From generation to chaotic motion of a ring configuration of vortex structures on a sphere

Theoretical and Computational Fluid Dynamics

Volumn 24, Issue 1-4, 2010, Pages 151-156

  Sakajo, Takashi ^a,b  

^a HOKKAIDO UNIVERSITY   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

Author keywords

Flows on sphere; Point vortices; Saddle center equilibria; Vortex sheet

Indexed keywords

CHAOTIC MOTIONS; HAMILTONIAN DYNAMICS; INVISCID FLOWS; KELVIN-HELMHOLTZ INSTABILITIES; NUMERICAL COMPUTATIONS; POINT VORTICES; POLYGONAL RINGS; RESEARCH DEVELOPMENT; RING CONFIGURATION; ROTATING SPHERES; SADDLE-CENTER EQUILIBRIA; SELF-SIMILAR; SIMPLE MODEL; SINGLE VORTICES; TIME EVOLUTIONS; VORTEX PROBLEMS; VORTEX SHEET; VORTEX STRUCTURES; VORTICITY DISTRIBUTION;

SPHERES;

VORTEX FLOW;

CHAOTIC DYNAMICS; COLLAPSE; COMPUTATIONAL FLUID DYNAMICS; JET; KELVIN-HELMHOLTZ INSTABILITY; PLANETARY EVOLUTION; POLYGON; RESEARCH AND DEVELOPMENT; SPHERE; VORTEX; VORTICITY;

EID: 77949425067     PISSN: 09354964     EISSN: 14322250     Source Type: Journal    
DOI: 10.1007/s00162-009-0116-7     Document Type: Conference Paper

References (11)

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3. T. Sakajo 2008 Non self-similar, partial and robust collapse of four point vortices on sphere Phys. Rev. E. 10.1103/PhysRevE.78.016312
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6. T. Sakajo 2007 Erratum: Invariant dynamical systems embedded in the N-vortex problem on a sphere with pole vortices Phys. D 225 235 236
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8. T. Sakajo 2005
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11. K. Yagasaki 2000 Horseshoes in two-degree-of-freedom Hamiltonian systems with saddle-centers Arch. Rat. Mech. Anal. 154 275 296