dorsal/arxiv
View SchemaWaves attractors in rotating fluids: a paradigm for ill-posed Cauchy problems
| Authors | M. Rieutord, B. Georgeot, L. Valdettaro |
|---|---|
| Categories | |
| ArXiv ID | physics/0011031 |
| URL | https://arxiv.org/abs/physics/0011031 |
| DOI | 10.1103/PhysRevLett.85.4277 |
| Journal | Phys.Rev.Lett.85:4277,2000 |
Abstract
In the limit of low viscosity, we show that the amplitude of the modes of oscillation of a rotating fluid, namely inertial modes, concentrate along an attractor formed by a periodic orbit of characteristics of the underlying hyperbolic Poincar\'e equation. The dynamics of characteristics is used to elaborate a scenario for the asymptotic behaviour of the eigenmodes and eigenspectrum in the physically relevant r\'egime of very low viscosities which are out of reach numerically. This problem offers a canonical ill-posed Cauchy problem which has applications in other fields.
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"abstract": "In the limit of low viscosity, we show that the amplitude of the modes of\noscillation of a rotating fluid, namely inertial modes, concentrate along an\nattractor formed by a periodic orbit of characteristics of the underlying\nhyperbolic Poincar\\\u0027e equation. The dynamics of characteristics is used to\nelaborate a scenario for the asymptotic behaviour of the eigenmodes and\neigenspectrum in the physically relevant r\\\u0027egime of very low viscosities which\nare out of reach numerically. This problem offers a canonical ill-posed Cauchy\nproblem which has applications in other fields.",
"arxiv_id": "physics/0011031",
"authors": [
"M. Rieutord",
"B. Georgeot",
"L. Valdettaro"
],
"categories": [
"physics.flu-dyn",
"astro-ph",
"cond-mat",
"gr-qc",
"nlin.PS"
],
"doi": "10.1103/PhysRevLett.85.4277",
"journal_ref": "Phys.Rev.Lett.85:4277,2000",
"title": "Waves attractors in rotating fluids: a paradigm for ill-posed Cauchy problems",
"url": "https://arxiv.org/abs/physics/0011031"
},
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