This is the base ArcLengthStrategy. More...

#include <arc_length_strategy.h>

Inheritance diagram for Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >:

Collaboration diagram for Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >:

Public Member Functions
Input and output
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...

Public Member Functions inherited from Kratos::ResidualBasedNewtonRaphsonStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
TSystemMatrixType &	GetSystemMatrix () override
	This method returns the LHS matrix. More...

TSystemVectorType &	GetSystemVector () override
	This method returns the RHS vector. More...

TSystemVectorType &	GetSolutionVector () override
	This method returns the solution vector. More...

void	SetKeepSystemConstantDuringIterations (bool Value)
	Set method for the flag mKeepSystemConstantDuringIterations. More...

bool	GetKeepSystemConstantDuringIterations ()
	Get method for the flag mKeepSystemConstantDuringIterations. 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_POINTER_DEFINITION (ResidualBasedNewtonRaphsonStrategy)

	ResidualBasedNewtonRaphsonStrategy ()
	Default constructor. More...

	ResidualBasedNewtonRaphsonStrategy (ModelPart &rModelPart)
	Default constructor. (with parameters) More...

	ResidualBasedNewtonRaphsonStrategy (ModelPart &rModelPart, Parameters ThisParameters)
	Default constructor. (with parameters) More...

	ResidualBasedNewtonRaphsonStrategy (ModelPart &rModelPart, typename TSchemeType::Pointer pScheme, typename TLinearSolver::Pointer pNewLinearSolver, typename TConvergenceCriteriaType::Pointer pNewConvergenceCriteria, int MaxIterations=30, bool CalculateReactions=false, bool ReformDofSetAtEachStep=false, bool MoveMeshFlag=false)

	ResidualBasedNewtonRaphsonStrategy (ModelPart &rModelPart, typename TSchemeType::Pointer pScheme, typename TConvergenceCriteriaType::Pointer pNewConvergenceCriteria, typename TBuilderAndSolverType::Pointer pNewBuilderAndSolver, int MaxIterations=30, bool CalculateReactions=false, bool ReformDofSetAtEachStep=false, bool MoveMeshFlag=false)
	Constructor specifying the builder and solver. More...

	ResidualBasedNewtonRaphsonStrategy (ModelPart &rModelPart, typename TSchemeType::Pointer pScheme, typename TLinearSolver::Pointer pNewLinearSolver, typename TConvergenceCriteriaType::Pointer pNewConvergenceCriteria, typename TBuilderAndSolverType::Pointer pNewBuilderAndSolver, int MaxIterations=30, bool CalculateReactions=false, bool ReformDofSetAtEachStep=false, bool MoveMeshFlag=false)
	Constructor specifying the builder and solver. More...

	ResidualBasedNewtonRaphsonStrategy (ModelPart &rModelPart, typename TSchemeType::Pointer pScheme, typename TLinearSolver::Pointer pNewLinearSolver, typename TConvergenceCriteriaType::Pointer pNewConvergenceCriteria, Parameters Settings)

	ResidualBasedNewtonRaphsonStrategy (ModelPart &rModelPart, typename TSchemeType::Pointer pScheme, typename TConvergenceCriteriaType::Pointer pNewConvergenceCriteria, typename TBuilderAndSolverType::Pointer pNewBuilderAndSolver, Parameters Settings)
	Constructor specifying the builder and solver and using Parameters. More...

	ResidualBasedNewtonRaphsonStrategy (ModelPart &rModelPart, typename TSchemeType::Pointer pScheme, typename TLinearSolver::Pointer pNewLinearSolver, typename TConvergenceCriteriaType::Pointer pNewConvergenceCriteria, typename TBuilderAndSolverType::Pointer pNewBuilderAndSolver, Parameters Settings)
	Constructor specifying the builder and solver and using Parameters. More...

	~ResidualBasedNewtonRaphsonStrategy () override
	Destructor. More...

void	SetScheme (typename TSchemeType::Pointer pScheme)
	Set method for the time scheme. More...

TSchemeType::Pointer	GetScheme ()
	Get method for the time scheme. More...

void	SetBuilderAndSolver (typename TBuilderAndSolverType::Pointer pNewBuilderAndSolver)
	Set method for the builder and solver. More...

