (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation relies on giveRealStressVector_3d. More...
virtual void	giveRealStressVector_PlaneStress (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation relies on giveRealStressVector_StressControl. More...
virtual void	giveRealStressVector_1d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation relies on giveRealStressVector_StressControl. More...
virtual void	giveRealStressVector_2dBeamLayer (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation relies on giveRealStressVector_StressControl. More...
virtual void	giveRealStressVector_PlateLayer (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation relies on giveRealStressVector_StressControl. More...
virtual double	computeNormalCrackOpening (GaussPoint *gp, int i)
	uses temporary cracking strain and characteristic length to obtain the crack opening More...
virtual double	computeMaxNormalCrackOpening (GaussPoint *gp, int i)
	uses maximum equilibrated cracking strain and characteristic length to obtain the maximum reached crack opening More...
virtual double	computeShearSlipOnCrack (GaussPoint *gp, int i)
	computes total shear slip on a given crack plane (i = 1, 2, 3); the slip is computed from the temporary cracking strain More...
Public Member Functions inherited from oofem::StructuralMaterial
	StructuralMaterial (int n, Domain *d)
	Constructor. More...
virtual	~StructuralMaterial ()
	Destructor. More...
virtual void	giveInputRecord (DynamicInputRecord &input)
	Setups the input record string of receiver. More...
virtual void	giveStiffnessMatrix (FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep)
	Computes the stiffness matrix for giveRealStressVector of receiver in given integration point, respecting its history. More...
virtual void	giveRealStressVector_StressControl (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, const IntArray &strainControl, TimeStep *tStep)
	Iteratively calls giveRealStressVector_3d to find the stress controlled equal to zero· More...
virtual void	giveRealStressVector_ShellStressControl (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, const IntArray &strainControl, TimeStep *tStep)
virtual void	giveRealStressVector_Warping (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation relies on giveRealStressVector_StressControl. More...
virtual void	giveRealStressVector_Fiber (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation relies on giveRealStressVector_StressControl. More...
virtual void	giveRealStressVector_Lattice2d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
virtual void	giveRealStressVector_Lattice3d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
virtual void	giveRealStressVector_2dPlateSubSoil (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
	Default implementation is not provided. More...
virtual void	giveRealStressVector_3dBeamSubSoil (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedE, TimeStep *tStep)
virtual void	giveEshelbyStressVector_PlaneStrain (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
	Prototype for computation of Eshelby stress. More...
void	give_dPdF_from (const FloatMatrix &dSdE, FloatMatrix &answer, GaussPoint *gp)
void	convert_dSdE_2_dPdF (FloatMatrix &answer, const FloatMatrix &dSdE, const FloatArray &S, const FloatArray &F, MaterialMode matMode)
virtual void	giveThermalDilatationVector (FloatArray &answer, GaussPoint *gp, TimeStep *tStep)
	Returns a vector of coefficients of thermal dilatation in direction of each material principal (local) axis. More...
double	giveReferenceTemperature ()
	Returns the reference temperature of receiver. More...
virtual void	computeStressIndependentStrainVector (FloatArray &answer, GaussPoint *gp, TimeStep *tStep, ValueModeType mode)
	Computes reduced strain vector in given integration point, generated by internal processes in material, which are independent on loading in particular integration point. More...
virtual void	computeStressIndependentStrainVector_3d (FloatArray &answer, GaussPoint *gp, TimeStep *tStep, ValueModeType mode)
virtual void	give3dMaterialStiffnessMatrix_dPdF (FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep)
virtual void	give3dMaterialStiffnessMatrix_dCde (FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep)
void	giveStressDependentPartOfStrainVector (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedStrainVector, TimeStep *tStep, ValueModeType mode)
	Method for subtracting from reduced space strain vector its stress-independent parts (caused by temperature, shrinkage, creep and possibly by other phenomena). More...
void	giveStressDependentPartOfStrainVector_3d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedStrainVector, TimeStep *tStep, ValueModeType mode)
virtual int	setIPValue (const FloatArray &value, GaussPoint *gp, InternalStateType type)
	Sets the value of a certain variable at a given integration point to the given value. More...
virtual void	give2dBeamLayerStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing 2d beam layer stiffness matrix of receiver. More...
virtual void	givePlateLayerStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing 2d plate layer stiffness matrix of receiver. More...
virtual void	giveFiberStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing 1d fiber stiffness matrix of receiver. More...
virtual void	give2dLatticeStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing 2d lattice stiffness matrix of receiver. More...
virtual void	give3dLatticeStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing 3d lattice stiffness matrix of receiver. More...
virtual void	give2dPlateSubSoilStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing stiffness matrix of plate subsoil model. More...
virtual void	give3dBeamSubSoilStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing stiffness matrix of beam3d subsoil model. More...
virtual void	giveFirstPKStressVector_3d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
	Default implementation relies on giveRealStressVector for second Piola-Kirchoff stress. More...
virtual void	giveFirstPKStressVector_PlaneStrain (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
	Default implementation relies on giveFirstPKStressVector_3d. More...
virtual void	giveFirstPKStressVector_PlaneStress (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
	Default implementation relies on giveFirstPKStressVector_3d. More...
virtual void	giveFirstPKStressVector_1d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
	Default implementation relies on giveFirstPKStressVector_3d. More...
virtual void	giveCauchyStressVector_3d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual void	giveCauchyStressVector_PlaneStrain (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual void	giveCauchyStressVector_PlaneStress (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual void	giveCauchyStressVector_1d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual void	givePlaneStressStiffMtrx_dPdF (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
virtual void	givePlaneStressStiffMtrx_dCde (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
