This is a 3D-2node truss element with 3 translational dofs per node. More...

#include <truss_element_3D2N.hpp>

Inheritance diagram for Kratos::TrussElement3D2N:

Collaboration diagram for Kratos::TrussElement3D2N:

Public Types
typedef Element	BaseType

typedef BaseType::GeometryType	GeometryType

typedef BaseType::NodesArrayType	NodesArrayType

typedef BaseType::PropertiesType	PropertiesType

typedef BaseType::IndexType	IndexType

typedef BaseType::SizeType	SizeType

typedef BaseType::MatrixType	MatrixType

typedef BaseType::VectorType	VectorType

typedef BaseType::EquationIdVectorType	EquationIdVectorType

typedef BaseType::DofsVectorType	DofsVectorType

Public Types inherited from Kratos::Element
typedef Element	ElementType
	definition of element type More...

typedef GeometricalObject	BaseType
	base type: an GeometricalObject that automatically has a unique number More...

typedef Node	NodeType
	definition of node type (default is: Node) More...

typedef Properties	PropertiesType

typedef Geometry< NodeType >	GeometryType
	definition of the geometry type with given NodeType More...

typedef Geometry< NodeType >::PointsArrayType	NodesArrayType
	definition of nodes container type, redefined from GeometryType More...

typedef Vector	VectorType

typedef Matrix	MatrixType

typedef std::size_t	IndexType

typedef std::size_t	SizeType

typedef Dof< double >	DofType

typedef std::vector< std::size_t >	EquationIdVectorType

typedef std::vector< DofType::Pointer >	DofsVectorType

typedef PointerVectorSet< DofType >	DofsArrayType

typedef GeometryData::IntegrationMethod	IntegrationMethod
	Type definition for integration methods. More...

typedef GeometryData	GeometryDataType

Public Types inherited from Kratos::GeometricalObject
typedef Node	NodeType
	Definition of the node type. More...

typedef Geometry< NodeType >	GeometryType
	The geometry type definition. More...

typedef std::size_t	IndexType
	Defines the index type. More...

typedef std::size_t	result_type
	Defines the result type. More...

Public Types inherited from Kratos::IndexedObject
typedef std::size_t	IndexType
	The definition of the index type. More...

typedef std::size_t	result_type
	The definition of the result_type. More...

Public Types inherited from Kratos::Flags
enum	FlagsList { Flag0 = BlockType(1) , Flag1 = BlockType(1) << 1 , Flag2 = BlockType(1) << 2 , Flag3 = BlockType(1) << 3 , Flag4 = BlockType(1) << 4 , Flag5 = BlockType(1) << 5 , Flag6 = BlockType(1) << 6 , Flag7 = BlockType(1) << 7 , Flag8 = BlockType(1) << 8 , Flag9 = BlockType(1) << 9 , Flag10 = BlockType(1) << 10 , Flag11 = BlockType(1) << 11 , Flag12 = BlockType(1) << 12 , Flag13 = BlockType(1) << 13 , Flag14 = BlockType(1) << 14 , Flag15 = BlockType(1) << 15 , Flag16 = BlockType(1) << 16 , Flag17 = BlockType(1) << 17 , Flag18 = BlockType(1) << 18 , Flag19 = BlockType(1) << 19 , Flag20 = BlockType(1) << 20 , Flag21 = BlockType(1) << 21 , Flag22 = BlockType(1) << 22 , Flag23 = BlockType(1) << 23 , Flag24 = BlockType(1) << 24 , Flag25 = BlockType(1) << 25 , Flag26 = BlockType(1) << 26 , Flag27 = BlockType(1) << 27 , Flag28 = BlockType(1) << 28 , Flag29 = BlockType(1) << 29 , Flag30 = BlockType(1) << 30 }

typedef int64_t	BlockType

typedef int64_t	FlagType

typedef std::size_t	IndexType

Public Member Functions
	KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION (TrussElement3D2N)

	TrussElement3D2N ()

	TrussElement3D2N (IndexType NewId, GeometryType::Pointer pGeometry)

	TrussElement3D2N (IndexType NewId, GeometryType::Pointer pGeometry, PropertiesType::Pointer pProperties)

	~TrussElement3D2N () override

Element::Pointer	Create (IndexType NewId, GeometryType::Pointer pGeom, PropertiesType::Pointer pProperties) const override
	Creates a new element. More...

Element::Pointer	Create (IndexType NewId, NodesArrayType const &ThisNodes, PropertiesType::Pointer pProperties) const override
	Creates a new element. More...

void	EquationIdVector (EquationIdVectorType &rResult, const ProcessInfo &rCurrentProcessInfo) const override

void	GetDofList (DofsVectorType &rElementalDofList, const ProcessInfo &rCurrentProcessInfo) const override

void	Initialize (const ProcessInfo &rCurrentProcessInfo) override

virtual BoundedMatrix< double, msLocalSize, msLocalSize >	CreateElementStiffnessMatrix (const ProcessInfo &rCurrentProcessInfo)
	This function calculates the total stiffness matrix for the element. More...

