EquationSystemSolver Class Reference

A numerical solver utility for equation systems using LU-decomposition. More...

Public Member Functions
	EquationSystemSolver (Component *pParentComponent, int n)
	Constructor for equation system solver utility.
	EquationSystemSolver (Component *pParentComponent, int n, Matrix *pJacobian, Vec *pEquations, Vec *pVariables)
	Constructor for equation system solver utility with additional arguments.
void	solve (Matrix &jacobian, Vec &equations, Vec &variables, int iteration)
	Solves a system of equations.
void	solve (Matrix &jacobian, Vec &equations, Vec &variables)
	Solves a system of equations with just one iteration (slightly faster)
void	solve ()
	Solves a system of equations. Requires pre-defined pointers to jacobian, equations and state variables.

Detailed Description

A numerical solver utility for equation systems using LU-decomposition.

Solves by first transforming it to and subsequently solving and

Constructor & Destructor Documentation

EquationSystemSolver() [1/2]

EquationSystemSolver	(	Component *	pParentComponent,
		int	n )

Constructor for equation system solver utility.

Parameters

pParentComponent	Pointer to parent component
n	Number of states

EquationSystemSolver() [2/2]

EquationSystemSolver	(	Component *	pParentComponent,
		int	n,
		Matrix *	pJacobian,
		Vec *	pEquations,
		Vec *	pVariables )

Constructor for equation system solver utility with additional arguments.

Parameters

pParentComponent	Pointer to parent component
n	Number of states
pJacobian	Pointer to Jacobian matrix
pEquations	Pointer to vector with equations (RHS)
pVariables	Pointer to vector with state variables

Member Function Documentation

solve() [1/2]

void solve	(	Matrix &	jacobian,
		Vec &	equations,
		Vec &	variables )

Solves a system of equations with just one iteration (slightly faster)

Parameters

jacobian	Jacobian matrix
equations	Vector of system equations
variables	Vector of state variables

solve() [2/2]

void solve	(	Matrix &	jacobian,
		Vec &	equations,
		Vec &	variables,
		int	iteration )

Solves a system of equations.

Parameters

jacobian	Jacobian matrix
equations	Vector of system equations
variables	Vector of state variables
iteration	How many times the solver has been executed before in the same time step