Issue |
ESAIM: M2AN
Volume 49, Number 2, March-April 2015
|
|
---|---|---|
Page(s) | 421 - 458 | |
DOI | https://doi.org/10.1051/m2an/2014039 | |
Published online | 19 February 2015 |
On the stable numerical approximation of two-phase flow with insoluble surfactant
1 Department of Mathematics, Imperial College, London, SW7 2AZ, UK.
j.barrett@imperial.ac.uk; robert.nurnberg@imperial.ac.uk
2 Fakultät für Mathematik, Universität Regensburg, 93040 Regensburg, Germany.
harald.garcke@ur.de
Received: 18 November 2013
Revised: 25 June 2014
We present a parametric finite element approximation of two-phase flow with insoluble surfactant. This free boundary problem is given by the Navier–Stokes equations for the two-phase flow in the bulk, which are coupled to the transport equation for the insoluble surfactant on the interface that separates the two phases. We combine the evolving surface finite element method with an approach previously introduced by the authors for two-phase Navier–Stokes flow, which maintains good mesh properties. The derived finite element approximation of two-phase flow with insoluble surfactant can be shown to be stable. Several numerical simulations demonstrate the practicality of our numerical method.
Mathematics Subject Classification: 35Q35 / 65M12 / 76D05 / 76D27 / 76M10
Key words: Incompressible two-phase flow / insoluble surfactants / finite elements / front tracking / ALE ESFEM
© EDP Sciences, SMAI, 2015
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