void	Calculate (const Variable< Matrix > &rVariable, Matrix &rOutput, const ProcessInfo &rCurrentProcessInfo) override

void	Calculate (const Variable< double > &rVariable, double &rOutput, const ProcessInfo &rCurrentProcessInfo) override

void	CalculateOnIntegrationPoints (const Variable< double > &rVariable, std::vector< double > &rOutput, const ProcessInfo &rCurrentProcessInfo) override

void	CalculateOnIntegrationPoints (const Variable< array_1d< double, 3 > > &rVariable, std::vector< array_1d< double, 3 > > &rOutput, const ProcessInfo &rCurrentProcessInfo) override

void	CalculateOnIntegrationPoints (const Variable< Vector > &rVariable, std::vector< Vector > &rOutput, const ProcessInfo &rCurrentProcessInfo) override

virtual void	UpdateInternalForces (BoundedVector< double, msLocalSize > &rInternalForces, const ProcessInfo &rCurrentProcessInfo)
	This function updates the internal normal force w.r.t. the current deformations. More...

void	CreateTransformationMatrix (BoundedMatrix< double, msLocalSize, msLocalSize > &rRotationMatrix)
	This function calculates the transformation matrix to globalize vectors and/or matrices. More...

void	CalculateLocalSystem (MatrixType &rLeftHandSideMatrix, VectorType &rRightHandSideVector, const ProcessInfo &rCurrentProcessInfo) override

void	CalculateRightHandSide (VectorType &rRightHandSideVector, const ProcessInfo &rCurrentProcessInfo) override

void	CalculateLeftHandSide (MatrixType &rLeftHandSideMatrix, const ProcessInfo &rCurrentProcessInfo) override

void	CalculateMassMatrix (MatrixType &rMassMatrix, const ProcessInfo &rCurrentProcessInfo) override

void	CalculateConsistentMassMatrix (MatrixType &rMassMatrix, const ProcessInfo &rCurrentProcessInfo) const

void	CalculateDampingMatrix (MatrixType &rDampingMatrix, const ProcessInfo &rCurrentProcessInfo) override

void	AddExplicitContribution (const VectorType &rRHSVector, const Variable< VectorType > &rRHSVariable, const Variable< double > &rDestinationVariable, const ProcessInfo &rCurrentProcessInfo) override
	This function is designed to make the element to assemble an rRHS vector identified by a variable rRHSVariable by assembling it to the nodes on the variable rDestinationVariable (double version) More...

void	AddExplicitContribution (const VectorType &rRHSVector, const Variable< VectorType > &rRHSVariable, const Variable< array_1d< double, 3 > > &rDestinationVariable, const ProcessInfo &rCurrentProcessInfo) override
	This function is designed to make the element to assemble an rRHS vector identified by a variable rRHSVariable by assembling it to the nodes on the variable (array_1d<double, 3>) version rDestinationVariable. More...

void	GetValuesVector (Vector &rValues, int Step=0) const override

void	GetSecondDerivativesVector (Vector &rValues, int Step=0) const override

void	GetFirstDerivativesVector (Vector &rValues, int Step=0) const override

int	Check (const ProcessInfo &rCurrentProcessInfo) const override

double	CalculateGreenLagrangeStrain () const
	This function calculates the current Green-Lagrange strain. More...

BoundedVector< double, msLocalSize >	CalculateBodyForces ()
	This function calculates self-weight forces. More...

void	CalculateGeometricStiffnessMatrix (BoundedMatrix< double, msLocalSize, msLocalSize > &rGeometricStiffnessMatrix, const ProcessInfo &rCurrentProcessInfo)
	This function assembles the geometric stiffness part of the total stiffness matrix. More...

void	CalculateElasticStiffnessMatrix (BoundedMatrix< double, msLocalSize, msLocalSize > &rElasticStiffnessMatrix, const ProcessInfo &rCurrentProcessInfo)
	This function assembles the elastic stiffness part of the total stiffness matrix. More...

virtual void	WriteTransformationCoordinates (BoundedVector< double, msLocalSize > &rReferenceCoordinates)
	This function calculates the current nodal postion for the transformation matrix. More...

double	ReturnTangentModulus1D (const ProcessInfo &rCurrentProcessInfo)

void	FinalizeSolutionStep (const ProcessInfo &rCurrentProcessInfo) override

bool	HasSelfWeight () const
	This function checks if self weight is present. More...

const Parameters	GetSpecifications () const override
	This method provides the specifications/requirements of the element. More...

Public Member Functions inherited from Kratos::Element
	Element (IndexType NewId=0)

	Element (IndexType NewId, const NodesArrayType &ThisNodes)

	Element (IndexType NewId, GeometryType::Pointer pGeometry)

	Element (IndexType NewId, GeometryType::Pointer pGeometry, PropertiesType::Pointer pProperties)

	Element (Element const &rOther)
	Copy constructor. More...

	~Element () override
	Destructor. More...

