Blog Post

Talk on ‘Energy cascade in internal wave attractors’ by Thierry Dauxois, ENS de Lyon & CNRS, France – 24 January 2020

Prof. Thierry Dauxois from Ecole Normale Supérieure (ENS) de Lyon & CNRS, France would be delivering a talk on ‘Energy cascade in internal wave attractors’ on 24th January 2020 at 2:30 pm.

All the students and faculty are invited to the talk.

Venue

Saradananda Seminar Hall, Prajna Bhavan, RKMVERI Belur Campus

Abstract

Internal gravity waves play a primary role in geophysical fluids: they contribute significantly to mixing in the ocean and redistribute energy and momentum in the middle atmosphere. In addition to their very interesting and very unusual theoretical properties, these waves are linked to one of the important questions in the dynamics of the oceans: the cascade of mechanical energy in the abyss and its contribution to mixing. Combining the physics of waves, dynamical systems theory and oceanography, I will discuss a unique self-consistent experimental and numerical setup that models a cascade of triadic interactions transferring energy from large-scale monochromatic input to multi-scale internal wave motion. I will also provide explicit evidence of a wave turbulence framework for internal waves.

Contact

  • (033) 2654 9999

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