Point vortices
Entrapping of a vortex pair interacting with a fixed point vortex revisited I Point vortices
... of point vortices impinging on a fixed point vortex of arbitrary strengths ...of point vortices is established to be regular, the model presents a plethora of possible bounded and ...
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The motion of point vortices on closed surfaces
... of point vortices on a class of differentiable surfaces conformal to the unit ...for vortices on surfaces of revolution and compute their solutions for a variety of ...of vortices on any ...
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Equilibrium configurations of point vortices in doubly connected domains
... stable point vortices with a vortex near each convex corner, and, moreover, there are congurations with a nite sequence of vortices of alternating sign in each ...two vortices of opposite sign ...
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Point vortices for inviscid generalized surface quasi-geostrophic models
... We will look rigorously only at the case of the whole plane as a motivation for the validity of the system of evolution for point vortices. The extension of these results to the torus is straightforward, ...
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Interactions of point vortices in the Zabusky McWilliams model with a background flow
... our vortices, below which our model cannot be considered meaningful, this means that there is effectively no interaction between the vortices for such ...for vortices separated by 2 days or less ...
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Motion of two point vortices in a steady, linear, and elliptical flow
... two vortices are close to each other, then their period of rotation around each other is what it would be if there were no background flow, while, if the vortices are far apart, then that period is ...
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Formation of vortex clusters on a sphere
... two-dimensional vortices on a sphere. If the number of vortices N is large, N ∼ 10 2 − 10 3 , a small number of vor- tex collective structures (clusters) is ...of point vortices distributed ...
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Entrapping of a vortex pair interacting with a fixed point vortex revisited II Finite size vortices and the effect of deformation
... size vortices interacting with a fixed point ...of point vortices impinging on a fixed point ...finite-size vortices, or vortex dipole for simplicity, can ...size vortices ...
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Dynamics of near shore vortices
... straight-line vortices, or, equivalents, point vortices. If point vortices are taken, the model is valid as it stands only if applied to unbounded fluids or if the vortices are ...
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Fast numerical simulation of vortex shedding in tube arrays using a discrete vortex method
... A variant of the Cloud-in-Cell discrete vortex method has been described which can easily accommodate the complex geometry of a tube array. This is achieved using a finite element, rather than a finite dif- ference, ...
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Lattices of quantized vortices in polariton superfluids
... In the scientific literature, several theoretical works describe methods to generate vortex lattices: Liew et al. [35] pre- dicted the formation of regular triangular lattices and of Penrose triangular lattices with ...
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Vortices in the wakes of AGB stars
... the vortices is similar and therefore not dependent on ...Karman vortices. The vortices themselves appear as density enhancements moving down the tail ...the vortices form fully and the ...
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Analysis of Low Speed Aerodynamics of Double Delta Wing
... strong vortices on the upper surface of the wing, which in turn indicates the region of vortex breakdown, a phenomenon which describes the deceleration of the vortex core and an increase in the vortex core ...
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Numerical investigation of the effect of cannula placement on thrombosis
... Figure 6 shows the temporal waveforms of average LV vortex intensity with different cannula placements. Negative values of vortex intensity represent clockwise rotation of the vortices. During the initial filling ...
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Structure and Migration of 2D Vortices
... the vortices; the migration rate is found to scale as χ ...elongated vortices. The migration rate of the vortices also depends on the global properties of the ...
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Compressible vortices and shock-vortex interactions
... which give this maximum formal order of accuracy, but rather choose the coefficients so the scheme is optimal in some other sense. Hill & Pullin [30] used a method pro- posed by Ghosal to optimize their Taylor ...
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Interactive Visualization System of Taylor Vortex Flow Using Stokes' Stream Function
... the vortices in three dimensions are presented by the Java3D ...When vortices disappear, the volume- averaged energies of the disappearing vortices are lower than those of the other ...
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On the controllability of saturating crossflow vortices
... co-rotating vortices in the streamwise direction (Gregory, Stuart and Walker, ...travelling vortices can arise from crossflow instabilities, which one dominates is determined by the receptivity process, ...
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Vortices and atoms in the Maxwellian era
... that vortices that had both ends on the same surface could be joined up into rings in imagination outside the surface, the space considered being enlarged to encompass the entire ...two vortices on each ...
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Trapped vortices in rotating flow
... Trapped vortices in rotating flow 213 The initial distribution of potential vorticity is non-zero only on that k i t e area where the local depth differs from the basic depth H,.. [r] ...
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