TBuilderAndSolverType::Pointer	GetBuilderAndSolver ()
	Get method for the builder and solver. More...

void	SetInitializePerformedFlag (bool InitializePerformedFlag=true)
	This method sets the flag mInitializeWasPerformed. More...

bool	GetInitializePerformedFlag ()
	This method gets the flag mInitializeWasPerformed. More...

void	SetCalculateReactionsFlag (bool CalculateReactionsFlag)
	This method sets the flag mCalculateReactionsFlag. More...

bool	GetCalculateReactionsFlag ()
	This method returns the flag mCalculateReactionsFlag. More...

void	SetUseOldStiffnessInFirstIterationFlag (bool UseOldStiffnessInFirstIterationFlag)
	This method sets the flag mFullUpdateFlag. More...

bool	GetUseOldStiffnessInFirstIterationFlag ()
	This method returns the flag mFullUpdateFlag. More...

void	SetReformDofSetAtEachStepFlag (bool Flag)
	This method sets the flag mReformDofSetAtEachStep. More...

bool	GetReformDofSetAtEachStepFlag ()
	This method returns the flag mReformDofSetAtEachStep. More...

void	SetMaxIterationNumber (unsigned int MaxIterationNumber)
	This method sets the flag mMaxIterationNumber. More...

unsigned int	GetMaxIterationNumber ()
	This method gets the flag mMaxIterationNumber. More...

void	SetEchoLevel (int Level) override
	It sets the level of echo for the solving strategy. More...

SolvingStrategyType::Pointer	Create (ModelPart &rModelPart, Parameters ThisParameters) const override
	Create method. More...

void	Predict () override
	Operation to predict the solution ... if it is not called a trivial predictor is used in which the values of the solution step of interest are assumed equal to the old values. More...

void	Initialize () override
	Initialization of member variables and prior operations. More...

void	Clear () override
	Clears the internal storage. More...

bool	IsConverged () override
	This should be considered as a "post solution" convergence check which is useful for coupled analysis - the convergence criteria used is the one used inside the "solve" step. More...

void	CalculateOutputData () override
	This operations should be called before printing the results when non trivial results (e.g. stresses) Need to be calculated given the solution of the step. More...

void	InitializeSolutionStep () override
	Performs all the required operations that should be done (for each step) before solving the solution step. More...

void	FinalizeSolutionStep () override
	Performs all the required operations that should be done (for each step) after solving the solution step. More...

bool	SolveSolutionStep () override
	Solves the current step. This function returns true if a solution has been found, false otherwise. More...

int	Check () override
	Function to perform expensive checks. More...

Parameters	GetDefaultParameters () const override
	This method provides the defaults parameters to avoid conflicts between the different constructors. More...

Public Member Functions inherited from Kratos::ImplicitSolvingStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
	ImplicitSolvingStrategy ()
	Default constructor. More...

	ImplicitSolvingStrategy (ModelPart &rModelPart, Parameters ThisParameters)
	Default constructor. (with parameters) More...

	ImplicitSolvingStrategy (ModelPart &rModelPart, bool MoveMeshFlag=false)
	Default constructor. More...

virtual	~ImplicitSolvingStrategy ()

void	SetRebuildLevel (int Level) override
	This sets the build level. More...

int	GetRebuildLevel () const override
	This returns the build level. More...

void	SetStiffnessMatrixIsBuilt (const bool StiffnessMatrixIsBuilt)
	This method sets the flag mStiffnessMatrixIsBuilt. More...

bool	GetStiffnessMatrixIsBuilt () const
	This method gets the flag mStiffnessMatrixIsBuilt. More...

	KRATOS_CLASS_POINTER_DEFINITION (ImplicitSolvingStrategy)

Public Member Functions inherited from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >
	SolvingStrategy ()
	Default constructor. More...

	SolvingStrategy (ModelPart &rModelPart, Parameters ThisParameters)
	Default constructor. (with parameters) More...

