Public Member Functions | List of all members
ODESystem Class Referenceabstract

Abstract base class for the systems of ordinary differential equations. More...

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Public Member Functions

 ODESystem ()
 Construct null. More...
 
virtual ~ODESystem ()
 Destructor. More...
 
virtual label nEqns () const =0
 Return the number of equations in the system. More...
 
virtual void derivatives (const scalar x, const scalarField &y, const label li, scalarField &dydx) const =0
 Calculate the derivatives in dydx. More...
 
virtual void jacobian (const scalar x, const scalarField &y, const label li, scalarField &dfdx, scalarSquareMatrix &dfdy) const =0
 Calculate the Jacobian of the system. More...
 

Detailed Description

Abstract base class for the systems of ordinary differential equations.

Definition at line 46 of file ODESystem.H.

Constructor & Destructor Documentation

◆ ODESystem()

ODESystem ( )
inline

Construct null.

Definition at line 54 of file ODESystem.H.

◆ ~ODESystem()

virtual ~ODESystem ( )
inlinevirtual

Destructor.

Definition at line 59 of file ODESystem.H.

References ODESystem::derivatives(), ODESystem::jacobian(), ODESystem::nEqns(), x, and y.

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Member Function Documentation

◆ nEqns()

virtual label nEqns ( ) const
pure virtual

Return the number of equations in the system.

Implemented in StandardChemistryModel< ReactionThermo, ThermoType >, and StandardChemistryModel< CompType, ThermoType >.

Referenced by ODESolver::resize(), and ODESystem::~ODESystem().

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◆ derivatives()

virtual void derivatives ( const scalar  x,
const scalarField &  y,
const label  li,
scalarField &  dydx 
) const
pure virtual

Calculate the derivatives in dydx.

for the current state x and y and optional index into the list of systems to solve li

Implemented in StandardChemistryModel< ReactionThermo, ThermoType >, StandardChemistryModel< CompType, ThermoType >, TDACChemistryModel< ReactionThermo, ThermoType >, and TDACChemistryModel< CompType, ThermoType >.

Referenced by seulex::seulex(), Trapezoid::solve(), adaptiveSolver::solve(), Rosenbrock12::solve(), Rosenbrock23::solve(), rodas23::solve(), RKCK45::solve(), rodas34::solve(), RKDP45::solve(), RKF45::solve(), Rosenbrock34::solve(), SIBS::solve(), and ODESystem::~ODESystem().

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◆ jacobian()

virtual void jacobian ( const scalar  x,
const scalarField &  y,
const label  li,
scalarField &  dfdx,
scalarSquareMatrix &  dfdy 
) const
pure virtual

Calculate the Jacobian of the system.

for the current state x and y and optional index into the list of systems to solve li. Need by stiff-system solvers

Implemented in StandardChemistryModel< ReactionThermo, ThermoType >, StandardChemistryModel< CompType, ThermoType >, TDACChemistryModel< ReactionThermo, ThermoType >, and TDACChemistryModel< CompType, ThermoType >.

Referenced by EulerSI::solve(), Rosenbrock12::solve(), rodas23::solve(), Rosenbrock23::solve(), rodas34::solve(), Rosenbrock34::solve(), SIBS::solve(), seulex::solve(), and ODESystem::~ODESystem().

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