Journal
JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS
Volume 60, Issue 2, Pages 284-302Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S002189441902010X
Keywords
attractors; internal waves; inertial waves; wave turbulence; geophysical hydrodynamics
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Funding
- Presidium of the Russian Academy of Sciences [26]
- Basic Research of the Siberian Branch of the Russian Academy of Sciences
- Russian Ministry of Education and Science [14.616.21.0075, RFMEF161617X0075]
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This paper presents a review of theoretical, experimental, and numerical studies of geometric attractors of internal and/or inertial waves in a stratified and/or rotating fluid. The dispersion relation for such waves defines the relationship between the frequency and direction of their propagation, but does not contain a length scale. A consequence of the dispersion relation is energy focusing due to wave reflection from sloping walls. In a limited volume of fluid, focusing leads to the concentration of wave energy near closed geometrical configurations called wave attractors. The evolution of the concept of wave attractors from ray-theory predictions to observations of wave turbulence in physical and numerical experiments is described.
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