rkssp53 Module Procedure

module procedure rkssp53 module subroutine rkssp53(me, t, x, h, xf)

5-stage, 3rd order SSP Runge-Kutta method of Spiteri and Ruuth (2005). CFL=2.65.

Reference

  • Ruuth, Steven. "Global optimization of explicit strong-stability-preserving Runge-Kutta methods." Mathematics of Computation 75.253 (2006): 183-207. https://www.ams.org/journals/mcom/2006-75-253/S0025-5718-05-01772-2/S0025-5718-05-01772-2.pdf

Note

the coefficients here are only 15 digits of precision.

Arguments

Type IntentOptional Attributes Name
class(rkssp53_class), intent(inout) :: me
real(kind=wp), intent(in) :: t

initial time

real(kind=wp), intent(in), dimension(me%n) :: x

initial state

real(kind=wp), intent(in) :: h

time step

real(kind=wp), intent(out), dimension(me%n) :: xf

state at time t+h


Calls

proc~~rkssp53~~CallsGraph proc~rkssp53 rklib_fixed_steps::rkssp53 f f proc~rkssp53->f funcs funcs proc~rkssp53->funcs