Volume 40, Number 6, December II 1997
|Page(s)||631 - 636|
|Section||Classical areas of phenomenology|
|Published online||01 September 2002|
Dissipative particle dynamics with energy conservation
Departamento de Física Fundamental, UNED,
Apartado 60141, 28080 Madrid, Spain
Corresponding author: firstname.lastname@example.org
Accepted: 24 October 1997
Dissipative particle dynamics (DPD) does not conserve energy and this precludes its use in the study of thermal processes in complex fluids. We present here a generalization of DPD that incorporates an internal energy and a temperature variable for each particle. The dissipation induced by the dissipative forces between particles is invested in raising the internal energy of the particles. Thermal conduction occurs by means of (inverse) temperature differences. The model can be viewed as a simplified solver of the fluctuating hydrodynamic equations and opens up the possibility of studying thermal processes in complex fluids with a mesoscopic simulation technique.
PACS: 47.11.+j – Computational methods in fluid dynamics / 05.70.Ln – Nonequilibrium thermodynamics, irreversible processes
© EDP Sciences, 1997
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