Specialization of a floating point array for representing a stress state. More...

#include <stressvector.h>

Inheritance diagram for oofem::StressVector:

Collaboration diagram for oofem::StressVector:

Public Member Functions
	StressVector (MaterialMode)
	Constructor. Creates zero value stress/strain vector for given material mode. More...

	StressVector (const FloatArray &, MaterialMode)
	Constructor. Creates stress/strain vector, values taken from given vector, mode is parameter. More...

	~StressVector ()
	Destructor. More...

void	computePrincipalValues (FloatArray &answer) const
	Member function that computes principal values of receiver (stress vector). More...

void	computePrincipalValDir (FloatArray &answer, FloatMatrix &dir) const
	Computes principal values and directions of receiver vector. More...

void	computeDeviatoricVolumetricSplit (StressVector &dev, double &vol) const
	Computes split of receiver into deviatoric and volumetric part. More...

void	computeDeviatoricVolumetricSum (StressVector &answer, double vol) const
	Sums volumetric part to receiver. More...

void	printYourself () const
	Prints receiver on stdout, useful for debugging. More...

double	computeFirstInvariant () const
	Computes the first invariant I1 of the stress. More...

double	computeSecondInvariant () const
	Computes the second invariant J2 of the deviatoric stress. More...

double	computeThirdInvariant () const
	Computes the third invariant J3 of the deviatoric stress state. More...

void	computeAllThreeHWCoordinates (double &xsi, double &rho, double &theta) const
	Computes all three Haigh-Westergaard coordinate of the stress. More...

double	computeFirstCoordinate () const
	Computes the first Haigh-Westergaard coordinate of the stress. More...

double	computeSecondCoordinate () const
	Computes the second Haigh-Westergaard coordinate of the deviatoric stress. More...

double	computeThirdCoordinate () const
	Computes the third Haigh-Westergaard coordinate of the deviatoric stress. More...

void	applyElasticCompliance (StrainVector &strain, const double EModulus, const double nu) const
	Applies the isotropic elastic compliance to the stress. More...

void	applyDeviatoricElasticCompliance (StrainVector &strain, const double EModulus, const double nu) const
	Applies the isotropic elastic stiffness to the deviatoric stress. More...

void	applyDeviatoricElasticCompliance (StrainVector &strain, const double GModulus) const
	Applies the isotropic elastic stiffness to the deviatoric stress. More...

double	computeStressNorm () const
	Computes the norm of the stress tensor using engineering notation. More...

Public Member Functions inherited from oofem::StressStrainBaseVector
	StressStrainBaseVector (MaterialMode)
	Constructor. Creates zero value stress/strain vector for given material mode. More...

	StressStrainBaseVector (const FloatArray &, MaterialMode)
	Constructor. Creates stress/strain vector, values taken from given vector, mode is parameter. More...

	~StressStrainBaseVector ()
	Destructor. More...

StressStrainBaseVector &	operator= (const StressStrainBaseVector &)
	Assignment operator. More...

MaterialMode	giveStressStrainMode () const
	Returns the material mode of receiver. More...

void	letStressStrainModeBe (const MaterialMode newMode)
	Changes the material mode of receiver. More...

void	convertToFullForm (FloatArray &fullform) const
	Computes the full form of receiver. More...

void	convertFromFullForm (const FloatArray &reducedform, MaterialMode mode)
	Assign to receiver the reduced form of given vector. More...

void	transformTo (StressStrainBaseVector &answer, const FloatMatrix &base, int transpose=0) const
	Transforms receiver vector into another coordinate system. More...

contextIOResultType	storeYourself (DataStream &stream)

contextIOResultType	restoreYourself (DataStream &stream)

double	computeVolumetricPart () const
	Returns the volumetric part of the vector. More...

Public Member Functions inherited from oofem::FloatArray
	FloatArray (int n=0)
	Constructor for sized array. Data is zeroed. More...

	FloatArray (double)=delete
	Disallow double parameter, which can otherwise give unexpected results. More...

	FloatArray (const FloatArray &src)
	Copy constructor. Creates the array from another array. More...