Element &	operator= (Element const &rOther)
	Assignment operator. More...

virtual Pointer	Clone (IndexType NewId, NodesArrayType const &ThisNodes) const
	It creates a new element pointer and clones the previous element data. More...

virtual IntegrationMethod	GetIntegrationMethod () const

virtual void	ResetConstitutiveLaw ()

virtual void	InitializeSolutionStep (const ProcessInfo &rCurrentProcessInfo)

virtual void	InitializeNonLinearIteration (const ProcessInfo &rCurrentProcessInfo)

virtual void	FinalizeNonLinearIteration (const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateFirstDerivativesContributions (MatrixType &rLeftHandSideMatrix, VectorType &rRightHandSideVector, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateFirstDerivativesLHS (MatrixType &rLeftHandSideMatrix, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateFirstDerivativesRHS (VectorType &rRightHandSideVector, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateSecondDerivativesContributions (MatrixType &rLeftHandSideMatrix, VectorType &rRightHandSideVector, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateSecondDerivativesLHS (MatrixType &rLeftHandSideMatrix, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateSecondDerivativesRHS (VectorType &rRightHandSideVector, const ProcessInfo &rCurrentProcessInfo)

virtual void	AddExplicitContribution (const ProcessInfo &rCurrentProcessInfo)

virtual void	AddExplicitContribution (const MatrixType &rLHSMatrix, const Variable< MatrixType > &rLHSVariable, const Variable< Matrix > &rDestinationVariable, const ProcessInfo &rCurrentProcessInfo)
	This function is designed to make the element to assemble an rRHS vector identified by a variable rRHSVariable by assembling it to the nodes on the variable rDestinationVariable. (This is the matrix version) More...

virtual void	Calculate (const Variable< array_1d< double, 3 > > &rVariable, array_1d< double, 3 > &Output, const ProcessInfo &rCurrentProcessInfo)

virtual void	Calculate (const Variable< Vector > &rVariable, Vector &Output, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateOnIntegrationPoints (const Variable< bool > &rVariable, std::vector< bool > &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateOnIntegrationPoints (const Variable< int > &rVariable, std::vector< int > &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateOnIntegrationPoints (const Variable< array_1d< double, 3 >> &rVariable, std::vector< array_1d< double, 3 >> &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateOnIntegrationPoints (const Variable< array_1d< double, 4 >> &rVariable, std::vector< array_1d< double, 4 >> &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateOnIntegrationPoints (const Variable< array_1d< double, 6 >> &rVariable, std::vector< array_1d< double, 6 >> &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateOnIntegrationPoints (const Variable< array_1d< double, 9 >> &rVariable, std::vector< array_1d< double, 9 >> &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateOnIntegrationPoints (const Variable< Matrix > &rVariable, std::vector< Matrix > &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateOnIntegrationPoints (const Variable< ConstitutiveLaw::Pointer > &rVariable, std::vector< ConstitutiveLaw::Pointer > &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< bool > &rVariable, const std::vector< bool > &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< int > &rVariable, const std::vector< int > &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< double > &rVariable, const std::vector< double > &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< array_1d< double, 3 >> &rVariable, const std::vector< array_1d< double, 3 >> &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< array_1d< double, 4 >> &rVariable, const std::vector< array_1d< double, 4 >> &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< array_1d< double, 6 >> &rVariable, const std::vector< array_1d< double, 6 >> &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< array_1d< double, 9 >> &rVariable, const std::vector< array_1d< double, 9 >> &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< Vector > &rVariable, const std::vector< Vector > &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< Matrix > &rVariable, const std::vector< Matrix > &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	SetValuesOnIntegrationPoints (const Variable< ConstitutiveLaw::Pointer > &rVariable, const std::vector< ConstitutiveLaw::Pointer > &rValues, const ProcessInfo &rCurrentProcessInfo)

virtual void	MassMatrix (MatrixType &rMassMatrix, const ProcessInfo &rCurrentProcessInfo)

virtual void	AddMassMatrix (MatrixType &rLeftHandSideMatrix, double coeff, const ProcessInfo &rCurrentProcessInfo)

virtual void	DampMatrix (MatrixType &rDampMatrix, const ProcessInfo &rCurrentProcessInfo)

virtual void	AddInertiaForces (VectorType &rRightHandSideVector, double coeff, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateLocalVelocityContribution (MatrixType &rDampingMatrix, VectorType &rRightHandSideVector, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateSensitivityMatrix (const Variable< double > &rDesignVariable, Matrix &rOutput, const ProcessInfo &rCurrentProcessInfo)

virtual void	CalculateSensitivityMatrix (const Variable< array_1d< double, 3 > > &rDesignVariable, Matrix &rOutput, const ProcessInfo &rCurrentProcessInfo)

PropertiesType::Pointer	pGetProperties ()
	returns the pointer to the property of the element. Does not throw an error, to allow copying of elements which don't have any property assigned. More...

const PropertiesType::Pointer	pGetProperties () const

PropertiesType &	GetProperties ()

PropertiesType const &	GetProperties () const

void	SetProperties (PropertiesType::Pointer pProperties)

bool	HasProperties () const
	Check that the Element has a correctly initialized pointer to a Properties instance. More...

std::string	Info () const override
	Turn back information as a string. More...

void	PrintInfo (std::ostream &rOStream) const override
	Print information about this object. More...

void	PrintData (std::ostream &rOStream) const override
	Print object's data. More...

	KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION (Element)

Public Member Functions inherited from Kratos::GeometricalObject
	GeometricalObject (IndexType NewId=0)
	Default constructor. More...

	GeometricalObject (IndexType NewId, GeometryType::Pointer pGeometry)
	Default constructor. More...

	~GeometricalObject () override
	Destructor. More...

	GeometricalObject (GeometricalObject const &rOther)
	Copy constructor. More...

