Vortex Theory for Two Dimensional Boussinesq Equations

In this paper, the single center vortex method (SCVM) is extended to find some vortex solutions of finite core size for dissipative 2D Boussinesq equations. Solutions are expanded in to series of Hermite eigenfunctions. After confirmation the convergence of series of the solution, we show that, by c...

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Veröffentlicht in:Applied mathematics and nonlinear sciences 2020-07, Vol.5 (2), p.67-84
Hauptverfasser: Sharifi, Morteza, Raesi, Behruz
Format: Artikel
Sprache:eng
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Zusammenfassung:In this paper, the single center vortex method (SCVM) is extended to find some vortex solutions of finite core size for dissipative 2D Boussinesq equations. Solutions are expanded in to series of Hermite eigenfunctions. After confirmation the convergence of series of the solution, we show that, by considering the effect of temperature on the evolution of the vortex for the same initial condition as in [ ] the symmetry of the vortex destroyed rapidly.
ISSN:2444-8656
2444-8656
DOI:10.2478/amns.2020.2.00014