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2nd International Conference on

High-Reynolds Number Vortex Interactions

PIC PIC PIC PIC PIC PIC

Université de Bretagne Occidentale, Brest

August 31 – September 2, 2009

Organisers: Xavier Carton and Xavier Perrot , David Dritschel and Jean Reinaud

Location: UFR Sciences, UBO, 6 avenue Le Gorgeu, 29200 Brest

Programme and abstracts



Monday, August 31, 2009

 

09:30–10:00   Registration; book of abstracts are distributed.

10:00–10:20   Welcome address by University Research Vice-President and conference organizers

 

10:20–10:50   D.G. Dritschel, R.K. Scott, C. Macaskill, G.A. Gottwald, C.V. Tran: Vortexself-similarity and the evolution of unforced inviscid two-dimensional turbulence

10:50–11:20   I.S. Mamaev: Motion of a rigid body and point vortices on a two-dimensional sphere

11:20–12:50   J.B. Flòr: Rossby wave – vortex interaction on a topographic β-plane

12:50–12:20   L.G. Kurakin: On the stability of a regular vortex polygon outside a circular domain

 

12:20–12:30   Questions/complementary discussion

12:30–13:30   Lunch

 

13:30–14:00   Z. Kizner, V. Govorukhin, R. Trieling, S. Nieuwenhuijsen, G. van Heijst: Multipolar vortices: Experimental evidence and explicit solutions

14:00–14:30   Y. Morel, L. Thomas: Ekman drift and vortical structures

14:30–15:00   A. Demonfaucon, A. Stegner, T. Pichon: Cyclone-Anticyclone asymmetry of an intenseoceanic dipole

15:00–15:30   A. Stegner, R. Caldeira, C. Dong, A. Lazar: Three dimensional instabilities of anoceanic vortex wake at large Reynolds number

 

15:30–16:00   Coffee break, discussions, visit to posters

 

16:00–16:30   B.J. Harvey, M.H.P. Ambaum: Filament instability in surface quasi-geostrophicturbulence

16:30–17:00   D.V. Stepanov, V.V. Novotryasov: Internal Kelvin wave frontogenesis on the equatorialthermocline

17:00–17:30   F.J. Poulin: The instability of time-dependent baroclinic shear flows

 

17:30–18:00   Questions/complementary discussion

18:00–19:30   Informal welcome party with drinks


 

Tuesday, September 1st, 2009

 

09:00–09:30   J.G. Esler, N.J. Matthewman: A vortex dynamics perspective on stratospheric suddenwarmings: the resonant excitation theory

09:30–10:00   G. Lapeyre, P. Klein: Lessons about upper-ocean turbulence at meso andsubmesoscales from high-resolution 3-D simulations

10:00–10:30   G.M. Reznik: Singular vortices in regular flows

 

10:30–11:00   Coffee break, discussions, visit to posters

 

11:00–11:30   G. Sutyrin, X. Carton, S. Herbette: Transformation of baroclinic eddies encounting aseamount top

11:30–12:00   J.N. Reinaud: Finite Rossby number heton instabilities

12:00–12:30   L. Hua, S. Le Gentil, C. Ménesguen: Simulations of rotating stratified turbulencesurrounding anticyclonic eddies

 

12:30–13:30   Lunch

 

13:30–14:00   M.H.P. Ambaum: Down-gradient diffusion and potential vorticity discontinuities

14:00–14:30   N. Paldor, A. Sigalov: An invariant theory of the linearized shallow water equationswith rotation

14:30–15:00   R. Pennel, A. Stegner, K. Béranger: Coastal eddies interactions along the shelfbathymetry

15:00–15:30   R.K. Scott: Coherent shallow-water vortices on a rotating sphere

 

15:30–16:00   Coffee break, discussions, visit to posters

 

16:00–16:30   E.A. Ryzhov, K.V. Koshel: Estimation of the chaotic behavior boundary near a singularvortex when the nonstationary perturbation is not small

16:30–17:00   M.A. Sokolovskiy, X.J. Carton: Baroclinic multipole evolution in shear and strain

17:00–17:30   V.I. Klyatskin: On the diffusion and clasterisation of a magnetic field in randomvelocity fields

 

17:30–18:00   Questions/complementary discussion

19:00–22:00   Dinner at restaurant in Brest harbour


 

Wednesday, September 2nd, 2009

 

09:00–09:30   M.A. Sokolovskiy, K.V. Koshel, J. Verron: On the advection in the vicinity of stationarystructures of three vortices in a two-layer rotating fluid

09:30–10:00   T. Miyazaki, T. Sato, H. Kimura, N. Takahashi: Influence of external flow field on theequilibrium state of quasi-geostrophic point vortices

10:00–10:30   T. Szekely, L. Marié: An analytical study of the SQG point-vortex, with examples of use in the Coastal Ocean

 

10:30–11:00   Coffee break, discussions, visit to posters

 

11:00–11:30   J. Gula, V. Zeitlin: Instability of a coastal current, nonlinear evolution and vortexformation

11:30–12:00   T. Meunier, V. Rossi, Y. Morel, X. Carton: Filament and vortex formation fromtopographic effects on an upwelling current

12:00–12:30   M. Rossi, I. Delbende: A viscous vortex dipole in 2D and in 3D

 

12:30–13:30   Lunch

 

13:30–14:00   A.V. Borisov, A.A. Kilin, I.S. Mamaev: Chaotic vibration of a liquid ellipsoid filled withvortical fluid

14:00–14:30   A. Kilin: Co-axial vortex structures in fluid flows

14:30–15:00   S. Prothin, H. Djeridi, J-Y Billard: Physical analysis of the coherent motion during hysteretic static stall of Naca foil using proper orthogonal decomposition

15:00–15:30   P. Augier, P. Billant, E. Negretti and J.-M. Chomaz: Experimental study of forcedstratified turbulence

 

15:30–16:00   Coffee break, discussions, visit to posters

 

16:00–16:30   P. Billant, S. Le Dizès: Waves on a columnar vortex in a stratified fluid

16:30–17:00   X. Perrot, X. Carton: Non-normal barotropic instability of a two-step Rankine vortex

 

17:00   End of the conference!





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