Hydrodynamics of a Granular Gas in a Heterogeneous Environment

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dc.contributor.author Lasanta Becerra, Antonio
dc.contributor.author Vega Reyes, Francisco
dc.date.accessioned 2019-01-11T12:17:18Z
dc.date.available 2019-01-11T12:17:18Z
dc.date.issued 2017-10-11
dc.identifier.bibliographicCitation Entropy. (2017). 19 (10), 536.
dc.identifier.issn 1099-4300
dc.identifier.uri http://hdl.handle.net/10016/27871
dc.description.abstract We analyze the transport properties of a low density ensemble of identical macroscopic particles immersed in an active fluid. The particles are modeled as inelastic hard spheres (granular gas). The non-homogeneous active fluid is modeled by means of a non-uniform stochastic thermostat. The theoretical results are validated with a numerical solution of the corresponding the kinetic equation (direct simulation Monte Carlo method). We show a steady flow in the system that is accurately described by Navier-Stokes (NS) hydrodynamics, even for high inelasticity. Surprisingly, we find that the deviations from NS hydrodynamics for this flow are stronger as the inelasticity decreases. The active fluid action is modeled here with a non-uniform fluctuating volume force. This is a relevant result given that hydrodynamics of particles in complex environments, such as biological crowded environments, is still a question under intense debate.
dc.format.extent 14
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher MDPI
dc.rights © 2017 by the authors. Licensee MDPI, Basel, Switzerland.
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other granular gas; heterogeneous media; hydrodynamics; active matter non-equilibrium
dc.subject.other granular gas
dc.subject.other heterogeneous media
dc.subject.other hydrodynamics
dc.subject.other active matter non-equilibrium
dc.title Hydrodynamics of a Granular Gas in a Heterogeneous Environment
dc.type article
dc.subject.eciencia Física
dc.subject.eciencia Materiales
dc.identifier.doi https://doi.org/10.3390/e19100536
dc.type.version publishedVersion
dc.identifier.publicationissue 10
dc.identifier.publicationtitle Entropy
dc.identifier.publicationvolume 19
dc.identifier.uxxi AR/0000020810
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