GeometricalObject &	operator= (GeometricalObject const &rOther)
	Assignment operator. More...

virtual void	SetGeometry (GeometryType::Pointer pGeometry)
	Sets the pointer to the geometry. More...

GeometryType::Pointer	pGetGeometry ()
	Returns the pointer to the geometry. More...

const GeometryType::Pointer	pGetGeometry () const
	Returns the pointer to the geometry (const version) More...

GeometryType &	GetGeometry ()
	Returns the reference of the geometry. More...

GeometryType const &	GetGeometry () const
	Returns the reference of the geometry (const version) More...

Flags &	GetFlags ()
	Returns the flags of the object. More...

Flags const &	GetFlags () const
	Returns the flags of the object (const version) More...

void	SetFlags (Flags const &rThisFlags)
	Sets the flags of the object. More...

DataValueContainer &	Data ()

DataValueContainer &	GetData ()

DataValueContainer const &	GetData () const

void	SetData (DataValueContainer const &rThisData)

template<class TDataType >
bool	Has (const Variable< TDataType > &rThisVariable) const

template<class TVariableType >
void	SetValue (const TVariableType &rThisVariable, typename TVariableType::Type const &rValue)

template<class TVariableType >
TVariableType::Type &	GetValue (const TVariableType &rThisVariable)

template<class TVariableType >
TVariableType::Type const &	GetValue (const TVariableType &rThisVariable) const

std::string	Info () const override
	Turn back information as a string. More...

void	PrintInfo (std::ostream &rOStream) const override
	Print information about this object. More...

void	PrintData (std::ostream &rOStream) const override
	Print object's data. More...

unsigned int	use_count () const noexcept

	KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION (GeometricalObject)
	Pointer definition of GeometricalObject. More...

bool	IsActive () const
	Checks if the GeometricalObject is active. More...

Public Member Functions inherited from Kratos::IndexedObject
	IndexedObject (IndexType NewId=0)
	Default constructor. More...

virtual	~IndexedObject ()
	Destructor. More...

	IndexedObject (IndexedObject const &rOther)
	Copy constructor. More...

IndexedObject &	operator= (IndexedObject const &rOther)
	Assignment operator. More...

template<class TObjectType >
IndexType	operator() (TObjectType const &rThisObject) const

IndexType	Id () const

IndexType	GetId () const

virtual void	SetId (IndexType NewId)

IndexType &	DepricatedIdAccess ()
	TODO: remove this function when removing data_file_io object. More...

	KRATOS_CLASS_POINTER_DEFINITION (IndexedObject)
	Pointer definition of IndexedObject. More...

Public Member Functions inherited from Kratos::Flags
Flags &	operator= (Flags const &rOther)
	Assignment operator. More...

	operator bool () const

Flags	operator~ () const

bool	operator! () const

void	AssignFlags (Flags const &rOther)

void	Set (const Flags ThisFlag)

void	Set (const Flags ThisFlag, bool Value)

void	Reset (const Flags ThisFlag)

void	Flip (const Flags ThisFlag)

void	SetPosition (IndexType Position, bool Value=true)

bool	GetPosition (IndexType Position) const

void	FlipPosition (IndexType Position)

void	ClearPosition (IndexType Position)

void	Clear ()

Flags	AsFalse () const

bool	Is (Flags const &rOther) const

bool	IsDefined (Flags const &rOther) const

bool	IsNot (Flags const &rOther) const

bool	IsNotDefined (Flags const &rOther) const

	KRATOS_CLASS_POINTER_DEFINITION (Flags)
	Pointer definition of Flags. More...

const Flags &	operator\|= (const Flags &Other)

const Flags &	operator&= (const Flags &Other)

	Flags ()
	Default constructor. More...

	Flags (Flags const &rOther)
	Copy constructor. More...

virtual	~Flags ()
	Destructor. More...

Protected Attributes
ConstitutiveLaw::Pointer	mpConstitutiveLaw = nullptr

Static Protected Attributes
static constexpr int	msNumberOfNodes = 2

static constexpr int	msDimension = 3

static constexpr unsigned int	msLocalSize = msNumberOfNodes * msDimension

Friends
class	Serializer

Additional Inherited Members
Static Public Member Functions inherited from Kratos::GeometricalObject
static bool	HasSameType (const GeometricalObject &rLHS, const GeometricalObject &rRHS)
	Checks if two GeometricalObject have the same type. More...

static bool	HasSameType (const GeometricalObject rLHS, const GeometricalObject rRHS)
	Checks if two GeometricalObject have the same type (pointer version) More...

static bool	HasSameGeometryType (const GeometricalObject &rLHS, const GeometricalObject &rRHS)
	Checks if two GeometricalObject have the same geometry type. More...

static bool	HasSameGeometryType (const GeometricalObject rLHS, const GeometricalObject rRHS)
	Checks if two GeometricalObject have the same geometry type (pointer version) More...

static bool	IsSame (const GeometricalObject &rLHS, const GeometricalObject &rRHS)
	Checks if two GeometricalObject are the same. More...

static bool	IsSame (const GeometricalObject rLHS, const GeometricalObject rRHS)
	Checks if two GeometricalObject are the same (pointer version) More...