virtual void	givePlaneStrainStiffMtrx_dPdF (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
virtual void	givePlaneStrainStiffMtrx_dCde (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
virtual void	give1dStressStiffMtrx (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
	Method for computing 1d stiffness matrix of receiver. More...
virtual void	give1dStressStiffMtrx_dPdF (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
virtual void	give1dStressStiffMtrx_dCde (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
Public Member Functions inherited from oofem::Material
	Material (int n, Domain *d)
	Constructor. More...
virtual	~Material ()
	Destructor. More...
virtual bool	isCharacteristicMtrxSymmetric (MatResponseMode rMode)
	Returns true if stiffness matrix of receiver is symmetric Default implementation returns true. More...
virtual bool	hasProperty (int aProperty, GaussPoint *gp)
	Returns true if 'aProperty' exists on material. More...
virtual void	modifyProperty (int aProperty, double value, GaussPoint *gp)
	Modify 'aProperty', which already exists on material. More...
double	giveCastingTime ()
virtual bool	isActivated (TimeStep *tStep)
virtual int	hasCastingTimeSupport ()
	Tests if material supports casting time. More...
virtual void	printYourself ()
	Prints receiver state on stdout. Useful for debugging. More...
virtual contextIOResultType	saveIPContext (DataStream &stream, ContextMode mode, GaussPoint *gp)
	Stores integration point state to output stream. More...
virtual contextIOResultType	restoreIPContext (DataStream &stream, ContextMode mode, GaussPoint *gp)
	Reads integration point state to output stream. More...
virtual int	checkConsistency ()
	Allows programmer to test some internal data, before computation begins. More...
virtual int	initMaterial (Element *element)
	Optional function to call specific procedures when initializing a material. More...
virtual int	packUnknowns (DataStream &buff, TimeStep *tStep, GaussPoint *ip)
	Pack all necessary data of integration point (according to element parallel_mode) into given communication buffer. More...
virtual int	unpackAndUpdateUnknowns (DataStream &buff, TimeStep *tStep, GaussPoint *ip)
	Unpack and updates all necessary data of given integration point (according to element parallel_mode) into given communication buffer. More...
virtual int	estimatePackSize (DataStream &buff, GaussPoint *ip)
	Estimates the necessary pack size to hold all packed data of receiver. More...
virtual double	predictRelativeComputationalCost (GaussPoint *gp)
	Returns the weight representing relative computational cost of receiver The reference material model is linear isotropic material - its weight is set to 1.0 The other material models should compare to this reference model. More...
virtual double	predictRelativeRedistributionCost (GaussPoint *gp)
	Returns the relative redistribution cost of the receiver. More...
virtual void	initTempStatus (GaussPoint *gp)
	Initializes temporary variables stored in integration point status at the beginning of new time step. 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 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...
virtual void	printOutputAt (FILE *file, TimeStep *tStep)
	Prints output of receiver to stream, for given time step. 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::RandomMaterialExtensionInterface
	RandomMaterialExtensionInterface ()
	Constructor. More...
virtual	~RandomMaterialExtensionInterface ()
	Destructor. More...
IRResultType	initializeFrom (InputRecord *ir)
	Initializes receiver according to object description stored in input record. More...
void	giveInputRecord (DynamicInputRecord &ir)
bool	give (int key, GaussPoint *gp, double &value)
	Returns the property in associated status of given integration point if defined. More...
Public Member Functions inherited from oofem::Interface
	Interface ()
	Constructor. More...
virtual	~Interface ()
Public Member Functions inherited from oofem::StructuralNonlocalMaterialExtensionInterface
	StructuralNonlocalMaterialExtensionInterface (Domain *d)
	Constructor. More...
	~StructuralNonlocalMaterialExtensionInterface ()
	Destructor. More...
Public Member Functions inherited from oofem::NonlocalMaterialExtensionInterface
	NonlocalMaterialExtensionInterface (Domain *d)
	Constructor. More...
virtual	~NonlocalMaterialExtensionInterface ()
	Destructor. More...
void	updateDomainBeforeNonlocAverage (TimeStep *tStep)
	Updates data in all integration points before nonlocal average takes place. More...
void	buildNonlocalPointTable (GaussPoint *gp)
	Builds list of integration points which take part in nonlocal average in given integration point. More...
void	rebuildNonlocalPointTable (GaussPoint *gp, IntArray *contributingElems)
	Rebuild list of integration points which take part in nonlocal average in given integration point. More...
void	modifyNonlocalWeightFunctionAround (GaussPoint *gp)
	Recompute the nonlocal interaction weights based on the current solution (e.g., on the damage field). More...
void	modifyNonlocalWeightFunction_1D_Around (GaussPoint *gp)
virtual double	giveNonlocalMetricModifierAt (GaussPoint *gp)
	Provide the current value of the variable that affects nonlocal interaction (e.g., of damage) This method is used e.g. More...
double	computeDistanceModifier (double damage)
	Compute the factor that specifies how the interaction length should be modified, based on the current solution (e.g., on the damage field). More...
double	computeModifiedLength (double length, double dam1, double dam2)
	Compute the modified interaction length based on the current solution (e.g., on the damage field). More...
std::vector< localIntegrationRecord > *	giveIPIntegrationList (GaussPoint *gp)
	Returns integration list corresponding to given integration point. More...
virtual double	computeWeightFunction (double distance)
	Evaluates the basic nonlocal weight function for a given distance between interacting points. More...
virtual double	computeWeightFunction (const FloatArray &src, const FloatArray &coord)
	Evaluates the basic nonlocal weight function for two points with given coordinates. More...
double	giveIntegralOfWeightFunction (const int spatial_dimension)
	Provides the integral of the weight function over the contributing volume in 1, 2 or 3D. More...
virtual double	maxValueOfWeightFunction ()
	Determines the maximum value of the nonlocal weight function. More...
int	giveNumberOfRegions ()
	Determines the number of material regions of domain. More...
virtual int	hasBoundedSupport ()
	Determines, whether receiver has bounded weighting function (limited support). More...
virtual double	evaluateSupportRadius ()
	Determines the width (radius) of limited support of weighting function. More...
Domain *	giveDomain ()
	Returns reference to domain. More...
IRResultType	initializeFrom (InputRecord *ir)
void	giveInputRecord (DynamicInputRecord &input)
	Stores receiver in an input record. More...
void	endIPNonlocalAverage (GaussPoint *gp)
	Notifies the receiver, that the nonlocal averaging has been finished for given ip. More...

