Asymptotic Formula for the Spectrum of the Linear Problem Describing Periodic Polymer Flows in an Infinite Channel

Результат исследования: Научные публикации в периодических изданияхстатья

3 Цитирования (Scopus)

Аннотация

In this paper, we study a new rheological model (a modification of the well-known Pokrovskii–Vinogradov model) which is shown by computational experiments to take into account the nonlinear effects occurring during melt flows and polymer solutions in regions with complex boundary geometry. For the case where the main solution is an analogue of the Poiseuille flow in an infinite flat channel (viscoelastic polymer fluid considered), an asymptotic formula is obtained for the distribution of points of the spectrum of the linear problem. It is shown that small perturbations have the additional property of periodicity in the variable that runs along the axis of the channel.

Язык оригиналаанглийский
Страницы (с-по)992-1003
Число страниц12
ЖурналJournal of Applied Mechanics and Technical Physics
Том59
Номер выпуска6
DOI
СостояниеОпубликовано - 1 ноя 2018

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