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- W2062015217 abstract "The variable-coefficient Korteweg–de Vries equation [ H_X + {textstylefrac{3}{2}}d^{-frac{7}{4}}HH_{xi} + {textstylefrac{1}{6}}kappa d^{frac{1}{2}}H_{xixixi} = 0 ] with d = d (ε X ) is discussed for solitary-wave initial profiles. A straightforward asymptotic solution for ε → 0 is constructed and is shown to be non-uniform both ahead of and behind the solitary wave. The behaviour ahead is rectified by matching to the appropriate exponential form and, together with the use of conservation laws for the equation, the nature of the solution behind the solitary wave is discussed. This leads to the formulation of the solution in the oscillatory ‘tail’, which is again matched directly. The results are applied to the development of the solitary wave into variable-depth water, and the predictions are compared with those obtained, for example, by Grimshaw (1970, 1971). Finally, the asymptotic behaviour of both the solitary wave and the oscillatory tail are assessed in the light of some numerical integrations of the equation." @default.
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- W2062015217 date "1973-10-09" @default.
- W2062015217 modified "2023-10-14" @default.
- W2062015217 title "On an asymptotic solution of the Korteweg–de Vries equation with slowly varying coefficients" @default.
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- W2062015217 doi "https://doi.org/10.1017/s0022112073000492" @default.
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