Interaction between long internal waves and free surface waves in deep water
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909292826722304 |
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| author | Kairzhan, Adilbek Kennedy, Christopher Sulem, Catherine |
| author_facet | Kairzhan, Adilbek Kennedy, Christopher Sulem, Catherine |
| contents | We consider a density-stratified fluid composed of two immiscible layers separated by a sharp interface. We study the regime of long internal waves interacting with modulated surface wave packets and describe their resonant interaction by a system of equations where the internal wave solves a high-order Benjamin-Ono (BO) equation coupled to a linear Schrödinger equation for the envelope of the free surface. The perturbation methods are based on the Hamiltonian formulation for the original system of irrotational Euler's equations as described in Benjamin-Bridges [J. Fluid Mech. 333, 1997] and Craig-Guyenne-Kalisch [Comm. Pure Appl. Math. 58, 2005]. We also establish a local wellposedness result for a reduced BO-Schrödinger system using an approach developed by Linares-Ponce-Pilod [J. Diff. Eqs. 250, 2011]. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_21396 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Interaction between long internal waves and free surface waves in deep water Kairzhan, Adilbek Kennedy, Christopher Sulem, Catherine Analysis of PDEs We consider a density-stratified fluid composed of two immiscible layers separated by a sharp interface. We study the regime of long internal waves interacting with modulated surface wave packets and describe their resonant interaction by a system of equations where the internal wave solves a high-order Benjamin-Ono (BO) equation coupled to a linear Schrödinger equation for the envelope of the free surface. The perturbation methods are based on the Hamiltonian formulation for the original system of irrotational Euler's equations as described in Benjamin-Bridges [J. Fluid Mech. 333, 1997] and Craig-Guyenne-Kalisch [Comm. Pure Appl. Math. 58, 2005]. We also establish a local wellposedness result for a reduced BO-Schrödinger system using an approach developed by Linares-Ponce-Pilod [J. Diff. Eqs. 250, 2011]. |
| title | Interaction between long internal waves and free surface waves in deep water |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2407.21396 |