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Opis

This work is devoted to the stability analysis and numerical long time-simulation of relative equilibria in partial differential equations. The simplest examples of nontrivial relative equilibria - or patterns - are traveling waves. These arise in a wide range of applications like nerve axon equations or reaction-diffusion models. Due to their relevance, the stability of traveling waves has been considered by many authors. Important contributions are made by [Evans, 1972-1975], [Sattinger, 1976], [Henry, 1981], and [Bates and Jones, 1989], to name just a few. A major difficulty with the numericallong-time simulation of relative equilibria arises from the fact that the relevant part of the solution typically leaves the computational domain. Here the freezing method is a possibility to counter this problem. It is presented in a very general setting and justified for a large class of equations. Originally the method was introduced independently by [Beyn and Thümmler, 2004] and [Rowleyet al., 2003]. Its basic idea is to split the evolution into a symmetry and a shape part. In practice, the method leads to a partial differential algebraic equation (PDAE).

Szczegóły książki

• Pełny tytuł: Computation and Stability of Patterns in Hyperbolic-Parabolic Systems
• Autor: Jens Rottmann-Matthes
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 193
• EAN: 9783832290641
• ISBN: 3832290648
• ID: 12695131
• Wydawca: Shaker Verlag
• Waga: 268 g
• Wymiary: 211 × 149 × 14 mm
• Data wydania: April 2010

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