
handle: 11189/5565
Abstract One-step multiple-value methods are developed which involve an accurate predictor method with higher derivatives, followed by a corrector method cast in form of an enhanced Newton–Raphson scheme. The generalized Newmark (GNpj) method may be recovered as a special case. The algorithms serve to match the accuracy of the fourth-order Runge–Kutta–Fehlberg method. Challenges to solve more reliably, accurately and efficiently non-linear differential equations are highlighted as stemming from amplitude and phase shift errors introduced by discretization in space and time – a continuous-discrete transformation. The classical stability tool of spectral radius is performed on linear systems whereas Liapunov method on nonlinear systems.
Liapunov stability, Nonlinear dynamics, Implicit time-integrating schemes, One-step multiple-value methods, 518, Higher-order derivatives, Spectral radius
Liapunov stability, Nonlinear dynamics, Implicit time-integrating schemes, One-step multiple-value methods, 518, Higher-order derivatives, Spectral radius
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