B Wave Propagations in Non-Uniform Media(Part II. Further Developments of the Reductive Perturbation Method)
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概要
- 論文の詳細を見る
The reductive perturbation methods for the wave propagation in weakly inhomogeneous media and also spatially homogeneous but weakly unstable media are developed in virtue of appropriate strained variables for the waves and the media. For each case, low dispersive long wave and modulated amplitude of the self-interacting nearly monochromatic wave can be described by relatively simple scalar equations, many of which have one linear extra term with a variable coefficient in comparison with the equation for the constant media. Modulation of nearly monochromatic wave which has a complex frequency with a small imaginary part, is also considered in an unsteady medium and a similar governing equation is obtained. These theories are applied, directly or in extende forms, to the illustrative examples from fluid mechanics, plasma physics and astrophysics.
- 理論物理学刊行会の論文
- 1975-01-31
著者
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Asano Naruyoshi
Department Of Engineering Mathematics Utsunomiya University
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Asano Naruyoshi
Department Of Engineering Mathematics Faculty Of Engineering Utsunomiya University
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ASANO Naruyoshi
Laboratory of Applied Mathematics and Mathematical Physics Department of Information Science, Faculty of Engineering University of Utsunomiya
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ASANO Naruyoshi
Department of Information Science, Faculty of Engineering Utsunomiya University
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