	SolvingStrategy (ModelPart &rModelPart, bool MoveMeshFlag=false)
	Default constructor. More...

virtual	~SolvingStrategy ()

	KRATOS_CLASS_POINTER_DEFINITION (SolvingStrategy)

virtual double	Solve ()
	The problem of interest is solved. More...

int	GetEchoLevel ()
	This returns the level of echo for the solving strategy. More...

void	SetMoveMeshFlag (bool Flag)
	This function sets the flag that says if the mesh is moved. More...

bool	MoveMeshFlag ()
	This function returns the flag that says if the mesh is moved. More...

bool	GetMoveMeshFlag ()
	This function returns the flag that says if the mesh is moved. More...

virtual void	MoveMesh ()
	This function is designed to move the mesh. More...

ModelPart &	GetModelPart ()
	Operations to get the pointer to the model. More...

const ModelPart &	GetModelPart () const
	Operations to get the pointer to the model. More...

virtual double	GetResidualNorm ()
	Operations to get the residual norm. More...

Protected Member Functions
Private Operators
void	UpdateDatabase (TSystemMatrixType &rA, TSystemVectorType &rDx, TSystemVectorType &rb, const bool MoveMesh) override
	Here the database is updated. More...

void	MaxIterationsExceeded () override
	This method prints information after reach the max number of iterations. More...

Un accessible methods
	ArcLengthStrategy (const ArcLengthStrategy &Other)

Protected Member Functions inherited from Kratos::ResidualBasedNewtonRaphsonStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
virtual void	UpdateDatabase (TSystemMatrixType &rA, TSystemVectorType &rDx, TSystemVectorType &rb, const bool MoveMesh)
	Here the database is updated. More...

virtual void	EchoInfo (const unsigned int IterationNumber)
	This method returns the components of the system of equations depending of the echo level. More...

void	AssignSettings (const Parameters ThisParameters) override
	This method assigns settings to member variables. More...

void	WriteDofInfo (std::string FileName, const TSystemVectorType &rDX)

	ResidualBasedNewtonRaphsonStrategy (const ResidualBasedNewtonRaphsonStrategy &Other)

Protected Operations
Protected Member Functions inherited from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >
virtual Parameters	ValidateAndAssignParameters (Parameters ThisParameters, const Parameters DefaultParameters) const
	This method validate and assign default parameters. More...

Protected Attributes
Member Variables
TSystemVectorPointerType	mpf

TSystemVectorPointerType	mpDxf
	Vector of reference external forces. More...

TSystemVectorPointerType	mpDxb
	Delta x of A*Dxf=f. More...

TSystemVectorPointerType	mpDxPred
	Delta x of A*Dxb=b. More...

TSystemVectorPointerType	mpDxStep
	Delta x of prediction phase. More...

unsigned int	mDesiredIterations
	Delta x of the current step. More...

bool	mInitializeArcLengthWasPerformed
	This is used to calculate the radius of the next step. More...

bool	mInsideIterationLoop

double	mMaxRadiusFactor

double	mMinRadiusFactor

double	mRadius
	Used to limit the radius of the arc length strategy. More...

double	mRadius_0

double	mLambda
	Radius of the arc length strategy. More...

double	mLambda_old

double	mNormxEquilibrium
	current and old loading factor More...

double	mDLambdaStep
	Norm of the solution vector in equilibrium. More...

std::vector< ModelPart * >	mSubModelPartList
	Delta lambda of the current step. More...

std::vector< std::string >	mVariableNames
	List of SubModelParts associated to an external load. More...

Protected Attributes inherited from Kratos::ResidualBasedNewtonRaphsonStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
TSchemeType::Pointer	mpScheme = nullptr

TBuilderAndSolverType::Pointer	mpBuilderAndSolver = nullptr
	The pointer to the time scheme employed. More...

TConvergenceCriteriaType::Pointer	mpConvergenceCriteria = nullptr
	The pointer to the builder and solver employed. More...

TSystemVectorPointerType	mpDx
	The pointer to the convergence criteria employed. More...

TSystemVectorPointerType	mpb
	The increment in the solution. More...

TSystemMatrixPointerType	mpA
	The RHS vector of the system of equations. More...

bool	mReformDofSetAtEachStep
	The LHS matrix of the system of equations. More...

bool	mCalculateReactionsFlag
	Flag telling if it is needed or not to compute the reactions. More...

bool	mUseOldStiffnessInFirstIteration = false
	Flag telling if a full update of the database will be performed at the first iteration. More...

unsigned int	mMaxIterationNumber

bool	mInitializeWasPerformed
	The maximum number of iterations, 30 by default. More...

bool	mKeepSystemConstantDuringIterations
	Flag to set as initialized the strategy. More...