	FloatArray (FloatArray &&src)
	Move constructor. Creates the array from another array. More...

	FloatArray (std::initializer_list< double >list)
	Initializer list constructor. More...

virtual	~FloatArray ()
	Destructor. More...

FloatArray &	operator= (const FloatArray &src)
	Assignment operator. More...

FloatArray &	operator= (FloatArray &&src)
	Move operator. More...

FloatArray &	operator= (std::initializer_list< double >list)
	Assignment operator. More...

void	push_back (const double &iVal)
	Add one element. More...

bool	isFinite () const
	Returns true if no element is NAN or infinite. More...

double &	at (int i)
	Coefficient access function. More...

double	at (int i) const
	Coefficient access function. More...

double &	operator() (int i)
	Coefficient access function. More...

double &	operator[] (int i)

const double &	operator() (int i) const
	Coefficient access function. More...

const double &	operator[] (int i) const

void	checkBounds (int i) const
	Checks size of receiver towards requested bounds. More...

void	checkSizeTowards (const IntArray &loc)
	Checks size of receiver towards values stored in loc array. More...

void	reserve (int s)
	Allocates enough size to fit s, and clears the array. More...

void	resizeWithValues (int s, int allocChunk=0)
	Checks size of receiver towards requested bounds. More...

void	resize (int s)
	Resizes receiver towards requested size. More...

void	clear ()
	Clears receiver (zero size). More...

void	hardResize (int s)
	Resizes the size of the receiver to requested bounds. More...

bool	containsOnlyZeroes () const
	Returns nonzero if all coefficients of the receiver are 0, else returns zero. More...

int	giveSize () const
	Returns the size of receiver. More...

bool	isNotEmpty () const
	Returns true if receiver is not empty. More...

bool	isEmpty () const
	Returns true if receiver is empty. More...

void	negated ()
	Switches the sign of every coefficient of receiver. More...

virtual void	printYourself (const std::string &name) const
	Print receiver on stdout with custom name. More...

virtual void	printYourselfToFile (const std::string filename, const bool showDimensions=true) const
	Print receiver to file. More...

virtual void	pY () const
	Print receiver on stdout with high accuracy. More...

void	zero ()
	Zeroes all coefficients of receiver. More...

void	append (const FloatArray &a)
	Appends array to reciever. More...

void	append (double a)
	Appends value to reciever. More...

void	beProductOf (const FloatMatrix &aMatrix, const FloatArray &anArray)
	Receiver becomes the result of the product of aMatrix and anArray. More...

void	beTProductOf (const FloatMatrix &aMatrix, const FloatArray &anArray)
	Receiver becomes the result of the product of aMatrix^T and anArray. More...

void	beVectorProductOf (const FloatArray &v1, const FloatArray &v2)
	Computes vector product (or cross product) of vectors given as parameters, $v_1 \times v_2$ , and stores the result into receiver. More...

void	beScaled (double s, const FloatArray &b)
	Sets receiver to be . More...

void	add (const FloatArray &src)
	Adds array src to receiver. More...

void	add (double factor, const FloatArray &b)
	Adds array times factor to receiver. More...

void	plusProduct (const FloatMatrix &b, const FloatArray &s, double dV)
	Adds the product . More...

void	add (double offset)
	Adds scalar to receiver. More...

void	subtract (const FloatArray &src)
	Subtracts array src to receiver. More...

void	times (double s)
	Multiplies receiver with scalar. More...

void	beMaxOf (const FloatArray &a, const FloatArray &b)
	Sets receiver to maximum of a or b's respective elements. More...

void	beMinOf (const FloatArray &a, const FloatArray &b)
	Sets receiver to be minimum of a or b's respective elements. More...

void	beDifferenceOf (const FloatArray &a, const FloatArray &b)
	Sets receiver to be a - b. More...

void	beDifferenceOf (const FloatArray &a, const FloatArray &b, int n)
	Sets receiver to be a - b, using only the first n entries. More...

void	beSubArrayOf (const FloatArray &src, const IntArray &indx)
	Extract sub vector form src array and stores the result into receiver. More...

void	addSubVector (const FloatArray &src, int si)
	Adds the given vector as sub-vector to receiver. More...

