Ergodic Simulations for Diffusion in Random Velocity Fields

Nicolae Suciu (), Călin Vamos () and Karl Sabelfeld ()
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Nicolae Suciu: Friedrich-Alexander University of Erlangen-Nuremberg, Institute of Applied Mathematics
Călin Vamos: Romanian Academy, T. Popoviciu Institute of Numerical Analysis
Karl Sabelfeld: Weierstrass Institute for Applied Analysis and Stochastics

A chapter in Monte Carlo and Quasi-Monte Carlo Methods 2006, 2008, pp 659-668 from Springer

Abstract: Summary Ergodic simulations aim at estimating ensemble average characteristics of diffusion in random fields from space averages. The traditional approach, based on large supports of the initial concentration in general fails to obtain ergodic simulations. However, such simulations, using single realizations of the velocity, are shown to be feasible if space averages with respect to the location of the initial concentration support are used to estimate ensemble averages.

Keywords: Point Source; Space Average; Ensemble Average; Large Source; Transport Simulation (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-74496-2_40

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DOI: 10.1007/978-3-540-74496-2_40

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