Protected Attributes inherited from Kratos::ImplicitSolvingStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
int	mRebuildLevel

bool	mStiffnessMatrixIsBuilt
	The current rebuild level. More...

Protected Attributes inherited from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >
int	mEchoLevel

Type Definitions
typedef ResidualBasedNewtonRaphsonStrategy< TSparseSpace, TDenseSpace, TLinearSolver >	BaseType

typedef BaseType::TBuilderAndSolverType	TBuilderAndSolverType

typedef BaseType::TDataType	TDataType

typedef TSparseSpace	SparseSpaceType

typedef BaseType::TSchemeType	TSchemeType

typedef BaseType::TConvergenceCriteriaType	TConvergenceCriteriaType

typedef BaseType::DofsArrayType	DofsArrayType

typedef BaseType::TSystemMatrixType	TSystemMatrixType

typedef BaseType::TSystemVectorType	TSystemVectorType

typedef BaseType::LocalSystemVectorType	LocalSystemVectorType

typedef BaseType::LocalSystemMatrixType	LocalSystemMatrixType

typedef BaseType::TSystemMatrixPointerType	TSystemMatrixPointerType

typedef BaseType::TSystemVectorPointerType	TSystemVectorPointerType

	KRATOS_CLASS_POINTER_DEFINITION (ArcLengthStrategy)

Life Cycle
	ArcLengthStrategy (ModelPart &model_part, typename TSchemeType::Pointer pScheme, typename TConvergenceCriteriaType::Pointer pNewConvergenceCriteria, typename TBuilderAndSolverType::Pointer pNewBuilderAndSolver, Parameters ThisParameters)

	~ArcLengthStrategy () override=default
	Destructor. More...

void	AssignSettings (const Parameters ThisParameters) override
	This method assigns settings to member variables. More...

void	Initialize () override
	Initialization of member variables and prior operations. More...

void	Clear () override
	Clears the internal storage. More...

void	InitializeSolutionStep () override
	Performs all the required operations that should be done (for each step) before solving the solution step. More...

void	FinalizeSolutionStep () override
	Performs all the required operations that should be done (for each step) after solving the solution step. More...

bool	SolveSolutionStep () override
	Solves the current step. This function returns true if a solution has been found, false otherwise. More...

void	UpdateExternalLoads ()
	This method updates the value of the external load according to the new load factor Lambda. More...

Parameters	GetDefaultParameters () const override
	This method provides the defaults parameters to avoid conflicts between the different constructors. More...

void	InitializeSystemVector (TSystemVectorPointerType &pv)
	It resizes and initializes a system vector. More...

void	SaveInitializeSystemVector (TSystemVectorPointerType &pv)
	It saves system vector pointer. More...

static std::string	Name ()
	Returns the name of the class as used in the settings (snake_case format) More...

Additional Inherited Members
Public Types inherited from Kratos::ResidualBasedNewtonRaphsonStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
typedef ConvergenceCriteria< TSparseSpace, TDenseSpace >	TConvergenceCriteriaType

typedef SolvingStrategy< TSparseSpace, TDenseSpace >	SolvingStrategyType

typedef ImplicitSolvingStrategy< TSparseSpace, TDenseSpace, TLinearSolver >	BaseType

typedef ResidualBasedNewtonRaphsonStrategy< TSparseSpace, TDenseSpace, TLinearSolver >	ClassType

typedef BaseType::TBuilderAndSolverType	TBuilderAndSolverType

typedef BaseType::TDataType	TDataType

typedef TSparseSpace	SparseSpaceType

typedef BaseType::TSchemeType	TSchemeType

typedef BaseType::DofsArrayType	DofsArrayType

typedef BaseType::TSystemMatrixType	TSystemMatrixType

typedef BaseType::TSystemVectorType	TSystemVectorType

typedef BaseType::LocalSystemVectorType	LocalSystemVectorType

typedef BaseType::LocalSystemMatrixType	LocalSystemMatrixType

typedef BaseType::TSystemMatrixPointerType	TSystemMatrixPointerType

typedef BaseType::TSystemVectorPointerType	TSystemVectorPointerType

Public Types inherited from Kratos::ImplicitSolvingStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
typedef SolvingStrategy< TSparseSpace, TDenseSpace >	BaseType

