Open Access

Table 2

List of RUNKO modules and solvers.

Module/solver Instance Description Eqs. References
FIELDS Maxwell’s field equations module
PROPAGATOR Field solver
FDTD2 2nd order FDTD solver (14) and (15) Yee (1966)
FDTD4 4th order FDTD solver Greenwood et al. (2004)
FDTDGen FDTD solver with free coefficients Bünne et al. (2018)
FILTER Current smoothing
Binomial2 3-point (binomial) digital filter Birdsall & Langdon (1985)
Compensator2 3-point “compensator” filter ibid.

PIC Particle-in-cell module
PUSHER Particle x and и propagation
base class Simple velocity Verlet propagator (18) Verlet (1967)
BorisPusher Relativistic Boris pusher (C.l)–(C7) Boris (1970)
VayPusher Vay pusher Vay (2008)
HigueraCaryPusher Higuera-Сагу pusher Higuera & Cary (2017)
rGCAPusher Guiding-center pusher Bacchini et al. (2020)
INTERPOLATOR Field interpolator to particle location
Linearinterpolator Linear 1st order interpolator
Quadraticlnterpolator Quadratic 2nd order interpolator
Cubiclnterpolator Cubic 3rd order interpolator
Quarticlnterpolator Quartic 4th order interpolator
DEPOSITER Current deposition
ZigZag First order ZigZag scheme (D.l)–(D.5) Umeda et al. (2003)
ZigZag_2nd 2nd order ZigZag scheme Umeda (2005)
Esikerpov_2nd 2nd order Esikerpov scheme Esirkepov (2001)
Esikerpov_4th 4th order Esikerpov scheme ibid.

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