void	assemble (const FloatArray &fe, const IntArray &loc)
	Assembles the array fe (typically, the load vector of a finite element) into the receiver, using loc as location array. More...

void	assembleSquared (const FloatArray &fe, const IntArray &loc)
	Assembles the array fe with each component squared. More...

void	copySubVector (const FloatArray &src, int si)
	Copy the given vector as sub-vector to receiver. More...

double	distance (const FloatArray &x) const
	Computes the distance between position represented by receiver and position given as parameter. More...

double	distance (const FloatArray *x) const

double	distance (const FloatArray &iP1, const FloatArray &iP2, double &oXi, double &oXiUnbounded) const
	Computes distance between the position represented by the reciever and a line segment represented by it's start point iP1 and it's end point iP2. More...

double	distance_square (const FloatArray &iP1, const FloatArray &iP2, double &oXi, double &oXiUnbounded) const

double	distance_square (const FloatArray &x) const
	Computes the square of distance between position represented by receiver and position given as parameter. More...

int	giveIndexMinElem (void)
	Returns index (between 1 and Size) of minimum element in the array. More...

int	giveIndexMaxElem (void)
	Returns index (between 1 and Size) of maximum element in the array. More...

double	dotProduct (const FloatArray &x) const
	Computes the dot product (or inner product) of receiver and argument. More...

double	dotProduct (const FloatArray &x, int size) const
	Computes the dot product (or inner product) of receiver and argument. More...

double	normalize ()
	Normalizes receiver. More...

double	computeNorm () const
	Computes the norm (or length) of the vector. More...

double	computeSquaredNorm () const
	Computes the square of the norm. More...

double	sum () const
	Computes the sum of receiver values. More...

double	product () const
	Computes the product of receiver values. More...

void	rotatedWith (FloatMatrix &r, char mode)
	Returns the receiver a rotated according the change-of-base matrix r. More...

const double *	givePointer () const
	Gives the pointer to the raw data, breaking encapsulation. More...

double *	givePointer ()

void	beVectorForm (const FloatMatrix &aMatrix)
	Reciever will be a vector with 9 components formed from a 3x3 matrix. More...

void	beSymVectorForm (const FloatMatrix &aMatrix)
	Reciever will be a vector with 6 components formed from a 3x3 matrix. More...

void	beSymVectorFormOfStrain (const FloatMatrix &aMatrix)

void	changeComponentOrder ()
	Swaps the fourth and sixth index in the array. More...

void	power (const double exponent)
	Raise each element to its power. More...

void	beColumnOf (const FloatMatrix &mat, int col)
	Reciever will be set to a given column in a matrix. More...

contextIOResultType	storeYourself (DataStream &stream) const

contextIOResultType	restoreYourself (DataStream &stream)

int	givePackSize (DataStream &buff) const

std::vector< double >::iterator	begin ()

std::vector< double >::iterator	end ()

std::vector< double >::const_iterator	begin () const

std::vector< double >::const_iterator	end () const

FloatArray &	operator= (const double &)
	Assignment of scalar to all components of receiver. More...

Protected Member Functions
void	giveTranformationMtrx (FloatMatrix &answer, const FloatMatrix &base, int transpose=0) const
	Computes 3d transformation matrix from standard vector transformation matrix. More...

Additional Inherited Members
Protected Attributes inherited from oofem::StressStrainBaseVector
StressStrainMatMode	mode
	Stress strain mode. More...

Protected Attributes inherited from oofem::FloatArray
std::vector< double >	values
	Stored values. More...

Detailed Description

Specialization of a floating point array for representing a stress state.

Definition at line 48 of file stressvector.h.

Constructor & Destructor Documentation

oofem::StressVector::StressVector ( MaterialMode m )

Constructor. Creates zero value stress/strain vector for given material mode.

Definition at line 44 of file stressvector.C.

oofem::StressVector::StressVector	(	const FloatArray &	src,
		MaterialMode	m
	)

Constructor. Creates stress/strain vector, values taken from given vector, mode is parameter.

Definition at line 47 of file stressvector.C.

oofem::StressVector::~StressVector ( )

inline

Destructor.

