河川津波の進行・発達と河道内における変形に関する解析
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This study describes the deformation and resonance of solitary waves in coastal areas and along a river. When tsunamis propagate into shallow water regions, they may deform into a train of solitary waves due to the nonlinear shallow water deformation. Also, the change in the river width is expected to cause resonance of solitary waves along the oblique riverbank. This study thus aims to investigate the deformation of solitary waves in a shallow water region around a coast and the resonance due to the oblique boundary in a river. As a result, it is found that solitary waves can be reproduced by using the 3rd order theoretical solutions even when they progress over a mild uniform slope. Also, the amplification of amplitude of solitary waves is revealed to be larger than the Mile's solutions when they approach to an oblique boundary.
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