Kratos::StaticCondensationUtility Namespace Reference

Typedefs
typedef Element	ElementType
typedef std::size_t	SizeType
typedef Matrix	MatrixType

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

Typedef Documentation

ElementType

typedef Element Kratos::StaticCondensationUtility::ElementType

MatrixType

typedef Matrix Kratos::StaticCondensationUtility::MatrixType

SizeType

typedef std::size_t Kratos::StaticCondensationUtility::SizeType

Function Documentation

CalculateSchurComplements()

std::vector<MatrixType> Kratos::StaticCondensationUtility::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:

Parameters

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

CondenseLeftHandSide()

void Kratos::StaticCondensationUtility::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:

Parameters

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

ConvertingCondensation()

void Kratos::StaticCondensationUtility::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:

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()

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

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()

void Kratos::StaticCondensationUtility::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:

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()

SizeType Kratos::StaticCondensationUtility::GetNumDofsElement

(

const ElementType &

rTheElement

)

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

Parameters

rTheElement

The current element