Static Public Member Functions inherited from Kratos::Flags
static const Flags	AllDefined ()

static const Flags	AllTrue ()

static Flags	Create (IndexType ThisPosition, bool Value=true)

Detailed Description

This is a 3D-2node truss element with 3 translational dofs per node.

Author: Klaus B Sautter

Member Typedef Documentation

◆ BaseType

typedef Element Kratos::TrussElement3D2N::BaseType

◆ DofsVectorType

typedef BaseType::DofsVectorType Kratos::TrussElement3D2N::DofsVectorType

◆ EquationIdVectorType

typedef BaseType::EquationIdVectorType Kratos::TrussElement3D2N::EquationIdVectorType

◆ GeometryType

typedef BaseType::GeometryType Kratos::TrussElement3D2N::GeometryType

◆ IndexType

typedef BaseType::IndexType Kratos::TrussElement3D2N::IndexType

◆ MatrixType

typedef BaseType::MatrixType Kratos::TrussElement3D2N::MatrixType

◆ NodesArrayType

typedef BaseType::NodesArrayType Kratos::TrussElement3D2N::NodesArrayType

◆ PropertiesType

typedef BaseType::PropertiesType Kratos::TrussElement3D2N::PropertiesType

◆ SizeType

typedef BaseType::SizeType Kratos::TrussElement3D2N::SizeType

◆ VectorType

typedef BaseType::VectorType Kratos::TrussElement3D2N::VectorType

Constructor & Destructor Documentation

◆ TrussElement3D2N() [1/3]

Kratos::TrussElement3D2N::TrussElement3D2N ( )

inline

◆ TrussElement3D2N() [2/3]

Kratos::TrussElement3D2N::TrussElement3D2N	(	IndexType	NewId,
		GeometryType::Pointer	pGeometry
	)

◆ TrussElement3D2N() [3/3]

Kratos::TrussElement3D2N::TrussElement3D2N	(	IndexType	NewId,
		GeometryType::Pointer	pGeometry,
		PropertiesType::Pointer	pProperties
	)

◆ ~TrussElement3D2N()

Kratos::TrussElement3D2N::~TrussElement3D2N ( )

override

Member Function Documentation

◆ AddExplicitContribution() [1/2]

void Kratos::TrussElement3D2N::AddExplicitContribution	(	const VectorType &	rRHSVector,
		const Variable< VectorType > &	rRHSVariable,
		const Variable< array_1d< double, 3 > > &	rDestinationVariable,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

This function is designed to make the element to assemble an rRHS vector identified by a variable rRHSVariable by assembling it to the nodes on the variable (array_1d<double, 3>) version rDestinationVariable.

The "AddEXplicit" FUNCTIONS THE ONLY FUNCTIONS IN WHICH AN ELEMENT IS ALLOWED TO WRITE ON ITS NODES. The caller is expected to ensure thread safety hence SET/UNSETLOCK MUST BE PERFORMED IN THE STRATEGY BEFORE CALLING THIS FUNCTION

Parameters

rRHSVector	input variable containing the RHS vector to be assembled
rRHSVariable	variable describing the type of the RHS vector to be assembled
rDestinationVariable	variable in the database to which the rRHSVector will be assembled
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

◆ AddExplicitContribution() [2/2]

void Kratos::TrussElement3D2N::AddExplicitContribution	(	const VectorType &	rRHSVector,
		const Variable< VectorType > &	rRHSVariable,
		const Variable< double > &	rDestinationVariable,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

This function is designed to make the element to assemble an rRHS vector identified by a variable rRHSVariable by assembling it to the nodes on the variable rDestinationVariable (double version)

The "AddEXplicit" FUNCTIONS THE ONLY FUNCTIONS IN WHICH AN ELEMENT IS ALLOWED TO WRITE ON ITS NODES. The caller is expected to ensure thread safety hence SET/UNSETLOCK MUST BE PERFORMED IN THE STRATEGY BEFORE CALLING THIS FUNCTION

Parameters

rRHSVector	input variable containing the RHS vector to be assembled
rRHSVariable	variable describing the type of the RHS vector to be assembled
rDestinationVariable	variable in the database to which the rRHSVector will be assembled
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

◆ Calculate() [1/2]

void Kratos::TrussElement3D2N::Calculate	(	const Variable< double > &	rVariable,
		double &	Output,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

Calculate a Element variable usually associated to a integration point the Output is given on integration points and characterizes the element Calculate(..) methods are: OPTIONAL

Reimplemented from Kratos::Element.

◆ Calculate() [2/2]

void Kratos::TrussElement3D2N::Calculate	(	const Variable< Matrix > &	rVariable,
		Matrix &	rOutput,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

Reimplemented from Kratos::Element.

◆ CalculateBodyForces()

BoundedVector< double, TrussElement3D2N::msLocalSize > Kratos::TrussElement3D2N::CalculateBodyForces ( )

This function calculates self-weight forces.

◆ CalculateConsistentMassMatrix()

void Kratos::TrussElement3D2N::CalculateConsistentMassMatrix	(	MatrixType &	rMassMatrix,
		const ProcessInfo &	rCurrentProcessInfo
	)		const

◆ CalculateDampingMatrix()

void Kratos::TrussElement3D2N::CalculateDampingMatrix	(	MatrixType &	rDampingMatrix,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

this is called during the assembling process in order to calculate the elemental damping matrix

Parameters

rDampingMatrix	the elemental damping matrix
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

◆ CalculateElasticStiffnessMatrix()

void Kratos::TrussElement3D2N::CalculateElasticStiffnessMatrix	(	BoundedMatrix< double, msLocalSize, msLocalSize > &	rElasticStiffnessMatrix,
		const ProcessInfo &	rCurrentProcessInfo
	)

This function assembles the elastic stiffness part of the total stiffness matrix.

