C# Class SharpFE.Stiffness.GlobalModelStiffnessMatrixBuilder

Builds the global stiffness matrix by summing all the individual finite element stiffness matrices

Public Methods

Method	Description
BuildGlobalStiffnessMatrix ( ) : StiffnessMatrix
BuildKnownForcesKnownDisplacementStiffnessMatrix ( ) : StiffnessMatrix	The stiffness matrix which relates to known forces and known displacements
BuildKnownForcesUnknownDisplacementStiffnessMatrix ( ) : StiffnessMatrix	The stiffness matrix which relates to known forces and unknown displacements
BuildUnknownForcesKnownDisplacementStiffnessMatrix ( ) : StiffnessMatrix	The stiffness matrix which relates to unknown forces and known displacements
BuildUnknownForcesUnknownDisplacementStiffnessMatrix ( ) : StiffnessMatrix	The stiffness matrix which relates to unknown forces and unknown displacements
GlobalModelStiffnessMatrixBuilder ( FiniteElementModel model ) : System
GlobalModelStiffnessMatrixBuilder ( ITopologyQueryable parentModel, IModelConstraintProvider modelConstraintProvider ) : System	Initializes a new instance of the GlobalModelStiffnessMatrixBuilder class.
GlobalModelStiffnessMatrixBuilder ( ITopologyQueryable parentModel, IModelConstraintProvider constraintProv, IElementStiffnessMatrixBuilderFactory elementStiffnessMatrixBuilderFactory ) : System	Initializes a new instance of the GlobalModelStiffnessMatrixBuilder class.

Method	Description
BuildStiffnessSubMatrix ( IList rowKeys, IList columnKeys ) : StiffnessMatrix	This function iterates through all the elements which provide stiffnesses for the given combination of nodal degree of freedoms and sums them to provide the total stiffness
GetElementStiffnessProvider ( IFiniteElement element ) : IElementStiffnessCalculator
SumStiffnessesForAllElementsAt ( IList elementsDirectlyConnectingRowAndColumnNodes, NodalDegreeOfFreedom row, NodalDegreeOfFreedom column ) : double	Sums all the stiffnesses across all elements which are connected to the given nodes

public BuildGlobalStiffnessMatrix ( ) : StiffnessMatrix
return	StiffnessMatrix

The stiffness matrix which relates to known forces and known displacements

public BuildKnownForcesKnownDisplacementStiffnessMatrix ( ) : StiffnessMatrix
return	StiffnessMatrix

The stiffness matrix which relates to known forces and unknown displacements

public BuildKnownForcesUnknownDisplacementStiffnessMatrix ( ) : StiffnessMatrix
return	StiffnessMatrix

The stiffness matrix which relates to unknown forces and known displacements

public BuildUnknownForcesKnownDisplacementStiffnessMatrix ( ) : StiffnessMatrix
return	StiffnessMatrix

The stiffness matrix which relates to unknown forces and unknown displacements

public BuildUnknownForcesUnknownDisplacementStiffnessMatrix ( ) : StiffnessMatrix
return	StiffnessMatrix

public GlobalModelStiffnessMatrixBuilder ( FiniteElementModel model ) : System
model	FiniteElementModel
return	System

Initializes a new instance of the GlobalModelStiffnessMatrixBuilder class.

public GlobalModelStiffnessMatrixBuilder ( ITopologyQueryable parentModel, IModelConstraintProvider modelConstraintProvider ) : System
parentModel	ITopologyQueryable	The model from which the stiffness matrices will be built.
modelConstraintProvider	IModelConstraintProvider
return	System

Initializes a new instance of the GlobalModelStiffnessMatrixBuilder class.

public GlobalModelStiffnessMatrixBuilder ( ITopologyQueryable parentModel, IModelConstraintProvider constraintProv, IElementStiffnessMatrixBuilderFactory elementStiffnessMatrixBuilderFactory ) : System
parentModel	ITopologyQueryable
constraintProv	IModelConstraintProvider
elementStiffnessMatrixBuilderFactory	IElementStiffnessMatrixBuilderFactory
return	System