Definition at line 56 of file stressvector.h.

Member Function Documentation

void oofem::StressVector::applyDeviatoricElasticCompliance	(	StrainVector &	strain,
		const double	EModulus,
		const double	nu
	)		const

Applies the isotropic elastic stiffness to the deviatoric stress.

Parameters

strain	Computed strain
EModulus	Elasticity modulus of the material.
nu	Poisson's ratio of the material.

Definition at line 456 of file stressvector.C.

void oofem::StressVector::applyDeviatoricElasticCompliance	(	StrainVector &	strain,
		const double	GModulus
	)		const

Applies the isotropic elastic stiffness to the deviatoric stress.

Parameters

strain	Computed strain.
GModulus	Shear modulus of the material.

Definition at line 467 of file stressvector.C.

References oofem::StressStrainBaseVector::giveStressStrainMode(), OOFEM_ERROR, and oofem::FloatArray::values.

void oofem::StressVector::applyElasticCompliance	(	StrainVector &	strain,
		const double	EModulus,
		const double	nu
	)		const

Applies the isotropic elastic compliance to the stress.

Parameters

strain	Computed strain.
EModulus	Elasticity modulus of the material.
nu	Poisson's ratio of the material.

Definition at line 427 of file stressvector.C.

References oofem::StressStrainBaseVector::giveStressStrainMode(), and oofem::FloatArray::values.

void oofem::StressVector::computeAllThreeHWCoordinates	(	double &	xsi,
		double &	rho,
		double &	theta
	)		const

Computes all three Haigh-Westergaard coordinate of the stress.

Parameters

xsi	First HW-coordinate.
rho	Second HW-coordinate.
theta	third HW-coordinate.

Definition at line 367 of file stressvector.C.

References computeDeviatoricVolumetricSplit(), computeFirstCoordinate(), computeSecondCoordinate(), computeThirdCoordinate(), and oofem::StressStrainBaseVector::giveStressStrainMode().

void oofem::StressVector::computeDeviatoricVolumetricSplit	(	StressVector &	dev,
		double &	vol
	)		const

Computes split of receiver into deviatoric and volumetric part.

Parameters

dev	Computed deviatoric part.
vol	Computed volumetric part.

Definition at line 51 of file stressvector.C.

References oofem::FloatArray::at(), oofem::StressStrainBaseVector::giveStressStrainMode(), and OOFEM_ERROR.

Referenced by computeAllThreeHWCoordinates().

void oofem::StressVector::computeDeviatoricVolumetricSum	(	StressVector &	answer,
		double	vol
	)		const

Sums volumetric part to receiver.

Parameters

answer	Computed full stress vector.
vol	Volumetric part to add.

Definition at line 78 of file stressvector.C.

References oofem::StressStrainBaseVector::giveStressStrainMode(), and OOFEM_ERROR.

double oofem::StressVector::computeFirstCoordinate ( ) const

Computes the first Haigh-Westergaard coordinate of the stress.

Returns: $\displaystyle \xi = \frac{I_1}{\sqrt{3}}$ .

Definition at line 382 of file stressvector.C.

References computeFirstInvariant().

Referenced by computeAllThreeHWCoordinates().

double oofem::StressVector::computeFirstInvariant ( ) const

Computes the first invariant I1 of the stress.

Returns: First invariant.

Definition at line 291 of file stressvector.C.

References oofem::StressStrainBaseVector::giveStressStrainMode(), and oofem::FloatArray::values.

Referenced by computeFirstCoordinate().

void oofem::StressVector::computePrincipalValDir	(	FloatArray &	answer,
		FloatMatrix &	dir
	)		const

virtual

Computes principal values and directions of receiver vector.

Parameters

answer	Computed principal values (sorted).
dir	Principal directions (stored column wise).

Implements oofem::StressStrainBaseVector.

Definition at line 182 of file stressvector.C.

References oofem::FloatArray::at(), oofem::FloatMatrix::at(), oofem::StressStrainBaseVector::convertToFullForm(), oofem::FloatArray::giveSize(), oofem::StressStrainBaseVector::giveStressStrainMode(), oofem::FloatMatrix::jaco_(), oofem::FloatArray::resize(), oofem::FloatMatrix::resize(), oofem::FloatArray::zero(), and oofem::FloatMatrix::zero().