typedef BaseType::TDataType	TDataType

typedef BaseType::TSystemMatrixType	TSystemMatrixType

typedef BaseType::TSystemVectorType	TSystemVectorType

typedef BaseType::TSystemMatrixPointerType	TSystemMatrixPointerType

typedef BaseType::TSystemVectorPointerType	TSystemVectorPointerType

typedef BaseType::LocalSystemMatrixType	LocalSystemMatrixType

typedef BaseType::LocalSystemVectorType	LocalSystemVectorType

typedef Scheme< TSparseSpace, TDenseSpace >	TSchemeType

typedef BuilderAndSolver< TSparseSpace, TDenseSpace, TLinearSolver >	TBuilderAndSolverType

typedef ImplicitSolvingStrategy< TSparseSpace, TDenseSpace, TLinearSolver >	ClassType

typedef BaseType::TDofType	TDofType

typedef BaseType::DofsArrayType	DofsArrayType

typedef BaseType::NodesArrayType	NodesArrayType

typedef BaseType::ElementsArrayType	ElementsArrayType

typedef BaseType::ConditionsArrayType	ConditionsArrayType

Public Types inherited from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >
typedef TSparseSpace::DataType	TDataType

typedef TSparseSpace::MatrixType	TSystemMatrixType

typedef TSparseSpace::VectorType	TSystemVectorType

typedef TSparseSpace::MatrixPointerType	TSystemMatrixPointerType

typedef TSparseSpace::VectorPointerType	TSystemVectorPointerType

typedef TDenseSpace::MatrixType	LocalSystemMatrixType

typedef TDenseSpace::VectorType	LocalSystemVectorType

typedef SolvingStrategy< TSparseSpace, TDenseSpace >	ClassType

typedef ModelPart::DofType	TDofType

typedef ModelPart::DofsArrayType	DofsArrayType

typedef ModelPart::NodesContainerType	NodesArrayType

typedef ModelPart::ElementsContainerType	ElementsArrayType

typedef ModelPart::ConditionsContainerType	ConditionsArrayType

Static Public Member Functions inherited from Kratos::ResidualBasedNewtonRaphsonStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
static std::string	Name ()
	Returns the name of the class as used in the settings (snake_case format) More...

Static Public Member Functions inherited from Kratos::ImplicitSolvingStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
static std::string	Name ()
	Returns the name of the class as used in the settings (snake_case format) More...

Static Public Member Functions inherited from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >
static std::string	Name ()
	Returns the name of the class as used in the settings (snake_case format) More...

Detailed Description

template<class TSparseSpace, class TDenseSpace, class TLinearSolver>
class Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >

This is the base ArcLengthStrategy.

The theoretical details can be found in "Geometrical interpretation of the ARC-LENGTH method", M. Fafard and B. Massicotte, Computers and Structures Vol 46 pp 603-615 (1993). (Ramm arc-length method)

Author: Alejandro Cornejo and Ignasi de Pouplana

Member Typedef Documentation

◆ BaseType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef ResidualBasedNewtonRaphsonStrategy<TSparseSpace, TDenseSpace, TLinearSolver> Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::BaseType

◆ DofsArrayType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::DofsArrayType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::DofsArrayType

◆ LocalSystemMatrixType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::LocalSystemMatrixType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::LocalSystemMatrixType

◆ LocalSystemVectorType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::LocalSystemVectorType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::LocalSystemVectorType

◆ SparseSpaceType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef TSparseSpace Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::SparseSpaceType

◆ TBuilderAndSolverType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::TBuilderAndSolverType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TBuilderAndSolverType

◆ TConvergenceCriteriaType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::TConvergenceCriteriaType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TConvergenceCriteriaType

◆ TDataType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::TDataType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TDataType

◆ TSchemeType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::TSchemeType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSchemeType

◆ TSystemMatrixPointerType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::TSystemMatrixPointerType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSystemMatrixPointerType

