Coarsening and mechanics in the bubble model for wet foams

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Khakalo, Kseniia Baumgarten, Karsten Tighe, Brian P. Puisto, Antti 2018-08-21T13:47:34Z 2018-08-21T13:47:34Z 2018-07-19
dc.identifier.citation Khakalo , K , Baumgarten , K , Tighe , B P & Puisto , A 2018 , ' Coarsening and mechanics in the bubble model for wet foams ' Physical Review E , vol 98 , no. 1 , 012607 , pp. 1-9 . DOI: 10.1103/PhysRevE.98.012607 en
dc.identifier.issn 2470-0045
dc.identifier.issn 1550-2376
dc.identifier.other PURE UUID: c7bbb7b0-99ad-4291-b8c7-281b4e60a17c
dc.identifier.other PURE ITEMURL:
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dc.description.abstract Aqueous foams are an important model system that displays coarsening dynamics. Coarsening in dispersions and foams is well understood in the dilute and dry limits, where the gas fraction tends to zero and one, respectively. However, foams are known to undergo a jamming transition from a fluidlike to a solidlike state at an intermediate gas fraction φc. Much less is known about coarsening dynamics in wet foams near jamming, and the link to mechanical response, if any, remains poorly understood. Here we probe coarsening and mechanical response using numerical simulations of a variant of the Durian bubble model for wet foams. As in other coarsening systems we find a steady state scaling regime with an associated particle size distribution. We relate the time rate of evolution of the coarsening process to the wetness of the foam and identify a characteristic coarsening time that diverges approaching jamming. We further probe mechanical response of the system to strain while undergoing coarsening. There are two competing timescales, namely the coarsening time and the mechanical relaxation time. We relate these to the evolution of the elastic response and the mechanical structure. en
dc.format.extent 1-9
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Physical Review E en
dc.relation.ispartofseries Volume 98, issue 1 en
dc.rights openAccess en
dc.subject.other Statistical and Nonlinear Physics en
dc.subject.other Statistics and Probability en
dc.subject.other Condensed Matter Physics en
dc.subject.other 114 Physical sciences en
dc.title Coarsening and mechanics in the bubble model for wet foams en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Complex Systems and Materials
dc.contributor.department Delft University of Technology
dc.contributor.department Department of Applied Physics en
dc.subject.keyword Statistical and Nonlinear Physics
dc.subject.keyword Statistics and Probability
dc.subject.keyword Condensed Matter Physics
dc.subject.keyword 114 Physical sciences
dc.identifier.urn URN:NBN:fi:aalto-201808214690
dc.identifier.doi 10.1103/PhysRevE.98.012607
dc.type.version publishedVersion

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