Formation of Coherent Structures in Kolmogorov Flow with Stratification and Drag

Marco Maria Luigi Sammartino, Vincenzo Sciacca, Ponetti, Sciacca, Sammartino

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We study a weakly stratified Kolmogorov flow under the effect of a small linear drag. We perform a linear stability analysis of the basic state. We construct the finite dimensional dynamical system deriving from the truncated Fourier mode approximation. Using the Reynolds number as bifurcation parameter we build the corresponding diagram up to Re=100. We observe the coexistence of three coherent structures.
Original languageEnglish
Pages (from-to)483-492
Number of pages10
JournalActa Applicandae Mathematicae
Volume132
Publication statusPublished - 2014

All Science Journal Classification (ASJC) codes

  • Applied Mathematics

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