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Stability of cosmological deflagration fronts
(American Physical Society, 2014-05)
In a cosmological first-order phase transition, bubbles of the stable phase nucleate and expand in the supercooled metastable phase. In many cases, the growth of bubbles reaches a stationary state, with bubble walls ...
Simplified CFD model of coolant channels typical of a plate-type fuel element: an exhaustive verification of the simulations
(Associa????o Brasileira de Energia Nuclear, 2018)
A hydrodynamic approach to the study of anisotropic instabilities in dissipative relativistic plasmas
(World Scientific, 2016-12)
We develop a purely hydrodynamic formalism to describe collisional, anisotropic insta-bilities in a relativistic plasma, that are usually described with kinetic theory tools. Ourmain motivation is the fact that coarse-grained ...
Turing Instability in a Model with Two Interacting Ising Lines: Non-equilibrium Fluctuations
(Springer, 2019-01)
This is the second of two articles on the study of a particle system model that exhibits a Turing instability type effect. About the hydrodynamic equations obtained in Capanna and Soprano (Markov Proc Relat Fields ...
Nonlinear analysis of the shearing instability in granular gases
(2000)
It is known that a finite-size homogeneous granular fluid develops a hydrodynamiclike instability when dissipation crosses a threshold value. This instability is analyzed in terms of modified hydrodynamic equations: first, ...
Three-dimensional simulations of clump formation in stellar wind collisions
(Oxford University Press, 2020)
The inner parsec of our Galaxy contains tens of Wolf-Rayet stars whose powerful outflows are constantly interacting while filling the region with hot, diffuse plasma. Theoretical models have shown that, in some cases, the ...
Oscillation of the velvet worm slime jet by passive hydrodynamic instability.
The rapid squirt of a proteinaceous slime jet endows velvet worms (Onychophora) with a unique mechanism for defence from predators and for capturing prey by entangling them in a disordered web that immobilizes their target. ...