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Nonlinear Brownian dynamics of interfacial fluctuations in a shear flow
| hal.structure.identifier | Laboratoire Interdisciplinaire de Physique [Saint Martin d’Hères] [LIPhy] | |
| dc.contributor.author | THIÉBAUD, Marine | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | AMAROUCHENE, Yacine | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | BICKEL, Thomas | |
| dc.date.created | 2014-10-20 | |
| dc.date.issued | 2014-12 | |
| dc.identifier.issn | 1742-5468 | |
| dc.description.abstractEn | Using Brownian dynamics simulations, we investigate the effect of an external flow on the fluctuations of a liquid–liquid interface for a wide range of shear rates. Although the statistics is Gaussian at low shear, we observe a transition to a nonlinear phenomenology above a critical shear rate. In particular, we show that statistical properties at high forcing share striking similarities with Burgers turbulence. An energy criterion allows us to predict the onset of non-Gaussian statistics. It also provides a simple explanation for the development of shock singularities through the exchange of kinetic energy from regions with positive to negative gradients in the shear direction. | |
| dc.language.iso | en | |
| dc.publisher | IOP Publishing | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc/ | |
| dc.subject.en | Liquid Films (theory) | |
| dc.subject.en | Turbulence | |
| dc.subject.en | Soft interfaces | |
| dc.subject.en | Interfacial phenomena and wetting | |
| dc.subject.en | Fluids in confined geometries | |
| dc.title.en | Nonlinear Brownian dynamics of interfacial fluctuations in a shear flow | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1088/1742-5468/2014/12/P12011 | |
| dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Mécanique statistique [cond-mat.stat-mech] | |
| bordeaux.journal | Journal of Statistical Mechanics: Theory and Experiment | |
| bordeaux.page | P12011 (1-11) | |
| bordeaux.volume | 2014 | |
| bordeaux.issue | 12 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-01119909 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-01119909v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Statistical%20Mechanics:%20Theory%20and%20Experiment&rft.date=2014-12&rft.volume=2014&rft.issue=12&rft.spage=P12011%20(1-11)&rft.epage=P12011%20(1-11)&rft.eissn=1742-5468&rft.issn=1742-5468&rft.au=THI%C3%89BAUD,%20Marine&AMAROUCHENE,%20Yacine&BICKEL,%20Thomas&rft.genre=article |
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