| Smoluchowski thermostat: a realistic introduction of the tangential momentum accommodation coefficient. | |
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MedLine Citation:
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PMID: 20481854 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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This work presents a simulation technique that can be used to compute the thermal interaction between a gas and a cylindrically shaped wall. The method is computationally simple and is based on the Maxwell-Smoluchowski thermal wall scenario often used for the slit pore geometry. A geometric argument is used to find the corresponding thermalization mechanism for the cylindrical confinement. The algorithm serves as a thermostat, which enables one to perform constant-temperature simulations. By means of simple numerical simulations, Smoluchowski's expression for self-diffusivity D s is then recovered in reduced units. The tangential momentum accommodation coefficient is interpreted as a coupling constant for the thermostat similar to the one used for the ordinary Andersen thermostat but applied locally onto the boundary crossing particles. |
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Authors:
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Martijn G Verbeek |
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Publication Detail:
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Type: Journal Article Date: 2010-04-12 |
Journal Detail:
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Title: Physical review. E, Statistical, nonlinear, and soft matter physics Volume: 81 ISSN: 1550-2376 ISO Abbreviation: Phys Rev E Stat Nonlin Soft Matter Phys Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-05-20 Completed Date: 2010-08-11 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101136452 Medline TA: Phys Rev E Stat Nonlin Soft Matter Phys Country: United States |
Other Details:
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Languages: eng Pagination: 046701 Citation Subset: - |
Affiliation:
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Dibbitsstraat 12, 1689 EE, Zwaag, The Netherlands. gustafverbeek@gmail.com |
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