Diagonally implicit Runge-Kutta methods for ordinary differential equations. A review

CA Kennedy, MH Carpenter - 2016 - ntrs.nasa.gov
A review of diagonally implicit Runge-Kutta (DIRK) methods applied to rst-order ordinary di
erential equations (ODEs) is undertaken. The goal of this review is to summarize the …

[HTML][HTML] On modified Runge–Kutta trees and methods

C Tsitouras, IT Famelis, TE Simos - Computers & Mathematics with …, 2011 - Elsevier
Modified Runge–Kutta (mRK) methods can have interesting properties as their coefficients
may depend on the step length. By a simple perturbation of very few coefficients we may …

Trigonometric-fitted explicit numerov-type method with vanishing phase-lag and its first and second derivatives

C Tsitouras, TE Simos - Mediterranean Journal of Mathematics, 2018 - Springer
An effectively four-stage, sixth-order, hybrid explicit Numerov-type method is presented for
the solution of the special second-order initial value problem. The new method uses variable …

Fitted modifications of classical Runge‐Kutta pairs of orders 5 (4)

TE Simos, C Tsitouras - Mathematical Methods in the Applied …, 2018 - Wiley Online Library
Runge‐Kutta pairs sharing orders 5 and 4 are among the most celebrated methods for
solving initial value problems. Here, after considering the phase lag as a function of …

Evolutionary derivation of Runge–Kutta pairs for addressing inhomogeneous linear problems

TE Simos, C Tsitouras - Numerical Algorithms, 2021 - Springer
Abstract Two new Runge–Kutta (RK) pairs of orders 6 (4) and 7 (5) are presented for solving
numerically the inhomogeneous linear initial value problems with constant coefficients …

Explicit, two‐stage, sixth‐order, hybrid four‐step methods for solving

MA Medvedev, TE Simos… - Mathematical Methods in …, 2018 - Wiley Online Library
A purely interpolatory approach is applied for derivation of methods mentioned in the title.
Four parameters remain free and are enough for presenting a method with minimal …

Trigonometric–fitted hybrid four–step methods of sixth order for solving

MA Medvedev, TE Simos… - Mathematical Methods in …, 2019 - Wiley Online Library
A two–stage, explicit, hybrid four–step method of sixth order for the solution of the special
second order initial value problem is presented here. The new method is trigonometric fitted …

Runge–Kutta embedded methods of orders 8 (7) for use in quadruple precision computations

VN Kovalnogov, RV Fedorov, TV Karpukhina… - Mathematics, 2022 - mdpi.com
High algebraic order Runge–Kutta embedded methods are commonly used when stringent
tolerances are demanded. Traditionally, various criteria are satisfied while constructing …

Exponential integrators for linear inhomogeneous problems

MA Medvedeva, TE Simos… - Mathematical Methods in …, 2021 - Wiley Online Library
We consider the mildly stiff and stiff inhomogeneous linear initial value Problems sharing
constant coefficients. Exponential Runge–Kutta methods are considered to tackle this …

Fitted modifications of Runge‐Kutta pairs of orders 6 (5)

MA Medvedev, TE Simos… - Mathematical Methods in …, 2018 - Wiley Online Library
Runge‐Kutta (RK) pairs sharing orders 6 and 5 are widely used for solving initial value
problems. Thus, we consider the dispersion from a standard cyclic orbit as a function of …