TimeIntegration::SIMExplicitRKE< Solver > Class Template Reference

Explicit embedded Runge-Kutta based time stepping for SIM classes. More...

#include <SIMExplicitRKE.h>

Inheritance diagram for TimeIntegration::SIMExplicitRKE< Solver >:

Collaboration diagram for TimeIntegration::SIMExplicitRKE< Solver >:

Public Member Functions
	SIMExplicitRKE (Solver &solv, Method type, double tol)
	Constructor.
bool	solveStep (TimeStep &tp) override
	Computes the solution for the current time step.
Public Member Functions inherited from TimeIntegration::SIMExplicitRK< Solver >
	SIMExplicitRK (Solver &solv, Method type, bool standalone=true)
	Constructor.
const ProcessAdm &	getProcessAdm () const
	Returns the parallel process administrator.
bool	solveRK (Vectors &stages, const TimeStep &tp)
	Applies the Runge-Kutta scheme.
bool	advanceStep (TimeStep &tp)
	Advances the time step one step forward.
bool	saveModel (char *fileName, int &geoBlk, int &nBlock)
	Opens a new VTF-file and writes the model geometry to it.
bool	saveStep (const TimeStep &tp, int &nBlock)
	Saves the converged results of a given time step to VTF file.
void	registerFields (DataExporter &exporter)
	Registers fields for output to a data exporter.
bool	serialize (std::map< std::string, std::string > &data)
	Serialize internal state for restarting purposes.
bool	deSerialize (const std::map< std::string, std::string > &data)
	Set internal state from a serialized state.
void	setLinear (bool enable)
	Mark operator as linear to avoid repeated assembly and factorization.

Private Attributes
RealArray	bs
	Runge-Kutta coefficients for embedded method.
double	errTol
	Truncation error tolerance.

Additional Inherited Members
Protected Attributes inherited from TimeIntegration::SIMExplicitRK< Solver >
Solver &	solver
	Reference to simulator.
RKTableaux	RK
	Tableaux of Runge-Kutta coefficients.
bool	alone
	If true, this is a standalone solver.
bool	linear = false
	If true operators are constant.
bool	assemble = true
	If true, assemble operators.

Detailed Description

template<class Solver>
class TimeIntegration::SIMExplicitRKE< Solver >

Explicit embedded Runge-Kutta based time stepping for SIM classes.

Template can be instanced over any SIM implementing ISolver, and which derive from SIMbase.

Constructor & Destructor Documentation

SIMExplicitRKE()

template<class Solver >

TimeIntegration::SIMExplicitRKE< Solver >::SIMExplicitRKE ( Solver &  solv, Method  type, double  tol  )

inline

Constructor.

Parameters

solv	The simulator to do time stepping for
type	The Runge-Kutta scheme to use
tol	Tolerance for ERK truncation error control

References TimeIntegration::RKTableaux::A, TimeIntegration::RKTableaux::b, TimeIntegration::BOGACKISHAMPINE, TimeIntegration::SIMExplicitRKE< Solver >::bs, TimeIntegration::RKTableaux::c, TimeIntegration::FEHLBERG, TimeIntegration::HEUNEULER, TimeIntegration::RKTableaux::order, utl::matrix< T >::resize(), and TimeIntegration::SIMExplicitRK< Solver >::RK.

Member Function Documentation

solveStep()

template<class Solver >

bool TimeIntegration::SIMExplicitRKE< Solver >::solveStep ( TimeStep &  tp )

inlineoverridevirtual

Computes the solution for the current time step.

Reimplemented from TimeIntegration::SIMExplicitRK< Solver >.

References TimeIntegration::SIMExplicitRK< Solver >::assemble, TimeIntegration::SIMExplicitRKE< Solver >::bs, TimeStep::cutback(), TimeDomain::dt, error(), TimeIntegration::SIMExplicitRKE< Solver >::errTol, TimeIntegration::RKTableaux::order, TimeIntegration::SIMExplicitRK< Solver >::RK, TimeIntegration::SIMExplicitRK< Solver >::solver, TimeIntegration::SIMExplicitRK< Solver >::solveRK(), TimeStep::step, TimeDomain::t, and TimeStep::time.

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

• /home/runner/work/IFEM-2/IFEM-2/Apps/Utils/SIMExplicitRKE.h