Zobrazeno 1 - 10
of 118
pro vyhledávání: '"Stefan G. Llewellyn Smith"'
Publikováno v:
Fluids, Vol 6, Iss 11, p 380 (2021)
The instability of surface lenticular vortices is investigated using a comprehensive suite of laboratory experiments combined with numerical linear stability analysis as well as nonlinear numerical simulations in a two-layer Rotating Shallow Water mo
Externí odkaz:
https://doaj.org/article/44b2f870fbe54577aaa0a10f4438ce80
Publikováno v:
Journal of Fluid Mechanics. 961
Linear and nonlinear stability analyses are performed to determine critical Rayleigh numbers ( ${Ra}_{cr}$ ) for a Rayleigh–Bénard convection configuration with an imposed bottom boundary heat flux that varies harmonically in time with zero mean.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a1315b7209fb241120fb67ce983bf10
https://doi.org/10.1017/jfm.2023.138
https://doi.org/10.1017/jfm.2023.138
Autor:
Tianyi Chu, Stefan G. Llewellyn Smith
Publikováno v:
Regular and Chaotic Dynamics. 26:600-617
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c91e5124ed6d587be9f1b87c758bae3
https://doi.org/10.1134/s1560354721060022
https://doi.org/10.1134/s1560354721060022
Publikováno v:
Journal of Fluid Mechanics. 942
We consider the time evolution in two spatial dimensions of a double vorticity layer consisting of two contiguous, infinite material fluid strips, each with uniform but generally differing vorticity, embedded in an otherwise infinite, irrotational, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54084a1e3d0ad64c28e2aeb15d9824ce
https://doi.org/10.1017/jfm.2022.342
https://doi.org/10.1017/jfm.2022.342
Publikováno v:
Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, vol 380, iss 2226
Equations of motion for compressible point vortices in the plane are obtained in the limit of small Mach number, M , using a Rayleigh–Jansen expansion and the method of Matched Asymptotic Expansions. The solution in the region between vortices is m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b63eb280d47f0eb70e0a11e567fe57b9
https://doi.org/10.1098/rsta.2021.0052
https://doi.org/10.1098/rsta.2021.0052
Publikováno v:
Journal of Mechanical Science and Technology. 34:1459-1465
This work presents a theoretical and experimental study of a flexible plate immersed in a von Karman vortex street. The wake is generated in a water flow using a cylindrical obstacle with a Reynolds number lower than 200. The vortices provoke oscilla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b1442f43c48dfb28f4699824fc0b11b
https://doi.org/10.1007/s12206-020-0307-0
https://doi.org/10.1007/s12206-020-0307-0
Publikováno v:
Journal of the Atmospheric Sciences. 77:1233-1244
Tsunami-generated linear acoustic–gravity waves in the atmosphere with altitude-dependent vertical stratification and horizontal background winds are studied with the long-term goal of real-time tsunami warning. The initial-value problem is examine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8bc82cb20834622008acba1476aabf1
https://doi.org/10.1175/jas-d-18-0322.1
https://doi.org/10.1175/jas-d-18-0322.1
Autor:
Stefan G. Llewellyn Smith, Noé Lahaye
Publikováno v:
Journal of Physical Oceanography (0022-3670) (American Meteorological Society), 2020, Vol. 50, P. 305-321
Coupled-mode equations describing the propagation and scattering of internal waves over large-amplitude arbitrary topography in a two-dimensional stratified fluid are derived. They consist of a simple set of ordinary differential equations describing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e82e0ecfcaf7589835f182cd6f559fb9
https://doi.org/10.1175/jpo-d-19-0005.1
https://doi.org/10.1175/jpo-d-19-0005.1
Publikováno v:
Fluids, Vol 6, Iss 380, p 380 (2021)
Fluids
Fluids, MDPI, 2021, 6 (11), pp.1-25. ⟨10.3390/fluids6110380⟩
Fluids, 2021, 6 (11), pp.1-25. ⟨10.3390/fluids6110380⟩
Volume 6
Issue 11
Fluids
Fluids, MDPI, 2021, 6 (11), pp.1-25. ⟨10.3390/fluids6110380⟩
Fluids, 2021, 6 (11), pp.1-25. ⟨10.3390/fluids6110380⟩
Volume 6
Issue 11
International audience; The instability of surface lenticular vortices is investigated using a comprehensive suite of laboratory experiments combined with numerical linear stability analysis as well as nonlinear numerical simulations in a two-layer R
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b9e61d7c94edb26c38a3139575539e6
https://www.mdpi.com/2311-5521/6/11/380
https://www.mdpi.com/2311-5521/6/11/380
Publikováno v:
Engineering Analysis with Boundary Elements. 108:459-471
Although Eulerian approaches are standard in computational acoustics, they are less effective for problems with moving boundaries and multiphase systems like bubble acoustics. In this paper, a Lagrangian approach to model sound propagation in moving
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1c7c285a09be2ae34e6ce8e18a085bf
https://doi.org/10.1016/j.enganabound.2019.07.020
https://doi.org/10.1016/j.enganabound.2019.07.020