Parameters

rElasticStiffnessMatrix	The elastic stiffness matrix
rCurrentProcessInfo	The current process information

◆ CalculateGeometricStiffnessMatrix()

void Kratos::TrussElement3D2N::CalculateGeometricStiffnessMatrix	(	BoundedMatrix< double, msLocalSize, msLocalSize > &	rGeometricStiffnessMatrix,
		const ProcessInfo &	rCurrentProcessInfo
	)

This function assembles the geometric stiffness part of the total stiffness matrix.

Parameters

rGeometricStiffnessMatrix	The geometric stiffness matrix
rCurrentProcessInfo	The current process information

◆ CalculateGreenLagrangeStrain()

double Kratos::TrussElement3D2N::CalculateGreenLagrangeStrain ( ) const

This function calculates the current Green-Lagrange strain.

◆ CalculateLeftHandSide()

void Kratos::TrussElement3D2N::CalculateLeftHandSide	(	MatrixType &	rLeftHandSideMatrix,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

this is called during the assembling process in order to calculate the elemental left hand side matrix only

Parameters

rLeftHandSideMatrix	the elemental left hand side matrix
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

Reimplemented in Kratos::TrussElementLinear3D2N.

◆ CalculateLocalSystem()

void Kratos::TrussElement3D2N::CalculateLocalSystem	(	MatrixType &	rLeftHandSideMatrix,
		VectorType &	rRightHandSideVector,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

ELEMENTS inherited from this class have to implement next CalculateLocalSystem, CalculateLeftHandSide and CalculateRightHandSide methods they can be managed internally with a private method to do the same calculations only once: MANDATORY this is called during the assembling process in order to calculate all elemental contributions to the global system matrix and the right hand side

Parameters

rLeftHandSideMatrix	the elemental left hand side matrix
rRightHandSideVector	the elemental right hand side
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

◆ CalculateMassMatrix()

void Kratos::TrussElement3D2N::CalculateMassMatrix	(	MatrixType &	rMassMatrix,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

ELEMENTS inherited from this class must implement this methods if they need to add dynamic element contributions CalculateMassMatrix, CalculateDampingMatrix and CalculateLumpedMassVector methods are: OPTIONAL this is called during the assembling process in order to calculate the elemental mass matrix

Parameters

rMassMatrix	the elemental mass matrix
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

◆ CalculateOnIntegrationPoints() [1/3]

void Kratos::TrussElement3D2N::CalculateOnIntegrationPoints	(	const Variable< array_1d< double, 3 > > &	rVariable,
		std::vector< array_1d< double, 3 > > &	rOutput,
		const ProcessInfo &	rCurrentProcessInfo
	)

override

◆ CalculateOnIntegrationPoints() [2/3]

void Kratos::TrussElement3D2N::CalculateOnIntegrationPoints	(	const Variable< double > &	rVariable,
		std::vector< double > &	rOutput,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

Reimplemented from Kratos::Element.

◆ CalculateOnIntegrationPoints() [3/3]

void Kratos::TrussElement3D2N::CalculateOnIntegrationPoints	(	const Variable< Vector > &	rVariable,
		std::vector< Vector > &	rOutput,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

Reimplemented from Kratos::Element.

Reimplemented in Kratos::TrussElementLinear3D2N.

◆ CalculateRightHandSide()

void Kratos::TrussElement3D2N::CalculateRightHandSide	(	VectorType &	rRightHandSideVector,
		const ProcessInfo &	rCurrentProcessInfo
	)

overridevirtual

this is called during the assembling process in order to calculate the elemental right hand side vector only

Parameters

rRightHandSideVector	the elemental right hand side vector
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

Reimplemented in Kratos::TrussElementLinear3D2N.

◆ Check()

int Kratos::TrussElement3D2N::Check ( const ProcessInfo & rCurrentProcessInfo ) const

overridevirtual

This method provides the place to perform checks on the completeness of the input and the compatibility with the problem options as well as the contitutive laws selected It is designed to be called only once (or anyway, not often) typically at the beginning of the calculations, so to verify that nothing is missing from the input or that no common error is found.

Parameters

rCurrentProcessInfo this method is: MANDATORY

Reimplemented from Kratos::Element.

◆ Create() [1/2]

Element::Pointer Kratos::TrussElement3D2N::Create	(	IndexType	NewId,
		GeometryType::Pointer	pGeom,
		PropertiesType::Pointer	pProperties
	)		const

overridevirtual

Creates a new element.

Parameters

NewId	The Id of the new created element
pGeom	The pointer to the geometry of the element
pProperties	The pointer to property

Returns: The pointer to the created element

Reimplemented from Kratos::Element.

Reimplemented in Kratos::TrussElementLinear3D2N.

◆ Create() [2/2]

Element::Pointer Kratos::TrussElement3D2N::Create	(	IndexType	NewId,
		NodesArrayType const &	ThisNodes,
		PropertiesType::Pointer	pProperties
	)		const

overridevirtual

Creates a new element.

