fr.cnes.sirius.patrius.math.ode.nonstiff

Class RungeKutta6Integrator

java.lang.Object

java.util.Observable

fr.cnes.sirius.patrius.math.ode.AbstractIntegrator

fr.cnes.sirius.patrius.math.ode.nonstiff.RungeKuttaIntegrator

fr.cnes.sirius.patrius.math.ode.nonstiff.RungeKutta6Integrator

All Implemented Interfaces:

FirstOrderIntegrator, ODEIntegrator

public class RungeKutta6Integrator
extends RungeKuttaIntegrator

A 6th order Runge-Kutta Integrators

Implementation of a sixth order Runge-Kutta integrator for STELA.

Butcher array :

     0  |     0        0        0        0        0        0        0
    1/3 |    1/3       0        0        0        0        0        0
    2/3 |     0       2/3       0        0        0        0        0
    1/3 |    1/12     1/3     -1/12      0        0        0        0
    5/6 |   25/48   -55/24    35/48    15/8       0        0        0
    1/6 |    3/20   -11/24    -1/8      1/2      1/10      0        0
     1  | -261/260   33/13    43/156 -118/39    32/195   80/39      0
        |----------------------------------------------------------------
        |   13/200     0      11/40    11/40     4/25     4/25    13/200
 

Warning: This interpolator currently performs a 2nd order interpolation issued from article Dense output for strong stability preserving Runge–Kutta methods, D. Ketcheson, 2016.
Accuracy is however below 1m for standard timestep.

Since:

1.3

Version:

1.3

Author:

Cedric Dental

See Also:

RungeKuttaIntegrator

Concurrency :

not thread-safe

Field Summary

Fields inherited from class fr.cnes.sirius.patrius.math.ode.AbstractIntegrator

isLastStep, lastStepHandle, resetOccurred, stepHandlers, stepSize, stepStart

Constructor Summary

Constructors

Constructor and Description
RungeKutta6Integrator(double step) Simple constructor.

Method Summary

Methods inherited from class fr.cnes.sirius.patrius.math.ode.nonstiff.RungeKuttaIntegrator

integrate

Methods inherited from class fr.cnes.sirius.patrius.math.ode.AbstractIntegrator

acceptStep, addEventHandler, addEventHandler, addStepHandler, clearEventHandlers, clearStepHandlers, computeDerivatives, getCurrentSignedStepsize, getCurrentStepStart, getEvaluations, getEventHandlers, getMaxEvaluations, getName, getStepHandlers, handleLastStep, initIntegration, integrate, removeEventState, sanityChecks, setEquations, setMaxEvaluations, setStateInitialized

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RungeKutta6Integrator

public RungeKutta6Integrator(double step)

Simple constructor. Build a sixth-order Runge-Kutta integrator with the given step.

Parameters:

step - integration step