Revisit on two-dimensional self-gravitating kinks: superpotential formalism and linear stability
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DOI: 10.1007/jhep04(2021)118
Abstract: Self-gravitating kink solutions of a two-dimensional dilaton gravity are revisited in this work. Analytical kink solutions are derived from a concise superpotential formalism of the dynamical equations. A general analysis on the linear stability is… read more here.
Keywords: two dimensional; linear stability; superpotential formalism; self gravitating ... See more keywords
Linear Stability of an Incompressible Polymer Fluid at Rest
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DOI: 10.1007/s10958-018-3722-3
Abstract: We prove that the linearized equations of an incompressible polymer fluid have no partial solutions increasing with time. read more here.
Keywords: stability incompressible; polymer fluid; incompressible polymer; linear stability ... See more keywords
Linear stability of a plane Couette–Poiseuille flow overlying a porous layer
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2019.103160
Abstract: Abstract The modal and non-modal linear stability analyses of a three-dimensional plane Couette–Poiseuille flow through a porous channel are studied based on the two-domain approach, where fluid and porous layers are treated as distinct layers… read more here.
Keywords: linear stability; layer; couette; porous layer ... See more keywords
Linear stability analysis of evaporating falling liquid films
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DOI: 10.1016/j.ijmultiphaseflow.2020.103354
Abstract: Abstract We consider the linear stability of evaporating thin films falling down an inclined plate. The one sided-model presented first by “Burelbach, J.P., Bankoff, S.G., Davis, S.H., 1988, Nonlinear stability of evaporating/condensing liquid films, Journal… read more here.
Keywords: evaporation; stability; linear stability; liquid films ... See more keywords
Linear stability of confined flow around a 180-degree sharp bend
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2017.266
Abstract: This study seeks to characterise the breakdown of the steady two-dimensional solution in the flow around a 180-degree sharp bend to infinitesimal three-dimensional disturbances using a linear stability analysis. The stability analysis predicts that three-dimensional… read more here.
Keywords: linear stability; unicode stix; stix x1d6fd;
The role of soluble surfactants in the linear stability of two-layer flow in a channel
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.392
Abstract: The linear stability of Couette–Poiseuille flow of two superposed fluid layers in a horizontal channel is considered. The lower fluid layer is populated with surfactants that appear either in the form of monomers or micelles… read more here.
Keywords: concentration; linear stability; layer; fluid ... See more keywords
The viscous Holmboe instability for smooth shear and density profiles
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DOI: 10.1017/jfm.2020.340
Abstract: The Holmboe wave instability is one of the classic examples of a stratified shear instability, usually explained as the result of a resonance between a gravity wave and a vorticity wave. Historically, it has been… read more here.
Keywords: linear stability; stratified shear; holmboe instability; viscous holmboe ... See more keywords
Linear stability of shallow morphodynamic flows
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DOI: 10.1017/jfm.2021.235
Abstract: Abstract It is increasingly common for models of shallow-layer overland flows to include equations for the evolution of the underlying bed (morphodynamics) and the motion of an associated sedimentary phase. We investigate the linear stability… read more here.
Keywords: morphodynamic flows; shallow morphodynamic; linear stability; stability shallow ... See more keywords
Linear stability analysis of two fluid columns of different densities and viscosities in a gravity field
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DOI: 10.1017/jfm.2021.440
Abstract: The linear stability of a vertical interface separating two miscible fluid columns of different densities and viscosities under the influence of gravity is investigated. This flow possesses a time-dependent reference state (each column accelerates at… read more here.
Keywords: different densities; linear stability; fluid columns; time ... See more keywords
Linear stability analysis of particle-laden hypopycnal plumes
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DOI: 10.1063/1.4999343
Abstract: Gravity-driven riverine outflows are responsible for carrying sediments to the coastal waters. The turbulent mixing in these flows is associated with shear and gravitational instabilities such as Kelvin-Helmholtz, Holmboe, and Rayleigh-Taylor. Results from temporal linear… read more here.
Keywords: linear stability; stability analysis; analysis particle; stability ... See more keywords
Linear stability of buoyant convection in horizontally heated porous layers
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DOI: 10.1063/5.0288924
Abstract: This paper investigates the onset and nature of natural convection instabilities within elongated cavities filled with a Newtonian, incompressible fluid saturating a homogeneous and isotropic porous medium. The study begins by deriving an exact analytical… read more here.
Keywords: linear stability; convection horizontally; stability buoyant; convection ... See more keywords