IUTAM Symposium on 150 Years of Vortex Dynamics: Proceedings of the IUTAM Symposium 150 Years of Vortex Dynamics held at the Technical University of by Hassan ArefIUTAM Symposium on 150 Years of Vortex Dynamics: Proceedings of the IUTAM Symposium 150 Years of Vortex Dynamics held at the Technical University of by Hassan Aref

IUTAM Symposium on 150 Years of Vortex Dynamics: Proceedings of the IUTAM Symposium 150 Years of…

byHassan Aref

Paperback | September 14, 2012

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In 1858 Hermann von Helmholtz published a paper that today is recognized as the foundation of vortex dynamics.

To celebrate the sesquicentennial of Helmholtz's paper, IUTAM sponsored a symposium that was held at the technical university of Denmark in October 2008. The papers presented at the symposium gave a good overview of where the field of vortex dynamics stands today. This volume contains almost all of the papers presented as lectures at the symposium, and also a few of the poster papers. In this volume the reader will find up-to-date, state-of-theart papers on Point vortices, vortex sheets, vortex filaments, vortex rings, vortex patches, vortex streets, the vortex dynamics of swimming and flying, vortex knots, vortices in turbulent flows, vortices in computational fluid dynamics, the topology of vortex wakes, stability of vortex configurations, vortices on a sphere, geophysical vortices, cosmic vortices and much more.

Title:IUTAM Symposium on 150 Years of Vortex Dynamics: Proceedings of the IUTAM Symposium 150 Years of…Format:PaperbackDimensions:452 pagesPublished:September 14, 2012Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:9400732317

ISBN - 13:9789400732315

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Table of Contents

150 Years of vortex dynamics.- The persistence of spin.- Why study vortex dynamics?.- A new calculus for two-dimensional vortex dynamics.- On relative equilibria and integrable dynamics of point vortices in periodic domains.- Collapse and concentration of vortex sheets in two-dimensional flow.- Self-propulsion of a free hydrofoil with localized discrete vortex shedding: analytical modeling and simulation.- Vortex dynamics on a domain with holes.- Background current concept and chaotic advection in an oceanic vortex flow.- Singular vortices in regular flows.- Cosmic vortices in hot stars and cool disks.- 2D vortex interaction in a non-uniform flow.- Localized dipoles: from 2D to rotating shallow water.- Barotropic elliptical dipoles in a rotating fluid.- On instability of elliptical hetons.- Explosive instability of geostrophic vortices. Part 1: baroclinic instability.- Explosive instability of geostrophic vortices. Part 2: parametric instability.- The N-vortex problem on a sphere: geophysical mechanisms that break integrability.- From generation to chaotic motion of a ring configuration of vortex structures on a sphere.- Vortex motion on a sphere: barrier with two gaps.- Asymmetric vortex merger: mechanism and criterion.- Numerical simulations of falling leaves using a pseudo-spectral method with volume penalization.- High-performance computing techniques for vortex method calculations.- Stability of elliptical vortices from "Imperfect-Velocity-Impulse" diagrams.- Chaotic streamlines in the flow of knotted and unknotted vortices.- Falling cards and flapping flags: understanding fluid-solid interactions using an unsteady point vortex model.- Swimming in an inviscid fluid.- Vorticity generation during the clap-fling-sweep of some hovering insects.- Kinetic theory of stellar systems, two-dimensional vortices and HMF model.- Vortices for computing: the engines of turbulence simulation.- Vorticity dynamics in turbulence growth.- Sharp vorticity gradients in two-dimensional turbulence and the energy spectrum.- Super-rotation flow in a precessing sphere.- Vortex dynamics of turbulence-coherent structure interaction.- Statistical theory applied to a vortex street generated from meander of a jet.- Vortex ring velocity and minimum separation in an infinite train of vortex rings generated by a fully pulsed jet.- Topology of vortex creation in the cylinder wake.- Bifurcations in the wake of a thick circular disk.- Vortices in time-periodic shear flow.- Structure of a bathtub vortex: importance of the bottom boundary layer.- Separation vortices and pattern formation.- Global time evolution of viscous vortex rings.- Viscous ring modes in vortices with axial jet.- Short-wave stability of a helical vortex tube: the effect of torsion on the curvature instability.- On the motion of thin vortex tubes.- Dynamics of vortex line in presence of stationary vortex.- A locally induced homoclinic motion of a vortex filament.- Self-similar collapse of 2D and 3D vortex filament models.- Applications of 2D helical vortex dynamics.- Coaxial axisymmetric vortex rings: 150 years after Helmholtz.- Dynamics of vortex rings in viscous fluids.