Results 21 to 30 of about 61,385 (293)
The motion of point vortices on closed surfaces [PDF]
We develop a mathematical framework for the dynamics of a set of point vortices on a class of differentiable surfaces conformal to the unit sphere. When the sum of the vortex circulations is non-zero, a compensating uniform vorticity field is required to
Dritschel, David Gerard, Boatto, S
core +1 more source
Study of sheet flutter with large deformation in passage flow
This study reports about the numerical simulation of the sheet flutter in passage flow with large deformation and vortex shedding from trailing-edge. The equation of motion for flexible sheet has the Kelvin-Voigt-type material damping.
Akio YAMANO +3 more
doaj +1 more source
On the beta-drift of an initially circular vortex patch [PDF]
The nonlinear inviscid evolution of a vortex patch in a single-layer quasi-geostrophic fluid and within a background planetary vorticity gradient is examined numerically at unprecedented spatial resolution.
Lam, J Sai-Lap +4 more
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Fixed point property of amenable planar vortexes
This article introduces free group representations of planar vortexes in a CW space that are a natural outcome of results for amenable groups and fixed points found by M.M. Day during the 1960s and a fundamental result for fixed points given by L.E.J. Brouwer.
James Francis Peters, Tane Vergili
openaire +6 more sources
Propagation-invariant vortex Airy beam whose singular point follows its main lobe
We propose and demonstrate a novel vortex Airy beam which is a superposition of an Airy beam and its laterally sheared beam with a π /2 phase shift.
Masato Suzuki +3 more
doaj +1 more source
Fate of Dirac points in a vortex superlattice [PDF]
We consider noninteracting fermions on the honeycomb lattice in the presence of a magnetic vortex superlattice. It is shown that depending on the superlattice periodicity, a gap may open at zero energy. We derive an expression of the gap in the small-flux limit but the main qualitative features are found to be valid for arbitrary fluxes.
Kamfor, M. +3 more
openaire +2 more sources
Interactions of point vortices in the Zabusky-McWilliams model with a background flow [PDF]
We combine a simple quasi-geostrophic flow model with the Zabusky-McWilliams theory of atmospheric vortex dynamics to address a hurricane-tracking problem of interest to the insurance industry.
Connaughton, Colm, Ockendon, J. R.
core +1 more source
Vortex Interactions Subjected to Deformation Flows: A Review
Deformation flows are the flows incorporating shear, strain and rotational components. These flows are ubiquitous in the geophysical flows, such as the ocean and atmosphere.
Konstantin V. Koshel +2 more
doaj +1 more source
Decaying quantum turbulence in a two-dimensional Bose-Einstein condensate at finite temperature
We numerically model decaying quantum turbulence in two-dimensional disk-shaped Bose-Einstein condensates, and investigate the effects of finite temperature on the turbulent dynamics.
Andrew J. Groszek, Matthew J. Davis, Tapio P. Simula
doaj +1 more source
Coupling Between Thermal Oscillations in the Surface of a Micro-Cylinder and Vortex Shedding [PDF]
his article studies the coupling between prescribed thermal oscillations in the surface of a micro-cylinder and vortex shedding. We deal with the unsteady, laminar, compressible flow regime where the aerodynamics forces have a periodic behavior.
J. L. Montanes +5 more
core +2 more sources

