Thermodynamically admissible form for discrete hydrodynamics
Statistical Mechanics
2009-10-31 v1 Soft Condensed Matter
Abstract
We construct a discrete model of fluid particles according to the GENERIC formalism. The model has the form of Smoothed Particle Hydrodynamics including correct thermal fluctuations. A slight variation of the model reproduces the Dissipative Particle Dynamics model with any desired thermodynamic behavior. The resulting algorithm has the following properties: mass, momentum and energy are conserved, entropy is a non-decreasing function of time and the thermal fluctuations produce the correct Einstein distribution function at equilibrium.
Cite
@article{arxiv.cond-mat/9901101,
title = {Thermodynamically admissible form for discrete hydrodynamics},
author = {Pep Español and Hans Christian Öttinger},
journal= {arXiv preprint arXiv:cond-mat/9901101},
year = {2009}
}
Comments
4 pages