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  Numerical solutions of thin-film equations for polymer flows

Salez, T., McGraw, J. D., Cormier, S. L., Bäumchen, O., Dalnoki-Veress, K., & Raphael, E. (2012). Numerical solutions of thin-film equations for polymer flows. The European Physical Journal E: Soft Matter and Biological Physics, 35: 114. doi:10.1140/epje/i2012-12114-x.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-768C-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-768D-8
Genre: Journal Article

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 Creators:
Salez, Thomas1, Author
McGraw, Joshua D.1, Author
Cormier, Sara L.1, Author
Bäumchen, Oliver2, Author              
Dalnoki-Veress, Kari 1, Author
Raphael, Elie1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Group Dynamics of fluid and biological interfaces, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063300              

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 Abstract: We report on the numerical implementation of thin-film equations that describe the capillary-driven evolution of viscous films, in two-dimensional configurations. After recalling the general forms and features of these equations, we focus on two particular cases inspired by experiments: the leveling of a step at the free surface of a polymer film, and the leveling of a polymer droplet over an identical film. In each case, we first discuss the long-term self-similar regime reached by the numerical solution before comparing it to the experimental profile. The agreement between theory and experiment is excellent, thus providing a versatile probe for nanorheology of viscous liquids in thin-film geometries.

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Language(s): eng - English
 Dates: 2012-11-122012-11
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1140/epje/i2012-12114-x
BibTex Citekey: salez-epje-2012
 Degree: -

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Title: The European Physical Journal E: Soft Matter and Biological Physics
Source Genre: Journal
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Publ. Info: Les Ulis; Bologna; Heidelberg : EDP Sciences; Società Italiana di Fisica; Springer
Pages: 9 Volume / Issue: 35 Sequence Number: 114 Start / End Page: - Identifier: ISSN: 1292-8941
CoNE: https://pure.mpg.de/cone/journals/resource/954925624277_2