Protected Attributes
double	participAngle
	participation angle. The target gauss point must fall into this angle to contribute to the nonlocal stress More...
Protected Attributes inherited from oofem::FRCFCM
double	tau_0
	fiber shear strength at zero slip More...
double	b0
	micromechanical parameter for fiber shear according to Sajdlova More...
double	b1
	micromechanical parameter for fiber shear according to Kabele More...
double	b2
double	b3
double	f
	snubbing factor "f" More...
double	g
	auxiliary parameter computed from snubbing factor "f" More...
double	Vf
	volume fraction of fibers More...
double	Lf
	fiber length More...
double	Df
	fiber diameter More...
double	Ef
	fiber Young's modulus More...
double	Gfib
	fiber shear modulus More...
double	kfib
	fiber cross-sectional shear factor More...
double	w_star
	transitional opening More...
double	eta
	aux. factor More...
double	gammaCrackFail
	shear strain at full fibers rupture More...
double	minDamageOpening
	minimum opening at which damage can start More...
int	M
	Exponent in the unloading-reloading constitutive law. More...
FloatArray	orientationVector
	orientation of fibres More...
double	fibreActivationOpening
	crack opening at which the crossing fibers begin to be activated More...
double	dw0
	smooth transition of the bridging stress if fibreActivationOpening is applied dw0 = distance from the fibreActivationOpening where the smooth transition starts dw1 = distance from the fibreActivationOpening where the smooth transition ends smoothen = flag More...
double	dw1
bool	smoothen
FiberShearStrengthType	fiberShearStrengthType
FiberDamageType	fiberDamageType
FiberType	fiberType
Protected Attributes inherited from oofem::ConcreteFCM
double	Gf
	Fracture energy. More...
double	Ft
	Tensile strenght. More...
double	beta
	shear retention factor More...
double	sf
	shear factor More...
double	fc
	Collins' aggregate interlock: compressive strength in MPa. More...
double	ag
	Collins' aggregate interlock: aggregate diameter in appropriate units (same as FE mesh) More...
double	lengthScale
	Collins' aggregate interlock: 1 for meter, 1000 for analysis in mm. More...
FloatArray	soft_w
	user-defined softening (traction-COD) More...
FloatArray	soft_function_w
FloatArray	soft_eps
	user-defined softening (traction-strain) More...
FloatArray	soft_function_eps
FloatArray	beta_w
	user-defined shear retention factor (with respect to crack opening) More...
FloatArray	beta_function
double	H
	hardening modulus More...
double	eps_f
	strain at failure More...
SofteningType	softType
ShearRetentionType	shearType
ShearStrengthType	shearStrengthType
Protected Attributes inherited from oofem::FCMMaterial
IsotropicLinearElasticMaterial *	linearElasticMaterial
int	nAllowedCracks
	allowed number of cracks (user-defined) More...
ElementCharSizeMethod	ecsMethod
	Method used for evaluation of characteristic element size. More...
bool	multipleCrackShear
	if true = takes shear compliance of all cracks, false = only dominant crack contribution, default value is false More...
double	crackSpacing
	value of crack spacing (allows to "have" more parallel cracks in one direction if the element size exceeds user-defined or computed crack spacing). More...
Protected Attributes inherited from oofem::StructuralMaterial
double	referenceTemperature
	Reference temperature (temperature, when material has been built into structure). More...
Protected Attributes inherited from oofem::Material
Dictionary	propertyDictionary
	Property dictionary. More...
double	castingTime
	Casting time. 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::RandomMaterialExtensionInterface
IntArray	randVariables
	Array of randomized variables (identified by a key). More...
IntArray	randomVariableGenerators
	Array of generators id's for corresponding randomized variables. More...
Protected Attributes inherited from oofem::NonlocalMaterialExtensionInterface
Domain *	domain
IntArray	regionMap
	Map indicating regions to skip (region - cross section model). More...
bool	permanentNonlocTableFlag
	Flag indicating whether to keep nonlocal interaction tables of integration points cached. More...
WeightFunctionType	weightFun
	Parameter specifying the type of nonlocal weight function. More...
int	gridSize
	Grid on which the eikonal equation will be solved (used by eikonal nonlocal models) More...
Grid *	grid
FloatMatrix *	minDist2
	Auxiliary matrix to store minimum distances of grid points from Gauss points. More...
double	initDiag
	Optional parameters setting details of the fast marching method. More...
int	order
int	centDiff
double	cl
	Characteristic length of the nonlocal model (its interpretation depends on the type of weight function). More...
double	suprad
	Support radius. More...
double	mm
	For "undernonlocal" or "overnonlocal" formulation. More...
ScalingType	scaling
	Parameter specifying the type of scaling of nonlocal weight function. More...
AveragedVarType	averagedVar
	Parameter specifying the type of averaged (nonlocal) variable. More...
double	cl0
	Initial(user defined) characteristic length of the nonlocal model (its interpretation depends on the weight function) Is different to cl when a Stress-based or a Distance-based nonlocal variation is applied. More...
NlVariationType	nlvar
	Parameter specifying the type of nonlocal variation. More...
double	beta
	Parameter which multiplied with the interaction radius cl0 gives its minimum allowed value. More...
double	zeta
	Parameter used when Distance-based nonlocal variation is applied When it is multiplied with the interaction radius cl gives the maxinmum distance of the Gauss Point from the boundary. More...
double	px
	Parameter specifying the periodic shift in x-direction. More...
double	Rf
	Final value of interaction radius, for a model with evolving characteristic length. More...
double	exponent
	Parameter used as an exponent by models with evolving characteristic length. More...
int	averType
	Parameter specifying how the weight function should be adjusted due to damage. More...

