C# Class SharpFE.Solvers.LinearSolver

Carries out a simple, linear analysis to solve a static, implicit finite element problem.

Inheritance: IFiniteElementSolver

ファイルを表示 Open project: iainsproat/SharpFE

Protected Properties

Property	Type	Description
matrixBuilder	SharpFE.Stiffness.GlobalModelStiffnessMatrixBuilder
model	FiniteElementModel

Public Methods

Method	Description
LinearSolver ( FiniteElementModel modelToSolve ) : System	Initializes a new instance of the LinearSolver class.
LinearSolver ( FiniteElementModel modelToSolve, GlobalModelStiffnessMatrixBuilder stiffnessMatrixBuilder ) : System	Initializes a new instance of the LinearSolver class.
Solve ( ) : FiniteElementResults	Solves the model containing the finite element problem

Protected Methods

Method	Description
CalculateUnknownDisplacements ( ) : KeyedVector	Calculates part of the problem for unknown displacements
CalculateUnknownReactions ( KeyedVector unknownDisplacements ) : KeyedVector	Calculates part of the stiffness equations for the unknown reactions.
CombineExternalForcesOnReactionNodesWithReactions ( KeyedVector reactions ) : KeyedVector	The user may have placed reactions directly on to fixed supports. These are ignored during the calculation, but the correct answer for the total reaction must include them
CreateResults ( KeyedVector displacements, KeyedVector reactions ) : FiniteElementResults	Puts the data into the results data structure.
Solve ( StiffnessMatrix stiffnessMatrix, KeyedVector forceVector ) : KeyedVector	Solves AX=B for X.
ThrowIfNotAValidModel ( ) : void	Checks as to whether the model is valid for solving.

Method Details

CalculateUnknownDisplacements() protected method

Calculates part of the problem for unknown displacements

protected CalculateUnknownDisplacements ( ) : KeyedVector
return	KeyedVector

CalculateUnknownReactions() protected method

Calculates part of the stiffness equations for the unknown reactions.

protected CalculateUnknownReactions ( KeyedVector unknownDisplacements ) : KeyedVector
unknownDisplacements	KeyedVector	A vector of the displacements which were previously unknown
return	KeyedVector

CombineExternalForcesOnReactionNodesWithReactions() protected method

The user may have placed reactions directly on to fixed supports. These are ignored during the calculation, but the correct answer for the total reaction must include them

protected CombineExternalForcesOnReactionNodesWithReactions ( KeyedVector reactions ) : KeyedVector
reactions	KeyedVector	The calculated values of the reactions
return	KeyedVector

CreateResults() protected method

Puts the data into the results data structure.

protected CreateResults ( KeyedVector displacements, KeyedVector reactions ) : FiniteElementResults
displacements	KeyedVector	The calculated displacements. The index of the values in the vector matches the index of the displacement identifiers.
reactions	KeyedVector	The calculated reactions. The index of the values in the vector matches the index of the reaction identifiers.
return	FiniteElementResults

LinearSolver() public method

Initializes a new instance of the LinearSolver class.

public LinearSolver ( FiniteElementModel modelToSolve ) : System
modelToSolve	FiniteElementModel	The model on which to run the analysis
return	System

LinearSolver() public method

Initializes a new instance of the LinearSolver class.

public LinearSolver ( FiniteElementModel modelToSolve, GlobalModelStiffnessMatrixBuilder stiffnessMatrixBuilder ) : System
modelToSolve	FiniteElementModel	The model on which to run the analysis
stiffnessMatrixBuilder	SharpFE.Stiffness.GlobalModelStiffnessMatrixBuilder	The class which generates the stiffness matrices for solving.
return	System

Solve() public method

Solves the model containing the finite element problem

public Solve ( ) : FiniteElementResults
return	FiniteElementResults

Solve() protected abstract method

Solves AX=B for X.

protected abstract Solve ( StiffnessMatrix stiffnessMatrix, KeyedVector forceVector ) : KeyedVector
stiffnessMatrix	StiffnessMatrix	The stiffness matrix
forceVector	KeyedVector	The forces
return	KeyedVector

ThrowIfNotAValidModel() protected method

Checks as to whether the model is valid for solving.

Thrown if the model is invalid for solving.

protected ThrowIfNotAValidModel ( ) : void
return	void

Property Details

matrixBuilder protected_oe property

A helper class to build the stiffness matrices from the model

protected GlobalModelStiffnessMatrixBuilder,SharpFE.Stiffness matrixBuilder
return	SharpFE.Stiffness.GlobalModelStiffnessMatrixBuilder

model protected_oe property

The model with the data to solve

protected FiniteElementModel model
return	FiniteElementModel