◆ TSystemMatrixType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::TSystemMatrixType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSystemMatrixType

◆ TSystemVectorPointerType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::TSystemVectorPointerType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSystemVectorPointerType

◆ TSystemVectorType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

typedef BaseType::TSystemVectorType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSystemVectorType

Constructor & Destructor Documentation

◆ ArcLengthStrategy() [1/2]

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::ArcLengthStrategy	(	ModelPart &	model_part,
		typename TSchemeType::Pointer	pScheme,
		typename TConvergenceCriteriaType::Pointer	pNewConvergenceCriteria,
		typename TBuilderAndSolverType::Pointer	pNewBuilderAndSolver,
		Parameters	ThisParameters
	)

inline

◆ ~ArcLengthStrategy()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::~ArcLengthStrategy ( )

overridedefault

Destructor.

In trilinos third party library, the linear solver's preconditioner should be freed before the system matrix. We control the deallocation order with Clear().

◆ ArcLengthStrategy() [2/2]

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::ArcLengthStrategy ( const ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver > & Other )

inlineprotected

Copy constructor.

Member Function Documentation

◆ AssignSettings()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::AssignSettings ( const Parameters ThisParameters )

inlineoverridevirtual

This method assigns settings to member variables.

Parameters

ThisParameters Parameters that are assigned to the member variables

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ Clear()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::Clear ( )

inlineoverridevirtual

Clears the internal storage.

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ FinalizeSolutionStep()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::FinalizeSolutionStep ( )

inlineoverridevirtual

Performs all the required operations that should be done (for each step) after solving the solution step.

A member variable should be used as a flag to make sure this function is called only once per step.

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ GetDefaultParameters()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

Parameters Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::GetDefaultParameters ( ) const

inlineoverridevirtual

This method provides the defaults parameters to avoid conflicts between the different constructors.

Returns: The default parameters

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ Info()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

std::string Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::Info ( ) const

inlineoverridevirtual

Turn back information as a string.

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ Initialize()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::Initialize ( )

inlineoverridevirtual

Initialization of member variables and prior operations.

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ InitializeSolutionStep()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::InitializeSolutionStep ( )

inlineoverridevirtual

Performs all the required operations that should be done (for each step) before solving the solution step.

A member variable should be used as a flag to make sure this function is called only once per step.

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ InitializeSystemVector()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::InitializeSystemVector ( TSystemVectorPointerType & pv )

inline

It resizes and initializes a system vector.

◆ KRATOS_CLASS_POINTER_DEFINITION()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::KRATOS_CLASS_POINTER_DEFINITION ( ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver > )

◆ MaxIterationsExceeded()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::MaxIterationsExceeded ( )

inlineoverrideprotectedvirtual

This method prints information after reach the max number of iterations.

Reimplemented from Kratos::ResidualBasedNewtonRaphsonStrategy< TSparseSpace, TDenseSpace, TLinearSolver >.

◆ Name()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

static std::string Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::Name ( )

inlinestatic

Returns the name of the class as used in the settings (snake_case format)

Returns: The name of the class

◆ PrintData()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::PrintData ( std::ostream & rOStream ) const

inlineoverridevirtual

Print object's data.

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ PrintInfo()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::PrintInfo ( std::ostream & rOStream ) const

inlineoverridevirtual

Print information about this object.

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ SaveInitializeSystemVector()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::SaveInitializeSystemVector ( TSystemVectorPointerType & pv )

inline

It saves system vector pointer.

◆ SolveSolutionStep()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

bool Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::SolveSolutionStep ( )

inlineoverridevirtual

Solves the current step. This function returns true if a solution has been found, false otherwise.

Reimplemented from Kratos::SolvingStrategy< TSparseSpace, TDenseSpace >.

◆ UpdateDatabase()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::UpdateDatabase	(	TSystemMatrixType &	rA,
		TSystemVectorType &	rDx,
		TSystemVectorType &	rb,
		const bool	MoveMesh
	)

inlineoverrideprotected

Here the database is updated.

Parameters

A	The LHS matrix of the system of equations
Dx	The incremement in the solution
b	The RHS vector of the system of equations
MoveMesh	The flag that allows to move the mesh

◆ UpdateExternalLoads()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

void Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::UpdateExternalLoads ( )

inline

This method updates the value of the external load according to the new load factor Lambda.