Additional Inherited Members
Static Public Member Functions inherited from oofem::StructuralMaterial
static int	giveSymVI (int ind1, int ind2)
static int	giveVI (int ind1, int ind2)
static int	giveVoigtVectorMask (IntArray &answer, MaterialMode mmode)
	Returns a mask of the vector indicies corresponding to components in a general (non-symmetric) second order tensor of some stress/strain/deformation measure that performes work. More...
static int	giveVoigtSymVectorMask (IntArray &answer, MaterialMode mmode)
	The same as giveVoigtVectorMask but returns a mask corresponding to a symmetric second order tensor. More...
static void	giveInvertedVoigtVectorMask (IntArray &answer, MaterialMode mmode)
	Gives the inverted version of giveVoigtVectorMask. More...
static int	giveSizeOfVoigtVector (MaterialMode mmode)
	Returns the size of reduced stress/strain vector according to given mode. More...
static int	giveSizeOfVoigtSymVector (MaterialMode mmode)
	Returns the size of symmetric part of a reduced stress/strain vector according to given mode. More...
static void	giveFullVectorForm (FloatArray &answer, const FloatArray &strainVector, MaterialMode matMode)
	Converts the reduced symmetric Voigt vector (2nd order tensor) to full form. More...
static void	giveFullVectorFormF (FloatArray &answer, const FloatArray &strainVector, MaterialMode matMode)
	Converts the reduced deformation gradient Voigt vector (2nd order tensor). More...
static void	giveFullSymVectorForm (FloatArray &answer, const FloatArray &vec, MaterialMode matMode)
	Converts the reduced unsymmetric Voigt vector (2nd order tensor) to full form. More...
static void	giveReducedVectorForm (FloatArray &answer, const FloatArray &vec, MaterialMode matMode)
	Converts the full symmetric Voigt vector (2nd order tensor) to reduced form. More...
static void	giveReducedSymVectorForm (FloatArray &answer, const FloatArray &vec, MaterialMode matMode)
	Converts the full unsymmetric Voigt vector (2nd order tensor) to reduced form. More...
static void	giveFullSymMatrixForm (FloatMatrix &answer, const FloatMatrix &red, MaterialMode matMode)
	Converts the full unsymmetric Voigt matrix (4th order tensor) to reduced form. More...
static void	giveReducedMatrixForm (FloatMatrix &answer, const FloatMatrix &full, MaterialMode matMode)
	Converts the full symmetric Voigt matrix (4th order tensor) to reduced form. More...
static void	giveReducedSymMatrixForm (FloatMatrix &answer, const FloatMatrix &full, MaterialMode matMode)
	Converts the full unsymmetric Voigt matrix (4th order tensor) to reduced form. More...
static void	transformStrainVectorTo (FloatArray &answer, const FloatMatrix &base, const FloatArray &strainVector, bool transpose=false)
	Transforms 3d strain vector into another coordinate system. More...
static void	transformStressVectorTo (FloatArray &answer, const FloatMatrix &base, const FloatArray &stressVector, bool transpose=false)
	Transforms 3d stress vector into another coordinate system. More...
static double	computeVonMisesStress (const FloatArray *currentStress)
	Computes equivalent of von Mises stress. More...
static void	giveStrainVectorTranformationMtrx (FloatMatrix &answer, const FloatMatrix &base, bool transpose=false)
	Computes 3d strain vector transformation matrix from standard vector transformation matrix. More...
static void	give2DStrainVectorTranformationMtrx (FloatMatrix &answer, const FloatMatrix &base, bool transpose=false)
	Computes 2d strain vector transformation matrix from standard vector transformation matrix. More...
static void	giveStressVectorTranformationMtrx (FloatMatrix &answer, const FloatMatrix &base, bool transpose=false)
	Computes 3d stress vector transformation matrix from standard vector transformation matrix. More...
static void	givePlaneStressVectorTranformationMtrx (FloatMatrix &answer, const FloatMatrix &base, bool transpose=false)
	Computes 2d stress vector transformation matrix from standard vector transformation matrix. More...
static void	sortPrincDirAndValCloseTo (FloatArray *pVal, FloatMatrix *pDir, FloatMatrix *toPDir)
	Method for sorting newly computed principal values (pVal) and corresponding principal directions (pDir) to be closed to some (often previous) principal directions (toPDir). More...
static void	computePrincipalValues (FloatArray &answer, const FloatArray &s, stressStrainPrincMode mode)
	Common functions for convenience. More...
static void	computePrincipalValDir (FloatArray &answer, FloatMatrix &dir, const FloatArray &s, stressStrainPrincMode mode)
	Computes principal values and directions of stress or strain vector. More...
static double	computeDeviatoricVolumetricSplit (FloatArray &dev, const FloatArray &s)
	Computes split of receiver into deviatoric and volumetric part. More...
static void	computeDeviatoricVolumetricSum (FloatArray &s, const FloatArray &dev, double mean)
static void	applyDeviatoricElasticCompliance (FloatArray &strain, const FloatArray &stress, double EModulus, double nu)
static void	applyDeviatoricElasticCompliance (FloatArray &strain, const FloatArray &stress, double GModulus)
static void	applyDeviatoricElasticStiffness (FloatArray &stress, const FloatArray &strain, double EModulus, double nu)
static void	applyDeviatoricElasticStiffness (FloatArray &stress, const FloatArray &strain, double GModulus)
static void	applyElasticStiffness (FloatArray &stress, const FloatArray &strain, double EModulus, double nu)
static void	applyElasticCompliance (FloatArray &strain, const FloatArray &stress, double EModulus, double nu)
static double	computeStressNorm (const FloatArray &stress)
static double	computeFirstInvariant (const FloatArray &s)
static double	computeSecondStressInvariant (const FloatArray &s)
static double	computeThirdStressInvariant (const FloatArray &s)
static double	computeFirstCoordinate (const FloatArray &s)
static double	computeSecondCoordinate (const FloatArray &s)
static double	computeThirdCoordinate (const FloatArray &s)
Static Public Attributes inherited from oofem::StructuralMaterial
static std::vector< std::vector< int > >	vIindex
	Voigt index map. More...
static std::vector< std::vector< int > >	svIndex
	Symmetric Voigt index map. More...
Protected Types inherited from oofem::FRCFCM
enum	FiberShearStrengthType {   FSS_NONE, FSS_Sajdlova, FSS_Kabele, FSS_Havlasek,   FSS_Unknown }
	Type strength of the shear bond. More...
enum	FiberDamageType { FDAM_NONE, FDAM_GammaCrackLin, FDAM_GammaCrackExp, FDAM_Unknown }
	Type of fibre damage which is triggered by crack shearing strain = w / u. More...
