L-stable, stiffly-accurate embedded Rosenbrock ODE solver of order (3)4. More...

Inheritance diagram for rodas34:

Collaboration diagram for rodas34:

Public Member Functions
	TypeName ("rodas34")
	Runtime type information. More...

	rodas34 (const ODESystem &ode, const dictionary &dict)
	Construct from ODESystem. More...

virtual	~rodas34 ()
	Destructor. More...

virtual bool	resize ()
	Resize the ODE solver. More...

virtual scalar	solve (const scalar x0, const scalarField &y0, const label li, const scalarField &dydx0, const scalar dx, scalarField &y) const
	Solve a single step dx and return the error. More...

virtual void	solve (scalar &x, scalarField &y, const label li, scalar &dxTry) const
	Solve the ODE system and the update the state. More...

virtual void	solve (scalar &x, scalarField &y, const label li, scalar &dxTry) const
	Inherit solve from ODESolver. More...

virtual void	solve (scalar &x, scalarField &y, const label li, stepState &step) const
	Inherit solve from ODESolver. More...

virtual void	solve (const scalar xStart, const scalar xEnd, scalarField &y, const label li, scalar &dxEst) const
	Inherit solve from ODESolver. More...

Public Member Functions inherited from ODESolver
	TypeName ("ODESolver")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, ODESolver, dictionary,(const ODESystem &ode, const dictionary &dict),(ode, dict))

	ODESolver (const ODESystem &ode, const dictionary &dict)
	Construct for given ODESystem. More...

	ODESolver (const ODESystem &ode, const scalarField &absTol, const scalarField &relTol)
	Construct for given ODESystem specifying tolerances. More...

	ODESolver (const ODESolver &)=delete
	Disallow default bitwise copy construction. More...

virtual	~ODESolver ()
	Destructor. More...

label	nEqns () const
	Return the number of equations to solve. More...

scalarField &	absTol ()
	Return access to the absolute tolerance field. More...

scalarField &	relTol ()
	Return access to the relative tolerance field. More...

template<class Type >
void	resizeField (UList< Type > &f) const

void	resizeMatrix (scalarSquareMatrix &m) const

virtual void	solve (scalar &x, scalarField &y, const label li, stepState &step) const
	Solve the ODE system from the current state xStart, y. More...

virtual void	solve (const scalar xStart, const scalar xEnd, scalarField &y, const label li, scalar &dxEst) const
	Solve the ODE system from the current state xStart, y. More...

void	operator= (const ODESolver &)=delete
	Disallow default bitwise assignment. More...

Public Member Functions inherited from adaptiveSolver
	adaptiveSolver (const ODESystem &ode, const dictionary &dict)
	Construct from ODESystem. More...

virtual	~adaptiveSolver ()
	Destructor. More...

bool	resize (const label n)
	Resize the ODE solver. More...

void	solve (const ODESystem &ode, scalar &x, scalarField &y, const label li, scalar &dxTry) const
	Solve the ODE system and the update the state. More...

Additional Inherited Members
Static Public Member Functions inherited from ODESolver
static autoPtr< ODESolver >	New (const ODESystem &ode, const dictionary &dict)
	Select null constructed. More...

template<class Type >
static void	resizeField (UList< Type > &f, const label n)

Protected Member Functions inherited from ODESolver
scalar	normaliseError (const scalarField &y0, const scalarField &y, const scalarField &err) const
	Return the normalised scalar error. More...

Protected Attributes inherited from ODESolver
const ODESystem &	odes_
	Reference to ODESystem. More...

const label	maxN_
	Maximum size of the ODESystem. More...

label	n_
	Size of the ODESystem (adjustable) More...

scalarField	absTol_
	Absolute convergence tolerance per step. More...

scalarField	relTol_
	Relative convergence tolerance per step. More...

label	maxSteps_
	The maximum number of sub-steps allowed for the integration step. More...

Detailed Description

L-stable, stiffly-accurate embedded Rosenbrock ODE solver of order (3)4.

Reference:

    Hairer, E., Nørsett, S. P., & Wanner, G. (1996).
    Solving Ordinary Differential Equations II:
    Stiff and Differential-Algebraic Problems, second edition",
    Springer-Verlag, Berlin.

Source files

Definition at line 57 of file rodas34.H.

Constructor & Destructor Documentation

◆ rodas34()

rodas34	(	const ODESystem &	ode,
		const dictionary &	dict
	)

Construct from ODESystem.

Definition at line 75 of file rodas34.C.

◆ ~rodas34()

virtual ~rodas34 ( )

inlinevirtual

Destructor.

Definition at line 102 of file rodas34.H.

Member Function Documentation

◆ TypeName()

TypeName ( "rodas34" )

Runtime type information.

◆ resize()

bool resize ( )

virtual

Resize the ODE solver.

Implements ODESolver.

Definition at line 96 of file rodas34.C.

References ODESolver::resize(), and adaptiveSolver::resize().

Here is the call graph for this function:

◆ solve() [1/5]

Foam::scalar solve	(	const scalar	x0,
		const scalarField &	y0,
		const label	li,
		const scalarField &	dydx0,
		const scalar	dx,
		scalarField &	y
	)		const

virtual

Solve a single step dx and return the error.

Implements adaptiveSolver.

Definition at line 124 of file rodas34.C.

References Foam::constant::physicoChemical::c2, forAll, Foam::LUBacksubstitute(), Foam::LUDecompose(), y, and Foam::y0().

Here is the call graph for this function:

◆ solve() [2/5]

void solve	(	scalar &	x,
		scalarField &	y,
		const label	li,
		scalar &	dxTry
	)		const

virtual

Solve the ODE system and the update the state.

Reimplemented from ODESolver.

Definition at line 245 of file rodas34.C.

References adaptiveSolver::solve(), x, and y.

Here is the call graph for this function:

◆ solve() [3/5]

void solve

Inherit solve from ODESolver.

Definition at line 190 of file ODESolver.C.

◆ solve() [4/5]

void solve

Inherit solve from ODESolver.

Definition at line 204 of file ODESolver.C.

◆ solve() [5/5]

void solve

Inherit solve from ODESolver.

Definition at line 215 of file ODESolver.C.

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

src/ODE/ODESolvers/rodas34/rodas34.H
src/ODE/ODESolvers/rodas34/rodas34.C

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ rodas34()

◆ ~rodas34()

Member Function Documentation

◆ TypeName()

◆ resize()

◆ solve() [1/5]

◆ solve() [2/5]

◆ solve() [3/5]

◆ solve() [4/5]

◆ solve() [5/5]