Large-scale structures in stratified turbulent Couette flow and optimal disturbances

DOI10.1515/RNAM-2020-0004zbMath1472.76041OpenAlexW3005332360MaRDI QIDQ1983512

Evgeny V. Mortikov, Grigory V. Zasko, Andrey V. Glazunov, Yuri M. Nechepurenko

Publication date: 10 September 2021

Published in: Russian Journal of Numerical Analysis and Mathematical Modelling (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/rnam-2020-0004

zbMATH Keywords

direct numerical simulationsmall-scale turbulenceroll structureenergy amplificationneutral stratification

Mathematics Subject Classification ID

Parallel shear flows in hydrodynamic stability (76E05) Stratification effects in turbulence (76F45)

Related Items (3)

Optimal stochastic forcings for sensitivity analysis of linear dynamical systems ⋮ Spectral analysis of optimal disturbances of stratified turbulent Couette flow ⋮ Constant upper bounds on the matrix exponential norm

Cites Work

• On the effect that the direction of geostrophic wind has on turbulence and quasiordered large-scale structures in the atmospheric boundary layer
• On the dimension reduction of linear differential-algebraic control systems
• Numerical study of plane Couette flow: turbulence statistics and the structure of pressure-strain correlations
• A Low-Rank Approximation for Computing the Matrix Exponential Norm
• Optimal transient growth and very large–scale structures in turbulent boundary layers
• Structure and energetics of optimal Ekman layer perturbations
• Estimating large-scale structures in wall turbulence using linear models
• Spectral Methods
• Direct numerical simulation of the Ekman layer: A step in Reynolds number, and cautious support for a log law with a shifted origin
• Spectral Methods
• Linear energy amplification in turbulent channels

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