Steady states in dual-cascade wave turbulence

V. N. Grebenev, S. B. Medvedev, S. V. Nazarenko, B. V. Semisalov

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

1 Цитирования (Scopus)


We study stationary solutions in the differential kinetic equation, which was introduced in Dyachenko A et al (1992 Physica D 57 96-160) for description of a local dual cascade wave turbulence. We give a full classification of single-cascade states in which there is a finite flux of only one conserved quantity. Analysis of the steady-state spectrum is based on a phase-space analysis of orbits of the underlying dynamical system. The orbits of the dynamical system demonstrate the blowup behaviour which corresponds to a 'sharp front' where the spectrum vanishes at a finite wave number. The roles of the Kolmogorov-Zakharov and thermodynamic scaling as intermediate asymptotic, as well as of singular solutions, are discussed.

Язык оригиналаанглийский
Номер статьи365701
Число страниц21
ЖурналJournal of Physics A: Mathematical and Theoretical
Номер выпуска36
СостояниеОпубликовано - 11 сен 2020


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