Pole dynamics for the flierl-petviashvili equation and zonal flow.
Using the method of positions of the complex singularities, we identify a class of new, exact solutions of the Flierl-Petviashvili equation. The solutions are periodic and have the geometry of the zonal flow. We examine the physical properties and find that the solution can reproduce data from experimental observations and numerical simulations.
Spineanu
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National Institute for Fusion Science, 322-6 Oroshi-cho, Toki-shi, Gifu-ken 509-5292, Japan.
Vlad
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Itoh
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Sanuki
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Itoh
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SI