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http://hdl.handle.net/10397/106546
Title: | A stochastically weighted operator splitting Monte Carlo (SWOSMC) method for the numerical simulation of complex aerosol dynamic processes | Authors: | Liu, S Chan, TL |
Issue Date: | 2017 | Source: | International journal of numerical methods for heat and fluid flow, 2017, v. 27, no. 1, p. 263-278 | Abstract: | Purpose: The purpose of this paper is to study the complex aerosol dynamic processes by using this newly developed stochastically weighted operator splitting Monte Carlo (SWOSMC) method. Design/methodology/approach: Stochastically weighted particle method and operator splitting method are coupled to formulate the SWOSMC method for the numerical simulation of particle-fluid systems undergoing the complex simultaneous processes. Findings: This SWOSMC method is first validated by comparing its numerical simulation results of constant rate coagulation and linear rate condensation with the corresponding analytical solutions. Coagulation and nucleation cases are further studied whose results are compared with the sectional method in excellent agreement. This SWOSMC method has also demonstrated its high numerical simulation capability when used to deal with simultaneous aerosol dynamic processes including coagulation, nucleation and condensation. Originality/value: There always exists conflict and tradeoffs between computational cost and accuracy for Monte Carlo-based methods for the numerical simulation of aerosol dynamics. The operator splitting method has been widely used in solving complex partial differential equations, while the stochastic-weighted particle method has been commonly used in numerical simulation of aerosol dynamics. However, the integration of these two methods has not been well investigated. |
Keywords: | Operator splitting Simultaneous aerosol dynamics Stochastic weighted particle method |
Publisher: | Emerald Publishing Limited | Journal: | International journal of numerical methods for heat and fluid flow | ISSN: | 0961-5539 | EISSN: | 1758-6585 | DOI: | 10.1108/HFF-08-2015-0335 | Rights: | © Emerald Publishing Limited. This AAM is provided for your own personal use only. It may not be used for resale, reprinting, systematic distribution, emailing, or for any other commercial purpose without the permission of the publisher. The following publication Liu, S. and Chan, T.L. (2017), "A stochastically weighted operator splitting Monte Carlo (SWOSMC) method for the numerical simulation of complex aerosol dynamic processes", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 27 No. 1, pp. 263-278 is published by Emerald and is available at https://doi.org/10.1108/HFF-08-2015-0335. |
Appears in Collections: | Journal/Magazine Article |
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Chan_Stochastically_Weighted_Operator.pdf | Pre-Published version | 623.95 kB | Adobe PDF | View/Open |
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