A stochastic Trotter integration scheme for dissipative particle dynamics

M. Serrano, G. De Fabritiis, P. Español and P.V. Coveney

Mathematics and Computers in Simulation (MATCOM), 2006, vol. 72, issue 2, 190-194

Abstract: In this article we show in detail the derivation of an integration scheme for the dissipative particle dynamic model (DPD) using the stochastic Trotter formula [G. De Fabritiis, M. Serrano, P. Español, P.V. Coveney, Phys. A 361 (2006) 429]. We explain some subtleties due to the stochastic character of the equations and exploit analyticity in some interesting parts of the dynamics. The DPD–Trotter integrator demonstrates the inexistence of spurious spatial correlations in the radial distribution function for an ideal gas equation of state. We also compare our numerical integrator to other available DPD integration schemes.

Keywords: Trotter stochastic formula; Dissipative particle dynamics (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:72:y:2006:i:2:p:190-194

DOI: 10.1016/j.matcom.2006.05.019

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