Hierarchical Methods: v. 1: Hierarchy and Hierarchical Asymptotic Methods in Electrodynamics

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This monograph consists of two volumes and provides a unified comprehensive presentation of a new hierarchic paradigm and discussions of various applications of hierarchical methods for nonlinear electrodynamic problems. Volume one presents a hierarchical model for dynamic non-linear systems; this is then described and analysed and an alternative set of hierarchical principles discussed. The modern hierarchic asymptotic methods are set forth systematically, taking into account specific features of electrodynamic problems, and the phenomenon of hierarchy in electrodynamics, in itself, is thoroughly discussed from an unusual point of view. A set of hierarchical asymptotic calculative methods of two types is discussed in detail. The methods of the first type are destined for asymptotic integration of non-linear differential equations with total derivatives and with multifrequency (including multi-scale) non-linear right hand parts. These are the Van der Pol method, Krylov-Bogolyubov method, Bogolyubov-Zubarev method and their hierarchical versions. The methods of the second type include the method of slowly varying amplitudes, the method of averaged characteristics, the methods of averaged kinetic and quasihydrodynamic equations, and some other. These methods are intended for asymptotic integration of non-linear differential equations with partial derivatives and multifrequency (including multi-scale) right hand parts. Detailed calculative technologies for practical application of all mentioned methods are illustrated by examples of real electrodynamic systems (free electron lasers, undulative induction accelerators, systems for transformation of laser signals and so forth.