This utilitiy condenses given degrees of freedom from any element stiffness matrix to model e.g. hinges. More...

#include <static_condensation_utility.h>

Collaboration diagram for Kratos::GeoStaticCondensationUtility:

Public Types
typedef Element	ElementType

typedef std::size_t	SizeType

typedef Matrix	MatrixType

Static Public Member Functions
static void	CondenseLeftHandSide (ElementType &rTheElement, MatrixType &rLeftHandSideMatrix, const std::vector< int > &rDofList)
	This function is the main operation of this utility. It sorts the reference matrix w.r.t. the given dofs and condenses the reference matrix by using the following inputs: More...

static std::vector< MatrixType >	CalculateSchurComplements (ElementType &rTheElement, const MatrixType &rLeftHandSideMatrix, const std::vector< int > &rDofList)
	This function calculates the 4 schur-complements linking the dofs to be condensed to the dofs to remain by using the following inputs: More...

static std::vector< int >	CreateRemainingDofList (ElementType &rTheElement, const std::vector< int > &rDofList)
	This function creates a list containing all dofs to remain by using the following inputs: More...

static void	FillSchurComplements (MatrixType &Submatrix, const MatrixType &rLeftHandSideMatrix, const std::vector< int > &rVecA, const std::vector< int > &rVecB, const SizeType &rSizeA, const SizeType &rSizeB)
	This function creates the single schur-complements, called by CalculateSchurComplements, by using the following inputs: More...

static void	ConvertingCondensation (ElementType &rTheElement, Vector &rLocalizedDofVector, Vector &rValues, const std::vector< int > &rDofList, const MatrixType &rLeftHandSideMatrix)
	This function re-calculates the condensed degree of freedom in relation to the remaining dofs by using the following inputs: More...

static SizeType	GetNumDofsElement (ElementType &rTheElement)
	This function returns the number of dofs of the respective element by using the following input: More...

Detailed Description

This utilitiy condenses given degrees of freedom from any element stiffness matrix to model e.g. hinges.

Member Typedef Documentation

◆ ElementType

typedef Element Kratos::GeoStaticCondensationUtility::ElementType

◆ MatrixType

typedef Matrix Kratos::GeoStaticCondensationUtility::MatrixType

◆ SizeType

typedef std::size_t Kratos::GeoStaticCondensationUtility::SizeType

Member Function Documentation

◆ CalculateSchurComplements()

static std::vector<MatrixType> Kratos::GeoStaticCondensationUtility::CalculateSchurComplements	(	ElementType &	rTheElement,
		const MatrixType &	rLeftHandSideMatrix,
		const std::vector< int > &	rDofList
	)

inlinestatic

This function calculates the 4 schur-complements linking the dofs to be condensed to the dofs to remain by using the following inputs:

Parameters

rTheElement	The current element
rLeftHandSideMatrix	The matrix which will be condensed
rDofList	The list containing the dofs to be condensed

◆ CondenseLeftHandSide()

static void Kratos::GeoStaticCondensationUtility::CondenseLeftHandSide	(	ElementType &	rTheElement,
		MatrixType &	rLeftHandSideMatrix,
		const std::vector< int > &	rDofList
	)

inlinestatic

This function is the main operation of this utility. It sorts the reference matrix w.r.t. the given dofs and condenses the reference matrix by using the following inputs:

Parameters

rTheElement	The current element
rLeftHandSideMatrix	The matrix which will be condensed
rDofList	The list containing the dofs to be condensed

◆ ConvertingCondensation()

static void Kratos::GeoStaticCondensationUtility::ConvertingCondensation	(	ElementType &	rTheElement,
		Vector &	rLocalizedDofVector,
		Vector &	rValues,
		const std::vector< int > &	rDofList,
		const MatrixType &	rLeftHandSideMatrix
	)

inlinestatic

This function re-calculates the condensed degree of freedom in relation to the remaining dofs by using the following inputs:

Parameters

rTheElement	The current element
rLocalizedDofVector	The localized remaining dof values @rValues rValues The complete localized dof values after re-calculation @rDofList rValues The list containing the dofs to be condensed @rLeftHandSideMatrix The matrix which will be condensed

◆ CreateRemainingDofList()

static std::vector<int> Kratos::GeoStaticCondensationUtility::CreateRemainingDofList	(	ElementType &	rTheElement,
		const std::vector< int > &	rDofList
	)

inlinestatic

This function creates a list containing all dofs to remain by using the following inputs:

Parameters

rTheElement	The current element
rDofList	The list containing the dofs to be condensed

◆ FillSchurComplements()

static void Kratos::GeoStaticCondensationUtility::FillSchurComplements	(	MatrixType &	Submatrix,
		const MatrixType &	rLeftHandSideMatrix,
		const std::vector< int > &	rVecA,
		const std::vector< int > &	rVecB,
		const SizeType &	rSizeA,
		const SizeType &	rSizeB
	)

inlinestatic

This function creates the single schur-complements, called by CalculateSchurComplements, by using the following inputs:

Parameters

Submatrix	The current submatrix to be filled (schur-complement i)
rLeftHandSideMatrix	The matrix which will be condensed
rVecA	RemainingDofs or CondensedDof (according to schur-complement i)
rVecB	RemainingDofs or CondensedDof (according to schur-complement i)
rSizeA	Size of RemainingDofs or CondensedDof (according to schur-complement i)
rSizeB	Size of RemainingDofs or CondensedDof (according to schur-complement i)

◆ GetNumDofsElement()

static SizeType Kratos::GeoStaticCondensationUtility::GetNumDofsElement ( ElementType & rTheElement )

inlinestatic

This function returns the number of dofs of the respective element by using the following input:

Parameters

rTheElement The current element

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

/home/runner/work/Documentation/Documentation/master/applications/GeoMechanicsApplication/custom_utilities/static_condensation_utility.h

Public Types

Static Public Member Functions

Detailed Description

Member Typedef Documentation

◆ ElementType

◆ MatrixType

◆ SizeType

Member Function Documentation

◆ CalculateSchurComplements()

◆ CondenseLeftHandSide()

◆ ConvertingCondensation()

◆ CreateRemainingDofList()

◆ FillSchurComplements()

◆ GetNumDofsElement()