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Free expansion of attractive and repulsive Bose-Einstein condensed vortex states
(2002-03-01)
A numerical study of the time-dependent Gross-Pitaevskii equation for an axially symmetric trap to obtain insight into the free expansion of vortex states of BEC is presented. As such, the ratio of vortex-core radius to ...
NUMERICAL SIMULATION OF VORTEX INTERACTIONS USING A FAST MULTIPOLE DISCRETE PARTICLE METHOD
(Int Center Numerical Methods Engineering, 2015-01-01)
The discrete vortex method (DVM) is based on a Lagrangian description of the vorticity transport equation. In order to numerically solve the DVM, one can split the vorticity equation into separate diffusive and convective ...
Numerical simulation of vortex interactions using a fast multipole discrete particle method
(2015-01-01)
The discrete vortex method (DVM) is based on a Lagrangian description of the vorticity transport equation. In order to numerically solve the DVM, one can split the vorticity equation into separate diffusive and convective ...
Regimes of Near-Wall Vortex Dynamics in Potential Flow Through Gaps
(Physics of Fluids, 2008-01-01)
A two-dimensional problem of the motion of a single vortex near an infinite straight wall with singular gaps is solved both analytically, using a point-vortex approach, and numerically based on the method of contour surgery ...
Numerical evidence of nonuniqueness in the evolution of vortex sheets
(Edp Sciences S ALes Ulis Cedex AFrança, 2006)
The holographic vortex lattice using the circular cell method.
We investigate vortex lattice solutions in a holographic superconductor model in asymptotically AdS4 spacetime which includes the gravitational backreaction of the vortex. The circular cell approximation, which is known ...
Development of a new Lagrangian vortex method for evaluating effects of surfaces roughness
(2019-03-01)
The main contribution of this paper is to develop a new methodology to include effects of surface roughness on aerodynamic of bodies. The numerical approach simulates the mechanism of vortex shedding of a rough circular ...
Free expansion of attractive and repulsive Bose-Einstein condensed vortex states
(2002-03-01)
A numerical study of the time-dependent Gross-Pitaevskii equation for an axially symmetric trap to obtain insight into the free expansion of vortex states of BEC is presented. As such, the ratio of vortex-core radius to ...
Application of vortex granulators in technology of Ammonium Nitrate obtaining: Main advantages and environmental aspects of implementation
(Walsh Medical Media, 2015-12)
An article deals with the application of vortex granulators in technology of ammonium nitrate obtaining. The review of the main methods of granulation is carried out. The basic advantages of suspended layer granulators are ...
Fast multipole method applied to Lagrangian simulations of vortical flows
(Elsevier B.V., 2017-10-01)
Lagrangian simulations of unsteady vortical flows are accelerated by the multi-level fast multipole method, FMM. The combination of the FMM algorithm with a discrete vortex method, DVM, is discussed for free domain and ...