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Energy and pressure of shearing fluids at different state points.

Ge, Jialin, Marcelli, Gianluca, Todd, Billy Dean, Sadus, Richard J. (2001) Energy and pressure of shearing fluids at different state points. Physical review. E, Statistical, nonlinear, and soft matter physics, 64 (2). 021201. ISSN 1539-3755. (doi:10.1103/PhysRevE.64.021201) (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)

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. (Contact us about this Publication)
Official URL
http://www.dx.doi.org/10.1103/PhysRevE.64.021201

Abstract

Nonequilibrium molecular dynamics simulations are reported at different strain rates (gamma) and thermodynamic state points for a shearing atomic fluid interacting via a Lennard-Jones potential. Our simulations are performed at the Lennard-Jones triple point, a point midway between the triple point and the critical point, and a high point closer to the critical temperature. We find that, for the mid-point and high point, the energy and hydrostatic pressures have strain-rate dependencies of gamma(2), in contrast to the gamma(3/2) dependencies predicted by mode coupling theory. This analytical dependence is consistent with a Taylor series expansion of these quantities as powers of the strain rate tensor. Only at the triple point does the pressure and energy display a nonanalytical dependence on gamma(3/2).

Item Type: Article
DOI/Identification number: 10.1103/PhysRevE.64.021201
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 13:36 UTC
Last Modified: 29 May 2019 16:17 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/51526 (The current URI for this page, for reference purposes)
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