enum	FiberType { FT_CAF, FT_SAF, FT_SRF, FT_Unknown }
	Type fo fibers in the composite. More...
Protected Types inherited from oofem::ConcreteFCM
enum	SofteningType {   ST_NONE, ST_Exponential, ST_Linear, ST_Hordijk,   ST_UserDefinedCrack, ST_LinearHardeningStrain, ST_UserDefinedStrain, ST_Unknown }
	type of post-peak behavior in the normal direction to the crack plane More...
enum	ShearRetentionType {   SHR_NONE, SHR_Const_ShearRetFactor, SHR_Const_ShearFactorCoeff, SHR_UserDefined_ShearRetFactor,   SHR_Unknown }
	type of reduction of the shear stiffness caused by cracking More...
enum	ShearStrengthType { SHS_NONE, SHS_Const_Ft, SHS_Collins_Interlock, SHS_Unknown }
	defines the maximum value of shear stress More...
Protected Types inherited from oofem::NonlocalMaterialExtensionInterface
enum	WeightFunctionType {   WFT_Unknown, WFT_Bell, WFT_Gauss, WFT_Green,   WFT_Uniform, WFT_UniformOverElement, WFT_Green_21 }
	Type characterizing the nonlocal weight function. More...
enum	ScalingType { ST_Unknown, ST_Standard, ST_Noscaling, ST_Borino }
	Type characterizing the scaling approach. More...
enum	AveragedVarType { AVT_Unknown, AVT_EqStrain, AVT_Compliance, AVT_Damage }
	Type characterizing the averaged (nonlocal) variable. More...
enum	NlVariationType { NLVT_Standard, NLVT_DistanceBasedLinear, NLVT_StressBased, NLVT_DistanceBasedExponential }
	Type characterizing the Nonlocal variation. More...
Protected Member Functions inherited from oofem::FRCFCM
virtual double	giveCrackingModulus (MatResponseMode rMode, GaussPoint *gp, int i)
	returns stiffness in the normal direction of the i-th crack More...
virtual double	computeFiberBond (double w)
	evaluates the fiber bond if w > w* More...
virtual double	giveNormalCrackingStress (GaussPoint *gp, double eps_cr, int i)
	computes normal stress associated with i-th crack direction More...
virtual double	computeStressInFibersInCracked (GaussPoint *gp, double eps_cr, int i)
	compute the nominal stress in fibers in the i-th crack More...
virtual double	computeEffectiveShearModulus (GaussPoint *gp, int i)
	returns Geff which is necessary in the global stiffness matrix More...
virtual double	computeD2ModulusForCrack (GaussPoint *gp, int icrack)
	shear modulus for a given crack plane (1, 2, 3) More...
virtual double	estimateD2ModulusForCrack (GaussPoint *gp, int icrack)
	estimate shear modulus for a given crack plane (1, 2, 3). Uses equilibrated value of damage. More...
virtual double	maxShearStress (GaussPoint *gp, int i)
	computes the maximum value of the shear stress; if the shear stress exceeds this value, it is cropped More...
virtual double	computeTempDamage (GaussPoint *gp)
	evaluates temporary value of damage caused by fibre shearing More...
virtual double	computeCrackSpacing (void)
	computes crack spacing based on composition of the fibre composite More...
virtual double	computeCrackFibreAngle (GaussPoint *gp, int i)
	compute the angle between the fibre and i-th crack normal More...
virtual void	checkSnapBack (GaussPoint *gp, int crack)
	overrides real checking from concretefcm.C, here we assume that the fibers provide sufficient strength to prevent snapback More...
virtual double	computeShearStiffnessRedistributionFactor (GaussPoint *gp, int ithCrackPlane, int jthCrackDirection)
	function calculating ratio used to split shear slips on two crack planes More...
virtual double	computeOverallElasticStiffness (void)
	according to the volume fraction of fibers and the Young's moduli estimates the overall stiffness of the composite More...
virtual double	computeOverallElasticShearModulus (void)
	from the Poisson's ratio of matrix and the overall stiffness estimates G More...
Protected Member Functions inherited from oofem::ConcreteFCM
virtual double	giveTensileStrength (GaussPoint *gp)
	returns tensile strength (can be random) More...
virtual double	giveFractureEnergy (GaussPoint *gp)
	returns fracture energy (can be random) More...
Protected Member Functions inherited from oofem::FCMMaterial
virtual void	updateCrackStatus (GaussPoint *gp)
	updates crack statuses More...
virtual double	giveCharacteristicElementLength (GaussPoint *gp, const FloatArray &crackPlaneNormal)
	returns characteristic element length in given direction More...
virtual double	computeTotalD2Modulus (GaussPoint *gp, int i)
	shear modulus for a given shear direction (4, 5, 6) More...
virtual bool	isIntactForShear (GaussPoint *gp, int i)
	returns true for closed or no cracks associated to given shear direction (i = 4, 5, 6) More...
virtual bool	isIntact (GaussPoint *gp, int icrack)
	returns true for closed or no crack (i = 1, 2, 3) More...
virtual bool	checkStrengthCriterion (FloatMatrix &newBase, const FloatArray &globalStress, GaussPoint *gp, TimeStep *tStep, int nCrack)
	checks if the globalStress does not exceed strength in the direction of newBase for n-th crack More...
virtual double	giveCrackSpacing (void)
	returns either user-provided value of crack spacing or a value computed from composition More...
virtual double	giveNumberOfCracksInDirection (GaussPoint *gp, int iCrack)
	returns number of fictiotious parallel cracks in the direction of i-th crack More...
virtual double	giveNumberOfCracksForShearDirection (GaussPoint *gp, int i)
	returns number of cracks for given shear direction (i = 4, 5, 6) which is treated as the maximum of the two associated normal directions More...
virtual void	giveLocalCrackedStiffnessMatrix (FloatMatrix &answer, MatResponseMode rMode, GaussPoint *gp, TimeStep *tStep)
	returns local stiffness matrix of the crack More...
Protected Member Functions inherited from oofem::RandomMaterialExtensionInterface
void	_generateStatusVariables (GaussPoint *) const
	Sets up (generates) the variables identified in randVariables array using generators given in randomVariableGenerators and stores them in given status. More...
Protected Member Functions inherited from oofem::NonlocalMaterialExtensionInterface
void	applyBarrierConstraints (const FloatArray &gpCoords, const FloatArray &jGpCoords, double &weight)
void	manipulateWeight (double &weight, GaussPoint *gp, GaussPoint *jGp)
	Manipulates weight on integration point in the element. More...
double	giveDistanceBasedInteractionRadius (const FloatArray &gpCoords)
	Provides the distance based interaction radius This function is called when nlvariation is set to 1. More...
int	mapToGridPoint (double x, double x0)
double	mapToGridCoord (double x, double x0)
double	dist2FromGridNode (double x, double y, int j, int i)

