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Linear and Weakly Nonlinear Instability of Shallow Mixing Layers with Variable Friction
Joint Authors
Eglite, Irina
Kolyshkin, Andrei
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-03-19
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
Linear and weakly nonlinear instability of shallow mixing layers is analysed in the present paper.
It is assumed that the resistance force varies in the transverse direction.
Linear stability problem is solved numerically using collocation method.
It is shown that the increase in the ratio of the friction coefficients in the main channel to that in the floodplain has a stabilizing influence on the flow.
The amplitude evolution equation for the most unstable mode (the complex Ginzburg–Landau equation) is derived from the shallow water equations under the rigid-lid assumption.
Results of numerical calculations are presented.
American Psychological Association (APA)
Eglite, Irina& Kolyshkin, Andrei. 2018. Linear and Weakly Nonlinear Instability of Shallow Mixing Layers with Variable Friction. Advances in Civil Engineering،Vol. 2018, no. 2018, pp.1-10.
https://search.emarefa.net/detail/BIM-1116675
Modern Language Association (MLA)
Eglite, Irina& Kolyshkin, Andrei. Linear and Weakly Nonlinear Instability of Shallow Mixing Layers with Variable Friction. Advances in Civil Engineering No. 2018 (2018), pp.1-10.
https://search.emarefa.net/detail/BIM-1116675
American Medical Association (AMA)
Eglite, Irina& Kolyshkin, Andrei. Linear and Weakly Nonlinear Instability of Shallow Mixing Layers with Variable Friction. Advances in Civil Engineering. 2018. Vol. 2018, no. 2018, pp.1-10.
https://search.emarefa.net/detail/BIM-1116675
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1116675