Analytic dependence of the pressure and energy of an atomic fluid under shear.

Marcelli, Gianluca, Todd, Billy Dean, Sadus, Richard J. (2001) Analytic dependence of the pressure and energy of an atomic fluid under shear. Physical review. E, Statistical, nonlinear, and soft matter physics, 63 (2). 021204. ISSN 1539-3755. (doi:10.1103/PhysRevE.63.021204) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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http://dx.doi.org/10.1103/PhysRevE.63.021204

Abstract

Nonequilibrium molecular dynamics simulations are reported at different strain rates (gamma;) for a shearing atomic fluid interacting via accurate two- and three-body potentials. We report that the hydrostatic pressure has a strain-rate dependence of gamma;(2), in contrast to the gamma;(3/2) dependence predicted by mode-coupling theory. Our results indicate that the pressure and energy of real fluids may display an analytic dependence on the strain rate. This is in contrast to previous work using either Lennard-Jones or Weeks-Chandler-Anderson potentials that had shown a gamma;(3/2) dependence of pressure and energy.

Item Type: Article
DOI/Identification number: 10.1103/PhysRevE.63.021204
Subjects: Q Science > QC Physics > QC173.45 Condensed Matter
Divisions: Faculties > Sciences > School of Engineering and Digital Arts > Instrumentation, Control and Embedded Systems
Depositing User: Gianluca Marcelli
Date Deposited: 09 Nov 2015 13:47 UTC
Last Modified: 29 May 2019 16:17 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/51528 (The current URI for this page, for reference purposes)
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