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physics.flu-dyn2026
A reduced model for surface wave-current interactions without spatial scale separation
Yohei Onuki, Yasushi Fujiwara
We propose a reduced asymptotic model for the mutual interaction between a weakly nonlinear surface gravity wave field and a slowly evolving incompressible current in a homogeneous…
physics.flu-dyn2025
Disentangling discrete and continuous spectra of tidally forced internal waves in shear flow
Yohei Onuki, Antoine Venaille
Generation of internal waves driven by barotropic tides over seafloor topography is a central issue in developing mixing and wave drag parameterizations for ocean circulation model…
physics.flu-dyn2020
Simulating turbulent mixing caused by local instability of internal gravity waves
Y. Onuki, S. Joubaud, T. Dauxois
With the aim of assessing internal wave-driven mixing in the ocean, we develop a new technique for direct numerical simulations of stratified turbulence. Since the spatial scale of…