Detailed Description

Definition at line 105 of file frcfcmnl.h.

Constructor & Destructor Documentation

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

Definition at line 59 of file frcfcmnl.C.

virtual oofem::FRCFCMNL::~FRCFCMNL ( )

inlinevirtual

Definition at line 109 of file frcfcmnl.h.

Member Function Documentation

double oofem::FRCFCMNL::computeAngleBetweenVectors	(	const FloatArray &	vec1,
		const FloatArray &	vec2
	)

computes an angle between two vectors

Definition at line 706 of file frcfcmnl.C.

References oofem::FloatArray::at(), oofem::FloatArray::giveSize(), M_PI, oofem::min(), and OOFEM_ERROR.

Referenced by computeNonlocalStressInFibers().

double oofem::FRCFCMNL::computeDebondedLength

(

double

delta

)

computes debonded length of the fibers from the crack opening. Delta is here one half of the crack opening.

Definition at line 174 of file frcfcmnl.C.

References oofem::FRCFCM::Df, oofem::FRCFCM::Ef, oofem::FRCFCM::eta, oofem::FRCFCM::fiberType, oofem::FRCFCM::FT_CAF, oofem::FRCFCM::FT_SAF, oofem::FRCFCM::FT_SRF, oofem::FRCFCM::Lf, oofem::min(), OOFEM_ERROR, and oofem::FRCFCM::tau_0.

Referenced by computeNonlocalStressInFibers(), and computeNonlocalStressInFibersInUncracked().

double oofem::FRCFCMNL::computeDecreaseInFibreStress	(	double	distance,
		double	delta,
		double	debondedLength
	)

compute the the difference in fiber stress in the target (local stress) and receiver (nonlocal stress)

Definition at line 198 of file frcfcmnl.C.

References oofem::FRCFCM::computeFiberBond(), oofem::FRCFCM::Df, oofem::FRCFCM::fiberType, oofem::FRCFCM::FT_CAF, oofem::FRCFCM::FT_SAF, oofem::FRCFCM::Lf, oofem::min(), oofem::FRCFCM::tau_0, oofem::FRCFCM::Vf, and oofem::FRCFCM::w_star.

Referenced by computeNonlocalStressInFibers(), and computeNonlocalStressInFibersInUncracked().

void oofem::FRCFCMNL::computeElementCentroid	(	FloatArray &	answer,
		GaussPoint *	gp
	)

computes cetroid of a finite element - works only for linear 3 and 4-node elements

Definition at line 237 of file frcfcmnl.C.

References oofem::FloatArray::at(), oofem::Node::giveCoordinate(), oofem::GaussPoint::giveElement(), oofem::Element::giveNode(), oofem::Element::giveNumberOfNodes(), oofem::FloatArray::resize(), and oofem::FloatArray::zero().

Referenced by computeNonlocalStressInFibers(), computeNonlocalStressInFibersInUncracked(), and isInElementProjection().

double oofem::FRCFCMNL::computeNonlocalStressInFibers ( const FloatArray &  crackVector, GaussPoint *  gp, TimeStep *  tStep  )

virtual

computes nonlocal stress in fibers in cracked GP

Definition at line 360 of file frcfcmnl.C.

