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Numerical simulation of the coupling problems of a solid sphere impacting on a liquid free surface
KTH, School of Engineering Sciences (SCI), Mechanics, Physicochemical Fluid Mechanics.ORCID iD: 0000-0003-2830-0454
KTH, School of Engineering Sciences (SCI), Mechanics, Physicochemical Fluid Mechanics.ORCID iD: 0000-0003-3336-1462
2010 (English)In: Mathematics and Computers in Simulation, ISSN 0378-4754, Vol. 80, no 8, 1664-1673 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a model, using a phase-field method, that is able to simulate the motion of a solid sphere impacting on a liquid surface, including the effects of capillary and hydrodynamic forces. The basic phenomena that were the subject of our research effort are the small scale mechanism such as the wetting property of the solid surface which control the large scale phenomena of the interaction. The coupled problem during the impact will be formulated by the inclusion of the surface energies of the solid surface in the formulation, which gives a reliable prediction of the motion of solid objects in/on/out of a liquid surface and the hydrodynamic behaviours at small scales when the inertia of fluid is less important than its surface tension. Numerical results at different surface wettabilities and impact conditions will be presented and compared with the experiments of Duez el al. [C. Duez, C. Ybert, C. Clanet, L. Bocquet, Nat. Phys. 3 (2007) 180-183] and Lee and Kim [D. Lee. H. Kim, Langmuir 24 (1) (2008) 142]. (C) 2009 IMACS. Published by Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2010. Vol. 80, no 8, 1664-1673 p.
Keyword [en]
Numerical simulation, Solid-liquid impact, Cahn-Hilliard, Free interface, Wetting contact angle
National Category
Computer Science Computational Mathematics
Identifiers
URN: urn:nbn:se:kth:diva-29687DOI: 10.1016/j.matcom.2009.02.015ISI: 000278820500011Scopus ID: 2-s2.0-77953139962OAI: oai:DiVA.org:kth-29687DiVA: diva2:398561
Note
QC 20110218Available from: 2011-02-18 Created: 2011-02-11 Last updated: 2011-02-18Bibliographically approved

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Do-Quang, MinhAmberg, Gustav

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