Abstract
Standard algorithms used for the numerical integration of the Langevin equation require that interactions should slowly vary during the integration time-step. This in not the case for hard-body systems, where there is no clear-cut between the correlation time of the noise and the time-scale of the interactions. Starting with a short time approximation of the Smoluchowski equation, we introduce an algorithm for the simulation of the over-damped Brownian dynamics of polydisperse hard-spheres in absence of hydrodynamic interactions and briefly discuss the extension to the case of external drifts.
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Scala, A. Brownian dynamics simulation of polydisperse hard spheres. Eur. Phys. J. Spec. Top. 216, 21–29 (2013). https://doi.org/10.1140/epjst/e2013-01725-3
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DOI: https://doi.org/10.1140/epjst/e2013-01725-3