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Erschienen in: Soft Computing 8/2013

01.08.2013 | Focus

Reliable kinetic Monte Carlo simulation based on random set sampling

verfasst von: Yan Wang

Erschienen in: Soft Computing | Ausgabe 8/2013

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Abstract

Kinetic Monte Carlo (KMC) method has been widely used in simulating rare events such as chemical reactions or phase transitions. Yet lack of complete knowledge of transitions and the associated rates is one major challenge for accurate KMC predictions. In this paper, a reliable KMC (R-KMC) mechanism is proposed in which sampling is based on random sets instead of random numbers to improve the robustness of KMC results. In R-KMC, rates or propensities are interval estimates instead of precise numbers. A multi-event algorithm based on generalized interval probability is developed. The weak convergence of the multi-event algorithm towards the traditional KMC is demonstrated with a generalized Chapman–Kolmogorov equation.

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Metadaten
Titel
Reliable kinetic Monte Carlo simulation based on random set sampling
verfasst von
Yan Wang
Publikationsdatum
01.08.2013
Verlag
Springer Berlin Heidelberg
Erschienen in
Soft Computing / Ausgabe 8/2013
Print ISSN: 1432-7643
Elektronische ISSN: 1433-7479
DOI
https://doi.org/10.1007/s00500-013-1013-y

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