期刊
JOURNAL OF CHEMICAL PHYSICS
卷 138, 期 6, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4790581
关键词
-
资金
- European Union [PITN-GA-2008-214919]
We study equilibrium properties of polymer films and droplets on a solid substrate employing particle-based simulation techniques (molecular dynamics) and a continuum description. Parameter-passing techniques are explored that facilitate a detailed comparison of the two models. In particular, the liquid-vapor, solid-liquid, and solid-vapor interface tensions, and the Derjaguin or disjoining pressure are determined by molecular dynamics simulations. This information is then introduced into continuum descriptions accounting for (i) the full curvature and (ii) a long-wave approximation of the curvature (thin film model). A comparison of the dependence of the contact angle on droplet size indicates that the theories agree well if the contact angles are defined in a compatible manner. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4790581]
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