On the moving contact line singularity: Asymptotics of a diffuse-interface model

Sibley, David N., Nold, Andreas, Savva, Nikos ORCID: https://orcid.org/0000-0003-1549-3154 and Kalliadasis, Serafim 2013. On the moving contact line singularity: Asymptotics of a diffuse-interface model. The European Physical Journal E 36 (3) , 26. 10.1140/epje/i2013-13026-y

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Abstract

The behaviour of a solid-liquid-gas system near the three-phase contact line is considered using a diffuse-interface model with no-slip at the solid and where the fluid phase is specified by a continuous density field. Relaxation of the classical approach of a sharp liquid-gas interface and careful examination of the asymptotic behaviour as the contact line is approached is shown to resolve the stress and pressure singularities associated with the moving contact line problem. Various features of the model are scrutinised, alongside extensions to incorporate slip, finite-time relaxation of the chemical potential, or a precursor film at the wall.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Mathematics
Subjects:	Q Science > QA Mathematics
Publisher:	Springer
ISSN:	1292-8941
Last Modified:	24 Oct 2022 10:42
URI:	https://orca.cardiff.ac.uk/id/eprint/45493

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