A wave interaction approach to studying non-modal homogeneous and stratified shear instabilities

A Guha, GA Lawrence - Journal of fluid mechanics, 2014 - cambridge.org
Homboe (Geophys. Publ., vol. 24, 1962, pp. 67–112) postulated that resonant interaction
between two or more progressive, linear interfacial waves produces exponentially growing …

Anisotropic turbulence in the radiatively driven convective layer in a small shallow ice-covered lake: an observational study

S Bogdanov, I Maksimov, R Zdorovennov… - Boundary-Layer …, 2023 - Springer
Convectively mixed layer (CML) forms due to radiatively driven convection (RDC) in the
upper part of the water column in shallow ice-covered lakes. The spatial structure of this …

[HTML][HTML] Vertical shear processes in river plumes: Instabilities and turbulent mixing

A Ayouche, X Carton, G Charria - Symmetry, 2022 - mdpi.com
In this paper, the problem of vertical shear flow instabilities at the base of a river plume and
their consequences in terms of turbulent energy production and mixing is addressed. This …

The effect of Prandtl number on mixing in low Reynolds number Kelvin-Helmholtz billows

M Rahmani, BR Seymour, GA Lawrence - Physics of Fluids, 2016 - pubs.aip.org
The effect of Prandtl number on mixing in temporally evolving Kelvin-Helmholtz (KH)
instabilities at low to moderate Reynolds numbers is studied through direct numerical …

Quantum hydrodynamics approach to the research of quantum effects and vorticity evolution in spin quantum plasmas

MI Trukhanova - Progress of Theoretical and Experimental …, 2013 - academic.oup.com
In this paper, we explain a magneto quantum hydrodynamics (MQHD) method for the study
of the quantum evolution of a system of spinning fermions in an external electromagnetic …

[HTML][HTML] The formation of small-scale atmospheric vortices via horizontal shearing instability

MS Buban, CL Ziegler - Journal of the Atmospheric Sciences, 2016 - journals.ametsoc.org
The Formation of Small-Scale Atmospheric Vortices via Horizontal Shearing Instability in:
Journal of the Atmospheric Sciences Volume 73 Issue 5 (2016) Jump to Content Jump to Main …

The evolution of large and small-scale structures in Kelvin–Helmholtz instabilities

M Rahmani, B Seymour, G Lawrence - Environmental Fluid Mechanics, 2014 - Springer
To better understand the dynamics of Kelvin–Helmholtz instabilities in environmental flows,
their evolution is investigated using direct numerical simulations (DNS). Two-dimensional …

Kinematics of a fluid ellipse in a linear flow

JM Lilly - Fluids, 2018 - mdpi.com
A four-parameter kinematic model for the position of a fluid parcel in a time-varying ellipse is
introduced. For any ellipse advected by an arbitrary linear two-dimensional flow, the rates of …

[HTML][HTML] Instability of an electron-plasma shear layer in an externally imposed strain flow

NC Hurst, JR Danielson, DHE Dubin, CM Surko - Physics of Plasmas, 2020 - pubs.aip.org
The E× B shear instability of a two-dimensional (2D) filament (ie, a thin, rectangular strip
perpendicular to the magnetic field) of magnetized pure electron plasma is investigated …

Nonlinear modeling of stratified shear instabilities, wave breaking, and wave-topography interactions using vortex method

D Bhardwaj, A Guha - Physics of Fluids, 2018 - pubs.aip.org
Theoretical studies on linear shear instabilities often use simple velocity and density profiles
(eg, constant, piecewise) for obtaining good qualitative and quantitative predictions of the …