Boundary streaming by internal waves
نویسندگان
چکیده
منابع مشابه
Internal Gravity Waves and Hyperbolic Boundary-value Problems†
Talk Abstract Three-dimensional time-harmonic internal gravity waves are generated by oscillating a bounded object in an unbounded stratified fluid. Energy is found in conical wave beams. The problem is to calculate the wave fields for an object of arbitrary shape. It can be formulated as a hyperbolic boundary-value problem. The following aspects are discussed: reduction to boundary integral eq...
متن کاملInternal gravity waves, boundary integral equations and radiation conditions
Three-dimensional time-harmonic internal gravity waves are generated by oscillating a bounded object (or by scattering from a fixed object) in a stratified fluid. Energy is found in conical wave beams: the problem is to calculate the wave fields for an object of arbitrary shape. An integral formula for the pressure is derived, using a reciprocal theorem and a Green’s function. The boundary inte...
متن کاملInternal Waves and Boundary Layers in a Density-stratified Fluid
Internal tides, generated in the density-stratified ocean by the oscillation of the barotropic tide over bottom topography, play a crucial role in the energy balance of the Earth–Moon system [1]. This has led to a recent revival of the classical topic of internal gravity wave generation by oscillating bodies. Wave energy dissipates owing to wave breaking and suband superharmonic excitation, at ...
متن کاملHarmonic generation by reflecting internal waves
The generation of internal gravity waves by tidal flow over topography is an important oceanic process that redistributes tidal energy in the ocean. Internal waves reflect from boundaries, creating harmonics and mixing. We use laboratory experiments and two-dimensional numerical simulations of the Navier–Stokes equations to determine the value of the topographic slope that gives the most intens...
متن کاملEnergy Transport by Nonlinear Internal Waves
Wintertime stratification on Oregon’s continental shelf often produces a near-bottom layer of dense fluid that acts as an internal waveguide on which nonlinear internal waves propagate. Shipboard profiling and bottom lander observations capture disturbances that exhibit properties of internal solitary waves, bores and gravity currents. Wave-like pulses are highly turbulent (instantaneous bed st...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Fluid Mechanics
سال: 2018
ISSN: 0022-1120,1469-7645
DOI: 10.1017/jfm.2018.786