Parameters

NewId	The Id of the new created element
ThisNodes	The array containing nodes
pProperties	The pointer to property

Returns: The pointer to the created element

Reimplemented from Kratos::Element.

Reimplemented in Kratos::TrussElementLinear3D2N.

◆ CreateElementStiffnessMatrix()

BoundedMatrix< double, TrussElement3D2N::msLocalSize, TrussElement3D2N::msLocalSize > Kratos::TrussElement3D2N::CreateElementStiffnessMatrix ( const ProcessInfo & rCurrentProcessInfo )

virtual

This function calculates the total stiffness matrix for the element.

Reimplemented in Kratos::TrussElementLinear3D2N, and Kratos::CableElement3D2N.

◆ CreateTransformationMatrix()

void Kratos::TrussElement3D2N::CreateTransformationMatrix ( BoundedMatrix< double, msLocalSize, msLocalSize > & rRotationMatrix )

This function calculates the transformation matrix to globalize vectors and/or matrices.

Parameters

rRotationMatrix The transformation matrix

◆ EquationIdVector()

void Kratos::TrussElement3D2N::EquationIdVector	(	EquationIdVectorType &	rResult,
		const ProcessInfo &	rCurrentProcessInfo
	)		const

overridevirtual

ELEMENTS inherited from this class have to implement next EquationIdVector and GetDofList methods: MANDATORY this determines the elemental equation ID vector for all elemental DOFs

Parameters

rResult	the elemental equation ID vector
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

◆ FinalizeSolutionStep()

void Kratos::TrussElement3D2N::FinalizeSolutionStep ( const ProcessInfo & rCurrentProcessInfo )

overridevirtual

this is called at the end of each solution step

Reimplemented from Kratos::Element.

Reimplemented in Kratos::TrussElementLinear3D2N.

◆ GetDofList()

void Kratos::TrussElement3D2N::GetDofList	(	DofsVectorType &	rElementalDofList,
		const ProcessInfo &	rCurrentProcessInfo
	)		const

overridevirtual

determines the elemental list of DOFs

Parameters

ElementalDofList	the list of DOFs
rCurrentProcessInfo	the current process info instance

Reimplemented from Kratos::Element.

◆ GetFirstDerivativesVector()

void Kratos::TrussElement3D2N::GetFirstDerivativesVector	(	Vector &	values,
		int	Step = `0`
	)		const

overridevirtual

Getting method to obtain the time derivative of variable which defines the degrees of freedom

Reimplemented from Kratos::Element.

◆ GetSecondDerivativesVector()

void Kratos::TrussElement3D2N::GetSecondDerivativesVector	(	Vector &	values,
		int	Step = `0`
	)		const

overridevirtual

Getting method to obtain the second time derivative of variable which defines the degrees of freedom

Reimplemented from Kratos::Element.

◆ GetSpecifications()

const Parameters Kratos::TrussElement3D2N::GetSpecifications ( ) const

overridevirtual

This method provides the specifications/requirements of the element.

This can be used to enhance solvers and analysis. The following is an example: { "time_integration" : [], // NOTE: Options are static, implicit, explicit "framework" : "eulerian", // NOTE: Options are eulerian, lagrangian, ALE "symmetric_lhs" : true, // NOTE: Options are true/false "positive_definite_lhs" : false, // NOTE: Options are true/false "output" : { // NOTE: Values compatible as output "gauss_point" : ["INTEGRATION_WEIGTH"], "nodal_historical" : ["DISPLACEMENT"], "nodal_non_historical" : [], "entity" : [] }, "required_variables" : ["DISPLACEMENT"], // NOTE: Fill with the required variables "required_dofs" : ["DISPLACEMENT_X", "DISPLACEMENT_Y"], // NOTE: Fill with the required dofs "flags_used" : ["BOUNDARY", "ACTIVE"], // NOTE: Fill with the flags used "compatible_geometries" : ["Triangle2D3"], // NOTE: Compatible geometries. Options are "Point2D", "Point3D", "Sphere3D1", "Line2D2", "Line2D3", "Line3D2", "Line3D3", "Triangle2D3", "Triangle2D6", "Triangle3D3", "Triangle3D6", "Quadrilateral2D4", "Quadrilateral2D8", "Quadrilateral2D9", "Quadrilateral3D4", "Quadrilateral3D8", "Quadrilateral3D9", "Tetrahedra3D4" , "Tetrahedra3D10" , "Prism3D6" , "Prism3D15" , "Hexahedra3D8" , "Hexahedra3D20" , "Hexahedra3D27" "element_integrates_in_time" : true, // NOTE: Options are true/false "compatible_constitutive_laws": { "type" : ["PlaneStress","PlaneStrain"], // NOTE: List of CL compatible types. Options are "PlaneStress", "PlaneStrain", "3D" "dimension" : ["2D", "2D"], // NOTE: List of dimensions. Options are "2D", "3D", "2DAxysimm" "strain_size" : [3,3] // NOTE: List of strain sizes }, "documentation" : "This is an element" // NOTE: The documentation of the entity }

Returns: specifications The required specifications/requirements

Reimplemented from Kratos::Element.

