Parallel diagonally implicit Runge-Kutta-Nyström methods:

Abstract: "In this paper, we study diagonally implicit iteration methods for solving implicit Runge-Kutta-Nystrom methods on parallel computers. These iteration methods are such that in each step, the iterated method belongs to the class of diagonally implicit Runge-Kutta- Nystrom methods (DIRK...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Houwen, Pieter J. van der (VerfasserIn), Sommeijer, Ben P. ca. 20. Jh (VerfasserIn), Nguyen, Huu Cong (VerfasserIn)
Format: Buch
Sprache:English
Veröffentlicht: Amsterdam 1991
Schriftenreihe:Centrum voor Wiskunde en Informatica <Amsterdam> / Afdeling Numerieke Wiskunde: Report NM 1991,3
Schlagworte:
Zusammenfassung:Abstract: "In this paper, we study diagonally implicit iteration methods for solving implicit Runge-Kutta-Nystrom methods on parallel computers. These iteration methods are such that in each step, the iterated method belongs to the class of diagonally implicit Runge-Kutta- Nystrom methods (DIRKN methods). The number of stages of this DIRKN method depends on the number of iterations and may vary from step to step. Since a large number of these stages can be computed in parallel, and since the total number of stages can be kept small by a suitable choice of the parameters in the iteration process, the resulting variable-stage DIRKN methods are rather efficient on parallel computers
By using implicit Runge-Kutta-Nystrom methods with high stage order, the phenomenon of order reduction exhibited in many problems with large Lipschitz constants does not deteriorate the accuracy of these variable-stage DIRKN methods.
Beschreibung:14 S.

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