Referenced by oofem::RankineMat::computeEta(), oofem::IsotropicDamageMaterial1::computeEta(), oofem::RankineMat::evaluatePlaneStressStiffMtrx(), oofem::IDGMaterial::giveInternalLength(), oofem::IDGMaterial::giveInternalLengthDerivative(), oofem::RankineMatGrad::givePlaneStressKappaMatrix(), oofem::MPSDamMaterial::giveRealStressVector(), and oofem::RankineMat::performPlasticityReturn().

void oofem::StressVector::computePrincipalValues ( FloatArray & answer ) const

virtual

Member function that computes principal values of receiver (stress vector).

Parameters

answer computed principal values (sorted)

Implements oofem::StressStrainBaseVector.

Definition at line 104 of file stressvector.C.

References oofem::FloatArray::at(), oofem::StressStrainBaseVector::convertToFullForm(), oofem::cubic3r(), oofem::FloatArray::giveSize(), oofem::StressStrainBaseVector::giveStressStrainMode(), oofem::FloatArray::resize(), and oofem::FloatArray::zero().

double oofem::StressVector::computeSecondCoordinate ( ) const

Computes the second Haigh-Westergaard coordinate of the deviatoric stress.

Returns: $\rho = \sqrt{2 J_2}$ .

Definition at line 392 of file stressvector.C.

References computeSecondInvariant().

Referenced by computeAllThreeHWCoordinates().

double oofem::StressVector::computeSecondInvariant ( ) const

Computes the second invariant J2 of the deviatoric stress.

Returns: Second invariant.

Definition at line 311 of file stressvector.C.

References oofem::StressStrainBaseVector::giveStressStrainMode(), and oofem::FloatArray::values.

Referenced by computeSecondCoordinate(), and computeThirdCoordinate().

double oofem::StressVector::computeStressNorm ( ) const

Computes the norm of the stress tensor using engineering notation.

Returns: Norm of the deviatoric part.

Definition at line 500 of file stressvector.C.

References oofem::StressStrainBaseVector::giveStressStrainMode(), and oofem::FloatArray::values.

Referenced by oofem::MisesMatGrad::givePlaneStrainStiffMtrx().

double oofem::StressVector::computeThirdCoordinate ( ) const

Computes the third Haigh-Westergaard coordinate of the deviatoric stress.

Returns: $\displaystyle \theta = 3\frac{\sqrt{3}}{2} \frac{J_3}{J_2^{\frac 32}}$ .

Definition at line 402 of file stressvector.C.

References computeSecondInvariant(), and computeThirdInvariant().

Referenced by computeAllThreeHWCoordinates().

double oofem::StressVector::computeThirdInvariant ( ) const

Computes the third invariant J3 of the deviatoric stress state.

Returns: Third invariant.

Definition at line 336 of file stressvector.C.

References oofem::StressStrainBaseVector::giveStressStrainMode(), and oofem::FloatArray::values.

Referenced by computeThirdCoordinate().

void oofem::StressVector::giveTranformationMtrx	(	FloatMatrix &	answer,
		const FloatMatrix &	base,
		int	transpose = `0`
	)		const

protectedvirtual

Computes 3d transformation matrix from standard vector transformation matrix.

Parameters

answer	transformation matrix for strain vector
base	(3,3) matrix, where on each column are stored unit direction vectors of local coordinate axes to which we do transformation.
transpose	If transpose == 1 then transpose base matrix before transforming

Implements oofem::StressStrainBaseVector.

Definition at line 529 of file stressvector.C.

References oofem::FloatMatrix::at(), oofem::FloatMatrix::beTranspositionOf(), and oofem::FloatMatrix::resize().

void oofem::StressVector::printYourself ( ) const

virtual

Prints receiver on stdout, useful for debugging.

Reimplemented from oofem::FloatArray.

Definition at line 278 of file stressvector.C.

References oofem::StressStrainBaseVector::mode.

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

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation