KratosMultiphysics
KRATOS Multiphysics (Kratos) is a framework for building parallel, multi-disciplinary simulation software, aiming at modularity, extensibility, and high performance. Kratos is written in C++, and counts with an extensive Python interface.
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Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver > Class Template Reference

This strategy is used for the explicit time integration. More...

#include <mechanical_explicit_strategy.hpp>

Inheritance diagram for Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >:
Collaboration diagram for Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >:

Public Member Functions

Life Cycle
 MechanicalExplicitStrategy (ModelPart &rModelPart, typename TSchemeType::Pointer pScheme, bool CalculateReactions=false, bool ReformDofSetAtEachStep=false, bool MoveMeshFlag=true)
 Default constructor. More...
 
virtual ~MechanicalExplicitStrategy ()
 
Operations
void SetScheme (typename TSchemeType::Pointer pScheme)
 Set method for the time scheme. More...
 
TSchemeType::Pointer GetScheme ()
 Get method for the time scheme. 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 SetReformDofSetAtEachStepFlag (bool Flag)
 This method sets the flag mReformDofSetAtEachStep. More...
 
bool GetReformDofSetAtEachStepFlag ()
 This method returns the flag mReformDofSetAtEachStep. More...
 
void Initialize () override
 Initialization of member variables and prior operations. More...
 
void InitializeSolutionStep () override
 Performs all the required operations that should be done (for each step) before 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 FinalizeSolutionStep () override
 Performs all the required operations that should be done (for each step) after solving the solution step. More...
 
void Clear () override
 Clears the internal storage. More...
 
int Check () override
 This function is designed to be called once to perform all the checks needed on the input provided. 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 ()
 
BaseType::Pointer Create (ModelPart &rModelPart, Parameters ThisParameters) const override
 Create method. More...
 
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...
 
std::string Info () const override
 Turn back information as a string. More...
 
 KRATOS_CLASS_POINTER_DEFINITION (ImplicitSolvingStrategy)
 
Parameters GetDefaultParameters () const override
 This method provides the defaults parameters to avoid conflicts between the different constructors. More...
 
- 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 ()
 
virtual void PrintInfo (std::ostream &rOStream) const
 Print information about this object. More...
 
virtual void PrintData (std::ostream &rOStream) const
 Print object's data. More...
 
 KRATOS_CLASS_POINTER_DEFINITION (SolvingStrategy)
 
virtual void Predict ()
 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...
 
virtual double Solve ()
 The problem of interest is solved. More...
 
virtual bool IsConverged ()
 This should be considered as a "post solution" convergence check which is useful for coupled analysis. More...
 
virtual void CalculateOutputData ()
 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...
 
virtual void SetEchoLevel (const int Level)
 This sets the level of echo for the solving strategy. 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...
 
ModelPartGetModelPart ()
 Operations to get the pointer to the model. More...
 
const ModelPartGetModelPart () const
 Operations to get the pointer to the model. More...
 
virtual double GetResidualNorm ()
 Operations to get the residual norm. More...
 
virtual TSystemMatrixTypeGetSystemMatrix ()
 This method returns the LHS matrix. More...
 
virtual TSystemVectorTypeGetSystemVector ()
 This method returns the RHS vector. More...
 
virtual TSystemVectorTypeGetSolutionVector ()
 This method returns the solution vector. More...
 

Protected Member Functions

Protected LifeCycle
 MechanicalExplicitStrategy (const MechanicalExplicitStrategy &Other)
 
- Protected Member Functions inherited from Kratos::ImplicitSolvingStrategy< TSparseSpace, TDenseSpace, TLinearSolver >
void AssignSettings (const Parameters ThisParameters) override
 This method assigns settings to member variables. More...
 
- 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

Protected member Variables
TSchemeType::Pointer mpScheme
 
bool mReformDofSetAtEachStep = false
 The pointer to the integration scheme. More...
 
bool mCalculateReactionsFlag = true
 Flag telling if it is needed or not to compute the reactions. More...
 
bool mInitializeWasPerformed = false
 Flag telling if the initialize was performed. 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 ImplicitSolvingStrategy< TSparseSpace, TDenseSpace, TLinearSolver > BaseType
 
typedef BaseType::TSchemeType TSchemeType
 Some definitions from the base class. More...
 
typedef BaseType::DofsArrayType DofsArrayType
 
typedef BaseType::TSystemMatrixType TSystemMatrixType
 
typedef BaseType::TSystemVectorType TSystemVectorType
 
typedef BaseType::TSystemMatrixPointerType TSystemMatrixPointerType
 
typedef BaseType::TSystemVectorPointerType TSystemVectorPointerType
 
typedef BaseType::NodesArrayType NodesArrayType
 
typedef BaseType::ElementsArrayType ElementsArrayType
 
typedef BaseType::ConditionsArrayType ConditionsArrayType
 
typedef BaseType::LocalSystemVectorType LocalSystemVectorType
 
typedef Node::DofType DofType
 DoF types definition. More...
 
typedef DofType::Pointer DofPointerType
 
 KRATOS_CLASS_POINTER_DEFINITION (MechanicalExplicitStrategy)
 Counted pointer of MechanicalExplicitStrategy. More...
 

Additional Inherited Members

- 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::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::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >

This strategy is used for the explicit time integration.

Author
Klauss B Sautter (based on the work of JMCarbonel)

Member Typedef Documentation

◆ BaseType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef ImplicitSolvingStrategy<TSparseSpace, TDenseSpace, TLinearSolver> Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::BaseType

◆ ConditionsArrayType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::ConditionsArrayType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::ConditionsArrayType

◆ DofPointerType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef DofType::Pointer Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::DofPointerType

◆ DofsArrayType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::DofsArrayType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::DofsArrayType

◆ DofType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef Node::DofType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::DofType

DoF types definition.

◆ ElementsArrayType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::ElementsArrayType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::ElementsArrayType

◆ LocalSystemVectorType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::LocalSystemVectorType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::LocalSystemVectorType

◆ NodesArrayType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::NodesArrayType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::NodesArrayType

◆ TSchemeType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::TSchemeType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSchemeType

Some definitions from the base class.

◆ TSystemMatrixPointerType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::TSystemMatrixPointerType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSystemMatrixPointerType

◆ TSystemMatrixType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::TSystemMatrixType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSystemMatrixType

◆ TSystemVectorPointerType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::TSystemVectorPointerType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSystemVectorPointerType

◆ TSystemVectorType

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
typedef BaseType::TSystemVectorType Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::TSystemVectorType

Constructor & Destructor Documentation

◆ MechanicalExplicitStrategy() [1/2]

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::MechanicalExplicitStrategy ( ModelPart rModelPart,
typename TSchemeType::Pointer  pScheme,
bool  CalculateReactions = false,
bool  ReformDofSetAtEachStep = false,
bool  MoveMeshFlag = true 
)
inline

Default constructor.

Parameters
rModelPartThe model part of the problem
pSchemeThe integration scheme
CalculateReactionsThe flag for the reaction calculation
ReformDofSetAtEachStepThe flag that allows to compute the modification of the DOF
MoveMeshFlagThe flag that allows to move the mesh

◆ ~MechanicalExplicitStrategy()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
virtual Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::~MechanicalExplicitStrategy ( )
inlinevirtual

Destructor.

◆ MechanicalExplicitStrategy() [2/2]

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::MechanicalExplicitStrategy ( const MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver > &  Other)
inlineprotected

Copy constructor.

Member Function Documentation

◆ Check()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
int Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::Check ( )
inlineoverridevirtual

This function is designed to be called once to perform all the checks needed on the input provided.

Checks can be "expensive" as the function is designed to catch user's errors.

Parameters
rModelPartThe model of the problem to solve
Returns
Zero means all ok

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

◆ Clear()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
void Kratos::MechanicalExplicitStrategy< 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::MechanicalExplicitStrategy< 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 >.

◆ GetCalculateReactionsFlag()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
bool Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::GetCalculateReactionsFlag ( )
inline

This method returns the flag mCalculateReactionsFlag.

Returns
The flag that tells if the reactions are computed

◆ GetInitializePerformedFlag()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
bool Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::GetInitializePerformedFlag ( )
inline

This method gets the flag mInitializeWasPerformed.

Returns
mInitializeWasPerformed: The flag that tells if the initialize has been computed

◆ GetReformDofSetAtEachStepFlag()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
bool Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::GetReformDofSetAtEachStepFlag ( )
inline

This method returns the flag mReformDofSetAtEachStep.

Returns
The flag that tells if each time step the system is rebuilt

◆ GetScheme()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
TSchemeType::Pointer Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::GetScheme ( )
inline

Get method for the time scheme.

Returns
mpScheme: The pointer to the time scheme considered

◆ Initialize()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
void Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::Initialize ( void  )
inlineoverridevirtual

Initialization of member variables and prior operations.

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

◆ InitializeSolutionStep()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
void Kratos::MechanicalExplicitStrategy< 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 >.

◆ KRATOS_CLASS_POINTER_DEFINITION()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::KRATOS_CLASS_POINTER_DEFINITION ( MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >  )

Counted pointer of MechanicalExplicitStrategy.

◆ SetCalculateReactionsFlag()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
void Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::SetCalculateReactionsFlag ( bool  CalculateReactionsFlag)
inline

This method sets the flag mCalculateReactionsFlag.

Parameters
CalculateReactionsFlagThe flag that tells if the reactions are computed

◆ SetInitializePerformedFlag()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
void Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::SetInitializePerformedFlag ( bool  InitializePerformedFlag = true)
inline

This method sets the flag mInitializeWasPerformed.

Parameters
InitializePerformedFlagThe flag that tells if the initialize has been computed

◆ SetReformDofSetAtEachStepFlag()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
void Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::SetReformDofSetAtEachStepFlag ( bool  Flag)
inline

This method sets the flag mReformDofSetAtEachStep.

Parameters
FlagThe flag that tells if each time step the system is rebuilt

◆ SetScheme()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
void Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::SetScheme ( typename TSchemeType::Pointer  pScheme)
inline

Set method for the time scheme.

Parameters
pSchemeThe pointer to the time scheme considered

◆ SolveSolutionStep()

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
bool Kratos::MechanicalExplicitStrategy< 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 >.

Member Data Documentation

◆ mCalculateReactionsFlag

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
bool Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mCalculateReactionsFlag = true
protected

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

default = true

◆ mInitializeWasPerformed

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
bool Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mInitializeWasPerformed = false
protected

Flag telling if the initialize was performed.

default = false

◆ mpScheme

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
TSchemeType::Pointer Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mpScheme
protected

◆ mReformDofSetAtEachStep

template<class TSparseSpace , class TDenseSpace , class TLinearSolver >
bool Kratos::MechanicalExplicitStrategy< TSparseSpace, TDenseSpace, TLinearSolver >::mReformDofSetAtEachStep = false
protected

The pointer to the integration scheme.

Flag telling if it is needed to reform the DofSet at each solution step or if it is possible to form it just once

  • true => reforme at each time step
  • false => form just one (more efficient) Default = false

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