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<p>Wave attractor, a phenomenon of internal/inertial wave self-focusing in a stratified/rotating fluid in non-trivial geometry, leads to the rapid turbulence development due to the energy accumulation on a limited area. It was believed until now that instability in a wave attractor should develop in the Triadic Resonance Instability way. In this work it is shown that in a specific geometry, close to real water basins geometries, the instability behaviour can sufficiently differ from that observed in a trapezoid setup.</p>

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Wave attractor in basin with underwater step: from discrete to continuous energy spectrum

  • 期刊论文

  • 发表日期：

    2025年2月23日

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  • Stepan A. Elistratov,
  • Ivan I. But

摘要

Wave attractor, a phenomenon of internal/inertial wave self-focusing in a stratified/rotating fluid in non-trivial geometry, leads to the rapid turbulence development due to the energy accumulation on a limited area. It was believed until now that instability in a wave attractor should develop in the Triadic Resonance Instability way. In this work it is shown that in a specific geometry, close to real water basins geometries, the instability behaviour can sufficiently differ from that observed in a trapezoid setup.