A MATHEMATICAL JUSTIFICATION OF THE FORCED KORTEWEG-DE VRIES EQUATION FOR CAPILLARY-GRAVITY WAVES
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- IGUCHI Tatsuo
- Department of Mathematics Graduate School of Science and Engineering Tokyo Institute of Technology
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The forced Korteweg-de Vries (KdV) equation is the KdV equation with a forcing term and arises as a model for several physical situations. In this paper, we study the validity of this modeling for capillary-gravity waves in an infinitely long canal over an uneven bottom. An underlying background flow of the water together with an uneven bottom causes a deriving force in the KdV equation in some scaling limit. We will show that the solutions of the full problem for capillary-gravity waves split up into two waves moving with different propagation speeds and that the shape of each wave is governed by a forced KdV equation in a slow time scale.
収録刊行物
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- 九州数学雑誌
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九州数学雑誌 60 (2), 267-303, 2006
九州大学大学院数理学研究院
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詳細情報 詳細情報について
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- CRID
- 1390001205230016128
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- NII論文ID
- 130000063141
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- NII書誌ID
- AA10994346
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- ISSN
- 18832032
- 13406116
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- MRID
- 2268237
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- 本文言語コード
- en
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- データソース種別
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