Member Data Documentation

◆ mDesiredIterations

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

unsigned int Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mDesiredIterations

protected

Delta x of the current step.

◆ mDLambdaStep

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

double Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mDLambdaStep

protected

Norm of the solution vector in equilibrium.

◆ mInitializeArcLengthWasPerformed

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

bool Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mInitializeArcLengthWasPerformed

protected

This is used to calculate the radius of the next step.

◆ mInsideIterationLoop

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

bool Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mInsideIterationLoop

protected

◆ mLambda

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

double Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mLambda

protected

Radius of the arc length strategy.

◆ mLambda_old

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

double Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mLambda_old

protected

◆ mMaxRadiusFactor

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

double Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mMaxRadiusFactor

protected

◆ mMinRadiusFactor

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

double Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mMinRadiusFactor

protected

◆ mNormxEquilibrium

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

double Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mNormxEquilibrium

protected

current and old loading factor

◆ mpDxb

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

TSystemVectorPointerType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mpDxb

protected

Delta x of A*Dxf=f.

◆ mpDxf

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

TSystemVectorPointerType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mpDxf

protected

Vector of reference external forces.

◆ mpDxPred

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

TSystemVectorPointerType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mpDxPred

protected

Delta x of A*Dxb=b.

◆ mpDxStep

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

TSystemVectorPointerType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mpDxStep

protected

Delta x of prediction phase.

◆ mpf

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

TSystemVectorPointerType Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mpf

protected

◆ mRadius

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

double Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mRadius

protected

Used to limit the radius of the arc length strategy.

◆ mRadius_0

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

double Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mRadius_0

protected

◆ mSubModelPartList

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

std::vector<ModelPart*> Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mSubModelPartList

protected

Delta lambda of the current step.

◆ mVariableNames

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >

std::vector<std::string> Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mVariableNames

protected

List of SubModelParts associated to an external load.

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

/home/runner/work/Documentation/Documentation/master/kratos/solving_strategies/strategies/arc_length_strategy.h

Public Member Functions

Protected Member Functions

Protected Attributes

Type Definitions

Life Cycle

Additional Inherited Members

Detailed Description

template<class TSparseSpace, class TDenseSpace, class TLinearSolver> class Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >

Member Typedef Documentation

◆ BaseType

◆ DofsArrayType

◆ LocalSystemMatrixType

◆ LocalSystemVectorType

◆ SparseSpaceType

◆ TBuilderAndSolverType

◆ TConvergenceCriteriaType

◆ TDataType

◆ TSchemeType

◆ TSystemMatrixPointerType

◆ TSystemMatrixType

◆ TSystemVectorPointerType

◆ TSystemVectorType

Constructor & Destructor Documentation

◆ ArcLengthStrategy() [1/2]

◆ ~ArcLengthStrategy()

◆ ArcLengthStrategy() [2/2]

Member Function Documentation

◆ AssignSettings()

◆ Clear()

◆ FinalizeSolutionStep()

◆ GetDefaultParameters()

◆ Info()

◆ Initialize()

◆ InitializeSolutionStep()

◆ InitializeSystemVector()

◆ KRATOS_CLASS_POINTER_DEFINITION()

◆ MaxIterationsExceeded()

◆ Name()

◆ PrintData()

◆ PrintInfo()

◆ SaveInitializeSystemVector()

◆ SolveSolutionStep()

◆ UpdateDatabase()

◆ UpdateExternalLoads()

Member Data Documentation

◆ mDesiredIterations

◆ mDLambdaStep

◆ mInitializeArcLengthWasPerformed

◆ mInsideIterationLoop

◆ mLambda

◆ mLambda_old

◆ mMaxRadiusFactor

◆ mMinRadiusFactor

◆ mNormxEquilibrium

◆ mpDxb

◆ mpDxf

◆ mpDxPred

◆ mpDxStep

◆ mpf

◆ mRadius

◆ mRadius_0

◆ mSubModelPartList

◆ mVariableNames

template<class TSparseSpace, class TDenseSpace, class TLinearSolver>
class Kratos::ArcLengthStrategy< TSparseSpace, TDenseSpace, TLinearSolver >