References oofem::FloatArray::at(), oofem::FloatMatrix::at(), oofem::NonlocalMaterialExtensionInterface::buildNonlocalPointTable(), computeAngleBetweenVectors(), oofem::FRCFCM::computeCrackFibreAngle(), computeDebondedLength(), computeDecreaseInFibreStress(), computeElementCentroid(), oofem::FCMMaterial::computeNormalCrackOpening(), oofem::FloatArray::containsOnlyZeroes(), oofem::FRCFCM::f, oofem::FRCFCM::fiberType, oofem::FRCFCM::fibreActivationOpening, oofem::FRCFCM::FT_CAF, oofem::FRCFCM::FT_SAF, oofem::FRCFCM::FT_SRF, oofem::FRCFCM::g, oofem::FCMMaterialStatus::giveCrackDirs(), oofem::FEMComponent::giveDomain(), oofem::GaussPoint::giveElement(), oofem::NonlocalMaterialExtensionInterface::giveIPIntegrationList(), oofem::GaussPoint::giveMaterial(), oofem::GaussPoint::giveMaterialStatus(), oofem::FEMComponent::giveNumber(), oofem::Domain::giveNumberOfSpatialDimensions(), oofem::FCMMaterialStatus::giveNumberOfTempCracks(), oofem::FloatArray::giveSize(), oofem::FRCFCMNLStatus::giveTempFiberStressLoc(), isInElementProjection(), M_PI, oofem::max(), OOFEM_ERROR, oofem::FRCFCM::orientationVector, participAngle, oofem::FloatArray::resize(), and oofem::FloatArray::zero().

Referenced by giveRealStressVector(), and isStrengthExceeded().

double oofem::FRCFCMNL::computeNonlocalStressInFibersInUncracked ( GaussPoint *  gp, TimeStep *  tStep  )

virtual

computes nonlocal stress in fibers in uncracked GP

Definition at line 529 of file frcfcmnl.C.

References oofem::FloatArray::at(), oofem::NonlocalMaterialExtensionInterface::buildNonlocalPointTable(), oofem::FRCFCM::computeCrackFibreAngle(), computeDebondedLength(), computeDecreaseInFibreStress(), computeElementCentroid(), oofem::FCMMaterial::computeNormalCrackOpening(), oofem::FRCFCM::f, oofem::FRCFCM::fiberType, oofem::FRCFCM::fibreActivationOpening, oofem::FRCFCM::FT_CAF, oofem::FRCFCM::FT_SAF, oofem::FRCFCM::FT_SRF, oofem::FRCFCM::g, oofem::GaussPoint::giveElement(), oofem::NonlocalMaterialExtensionInterface::giveIPIntegrationList(), oofem::GaussPoint::giveMaterial(), oofem::GaussPoint::giveMaterialStatus(), oofem::FEMComponent::giveNumber(), oofem::FCMMaterialStatus::giveNumberOfTempCracks(), oofem::FloatArray::giveSize(), oofem::FRCFCMNLStatus::giveTempFiberStressLoc(), isInElementProjection(), oofem::max(), and OOFEM_ERROR.

Referenced by giveRealStressVector().

virtual MaterialStatus* oofem::FRCFCMNL::CreateStatus ( GaussPoint *  gp ) const

inlinevirtual

Creates new copy of associated status and inserts it into given integration point.

Parameters

gp	Integration point where newly created status will be stored.

Returns

Reference to new status.

Reimplemented from oofem::FRCFCM.

Definition at line 128 of file frcfcmnl.h.

References oofem::FEMComponent::domain, and oofem::FRCFCMNLStatus::FRCFCMNLStatus().

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

inlinevirtual

Returns

Class name of the receiver.

Reimplemented from oofem::ConcreteFCM.

Definition at line 112 of file frcfcmnl.h.

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

inlinevirtual

Returns

Input record name of the receiver.

Reimplemented from oofem::ConcreteFCM.

Definition at line 113 of file frcfcmnl.h.

References _IFT_FRCFCMNL_Name, oofem::FRCFCMNLStatus::giveInterface(), oofem::IntegrationPointStatus::gp, and oofem::MaterialStatus::initializeFrom().

Interface * oofem::FRCFCMNL::giveInterface ( InterfaceType  t )

virtual

Interface requesting service.

See also

InterfaceType

Returns

Requested interface if implemented, otherwise NULL.

Reimplemented from oofem::FEMComponent.

Definition at line 746 of file frcfcmnl.C.

References oofem::NonlocalMaterialExtensionInterfaceType.

int oofem::FRCFCMNL::giveIPValue ( FloatArray &  answer, GaussPoint *  gp, InternalStateType  type, TimeStep *  tStep  )

virtual

Returns the integration point corresponding value in Reduced form.

Parameters

answer	Contain corresponding ip value, zero sized if not available.
gp	Integration point to which the value refers.
type	Determines the type of internal variable.
tStep	Determines the time step.

Returns

Nonzero if the assignment can be done, zero if this type of variable is not supported.

Reimplemented from oofem::FRCFCM.

Definition at line 758 of file frcfcmnl.C.

References oofem::FloatArray::at(), oofem::FRCFCMNLStatus::giveFiberStressLoc(), oofem::FRCFCMNLStatus::giveFiberStressNL(), oofem::FRCFCM::giveIPValue(), oofem::FCMMaterialStatus::giveMaxNumberOfCracks(), oofem::ConcreteFCM::giveStatus(), oofem::max(), and oofem::FloatArray::resize().

void oofem::FRCFCMNL::giveMaterialStiffnessMatrix ( FloatMatrix &  answer, MatResponseMode  rMode, GaussPoint *  gp, TimeStep *  tStep  )

virtual

Reimplemented from oofem::FCMMaterial.

Definition at line 667 of file frcfcmnl.C.