◆ GetValuesVector()

void Kratos::TrussElement3D2N::GetValuesVector	(	Vector &	values,
		int	Step = `0`
	)		const

overridevirtual

ELEMENTS inherited from this class must implement this methods if they need the values of the time derivatives of any of the dof set by the element. If the derivatives do not exist can set to zero these methods are: MANDATORY ( when compatibility with dynamics is required ) Getting method to obtain the variable which defines the degrees of freedom

Reimplemented from Kratos::Element.

◆ HasSelfWeight()

bool Kratos::TrussElement3D2N::HasSelfWeight ( ) const

This function checks if self weight is present.

◆ Initialize()

void Kratos::TrussElement3D2N::Initialize ( const ProcessInfo & rCurrentProcessInfo )

overridevirtual

ELEMENTS inherited from this class must implement next methods Initialize, ResetConstitutiveLaw if the element needs to perform any operation before any calculation is done reset material and constitutive parameters or clean memory deleting obsolete variables these methods are: OPTIONAL is called to initialize the element if the element needs to perform any operation before any calculation is done the elemental variables will be initialized and set using this method

Reimplemented from Kratos::Element.

◆ KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION()

Kratos::TrussElement3D2N::KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION ( TrussElement3D2N )

◆ ReturnTangentModulus1D()

double Kratos::TrussElement3D2N::ReturnTangentModulus1D ( const ProcessInfo & rCurrentProcessInfo )

◆ UpdateInternalForces()

void Kratos::TrussElement3D2N::UpdateInternalForces	(	BoundedVector< double, msLocalSize > &	rInternalForces,
		const ProcessInfo &	rCurrentProcessInfo
	)

virtual

This function updates the internal normal force w.r.t. the current deformations.

Parameters

rinternalForces The current updated internal forces

Reimplemented in Kratos::TrussElementLinear3D2N, and Kratos::CableElement3D2N.

◆ WriteTransformationCoordinates()

void Kratos::TrussElement3D2N::WriteTransformationCoordinates ( BoundedVector< double, msLocalSize > & rReferenceCoordinates )

virtual

This function calculates the current nodal postion for the transformation matrix.

Parameters

rReferenceCoordinates The current coordinates

Reimplemented in Kratos::TrussElementLinear3D2N.

Friends And Related Function Documentation

◆ Serializer

friend class Serializer

friend

Member Data Documentation

◆ mpConstitutiveLaw

ConstitutiveLaw::Pointer Kratos::TrussElement3D2N::mpConstitutiveLaw = nullptr

protected

◆ msDimension

constexpr int Kratos::TrussElement3D2N::msDimension = 3

staticconstexprprotected

◆ msLocalSize

constexpr unsigned int Kratos::TrussElement3D2N::msLocalSize = msNumberOfNodes * msDimension

staticconstexprprotected

◆ msNumberOfNodes

constexpr int Kratos::TrussElement3D2N::msNumberOfNodes = 2

staticconstexprprotected

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

/home/runner/work/Documentation/Documentation/master/applications/StructuralMechanicsApplication/custom_elements/truss_element_3D2N.hpp
/home/runner/work/Documentation/Documentation/master/applications/StructuralMechanicsApplication/custom_elements/truss_element_3D2N.cpp

Public Types

Public Member Functions

Protected Attributes

Static Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ BaseType

◆ DofsVectorType

◆ EquationIdVectorType

◆ GeometryType

◆ IndexType

◆ MatrixType

◆ NodesArrayType

◆ PropertiesType

◆ SizeType

◆ VectorType

Constructor & Destructor Documentation

◆ TrussElement3D2N() [1/3]

◆ TrussElement3D2N() [2/3]

◆ TrussElement3D2N() [3/3]

◆ ~TrussElement3D2N()

Member Function Documentation

◆ AddExplicitContribution() [1/2]

◆ AddExplicitContribution() [2/2]

◆ Calculate() [1/2]

◆ Calculate() [2/2]

◆ CalculateBodyForces()

◆ CalculateConsistentMassMatrix()

◆ CalculateDampingMatrix()

◆ CalculateElasticStiffnessMatrix()

◆ CalculateGeometricStiffnessMatrix()

◆ CalculateGreenLagrangeStrain()

◆ CalculateLeftHandSide()

◆ CalculateLocalSystem()

◆ CalculateMassMatrix()

◆ CalculateOnIntegrationPoints() [1/3]

◆ CalculateOnIntegrationPoints() [2/3]

◆ CalculateOnIntegrationPoints() [3/3]

◆ CalculateRightHandSide()

◆ Check()

◆ Create() [1/2]

◆ Create() [2/2]

◆ CreateElementStiffnessMatrix()

◆ CreateTransformationMatrix()

◆ EquationIdVector()

◆ FinalizeSolutionStep()

◆ GetDofList()

◆ GetFirstDerivativesVector()

◆ GetSecondDerivativesVector()

◆ GetSpecifications()

◆ GetValuesVector()

◆ HasSelfWeight()

◆ Initialize()

◆ KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION()

◆ ReturnTangentModulus1D()

◆ UpdateInternalForces()

◆ WriteTransformationCoordinates()

Friends And Related Function Documentation

◆ Serializer

Member Data Documentation

◆ mpConstitutiveLaw

◆ msDimension

◆ msLocalSize

◆ msNumberOfNodes