References oofem::FCMMaterial::giveMaterialStiffnessMatrix().

void oofem::FRCFCMNL::giveRealStressVector ( FloatArray &  answer, GaussPoint *  gp, const FloatArray &  reducedStrain, TimeStep *  tStep  )

virtual

Computes the real stress vector for given total strain and integration point.

The total strain is defined as strain computed directly from displacement field at given time. The stress independent parts (temperature, eigenstrains) are subtracted in constitutive driver. The service should use previously reached equilibrium history variables. Also it should update temporary history variables in status according to newly reached state. The temporary history variables are moved into equilibrium ones after global structure equilibrium has been reached by iteration process.

Parameters

answer	Stress vector in reduced form. For large deformations it is treated as the second Piola-Kirchoff stress.
gp	Integration point.
reducedStrain	Strain vector in reduced form. For large deformations it is treated as the Green-Lagrange strain.
tStep	Current time step (most models are able to respond only when tStep is current time step).

Todo:

Move this to StructuralCrossSection ?

Reimplemented from oofem::FCMMaterial.

Definition at line 86 of file frcfcmnl.C.

References oofem::FloatArray::at(), oofem::FloatMatrix::at(), computeNonlocalStressInFibers(), computeNonlocalStressInFibersInUncracked(), oofem::FRCFCM::computeStressInFibersInCracked(), oofem::FCMMaterialStatus::giveCrackDirs(), oofem::FRCFCMNLStatus::giveFiberStressNL(), oofem::FCMMaterialStatus::giveG2LStressVectorTransformationMtrx(), oofem::FCMMaterialStatus::giveL2GStressVectorTransformationMtrx(), oofem::FCMMaterialStatus::giveMaxNumberOfCracks(), oofem::FCMMaterialStatus::giveNumberOfTempCracks(), oofem::FCMMaterial::giveRealStressVector(), oofem::ConcreteFCM::giveStatus(), oofem::FCMMaterialStatus::giveTempCrackStrain(), oofem::StructuralMaterialStatus::letTempStressVectorBe(), oofem::max(), oofem::FloatArray::resize(), oofem::FloatArray::rotatedWith(), oofem::FRCFCMNLStatus::setTempFiberStressLoc(), oofem::FRCFCMNLStatus::setTempFiberStressNL(), and oofem::FloatArray::zero().

IRResultType oofem::FRCFCMNL::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.

See also

IR_GIVE_FIELD

IR_GIVE_OPTIONAL_FIELD

Parameters

ir	Input record to initialize from.

Returns

IRResultType

Reimplemented from oofem::FRCFCM.

Definition at line 64 of file frcfcmnl.C.

References oofem::FRCFCM::initializeFrom(), oofem::NonlocalMaterialExtensionInterface::initializeFrom(), oofem::IRRT_OK, and participAngle.

bool oofem::FRCFCMNL::isInElementProjection	(	GaussPoint *	homeGp,
		GaussPoint *	nearGp,
		int	iNlCrack
	)

checks if a element center of homeGP is in projection of element containing nearGP

Definition at line 284 of file frcfcmnl.C.

References oofem::FloatArray::at(), oofem::FloatMatrix::at(), computeElementCentroid(), oofem::FRCFCM::fiberType, oofem::FRCFCM::FT_CAF, oofem::FRCFCM::FT_SAF, oofem::Node::giveCoordinate(), oofem::FCMMaterialStatus::giveCrackDirs(), oofem::GaussPoint::giveElement(), oofem::GaussPoint::giveMaterialStatus(), oofem::Element::giveNode(), oofem::Element::giveNumberOfNodes(), oofem::max(), oofem::min(), and oofem::FRCFCM::orientationVector.

Referenced by computeNonlocalStressInFibers(), and computeNonlocalStressInFibersInUncracked().

bool oofem::FRCFCMNL::isStrengthExceeded ( const FloatMatrix &  base, GaussPoint *  gp, TimeStep *  tStep, int  iCrack, double  trialStress  )

virtual

the method from fcm is overridden to consider stress split between the matrix and fibers

Reimplemented from oofem::FRCFCM.

Definition at line 626 of file frcfcmnl.C.

References oofem::FloatArray::at(), oofem::FloatMatrix::at(), computeNonlocalStressInFibers(), oofem::FRCFCMNLStatus::giveFiberStressNL(), oofem::FCMMaterialStatus::giveMaxNumberOfCracks(), oofem::ConcreteFCM::giveStatus(), oofem::FRCFCM::isStrengthExceeded(), oofem::FCMMaterial::isStrengthExceeded(), oofem::max(), oofem::FloatArray::resize(), oofem::FRCFCMNLStatus::setTempFiberStressNL(), oofem::FRCFCM::Vf, and oofem::FloatArray::zero().

virtual void oofem::FRCFCMNL::updateBeforeNonlocAverage ( const FloatArray &  strainVector, GaussPoint *  gp, TimeStep *  tStep  )

inlinevirtual

Declares the service updating local variables in given integration points, which take part in nonlocal average process.

Because value of single integration point influences nonlocal variables in several near integration points, it is suitable to compute these variables only once. These should be stored in integration point associated statuses. The implementation is left on derived classes. Provide material local strain increment - as is provided to computeRealStresVector. This allows to update internal vars to be averaged to new state

Parameters

strainVector	Total strain vector in given integration point.
gp	Integration point to update.
tStep	Solution step indicating time of update.

Implements oofem::StructuralNonlocalMaterialExtensionInterface.

Definition at line 133 of file frcfcmnl.h.

Member Data Documentation

double oofem::FRCFCMNL::participAngle

protected

participation angle. The target gauss point must fall into this angle to contribute to the nonlocal stress

Definition at line 161 of file frcfcmnl.h.

Referenced by computeNonlocalStressInFibers(), and initializeFrom().

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

• frcfcmnl.h
• frcfcmnl.C