Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/66116
Title: A stochastically weighted operator splitting Monte Carlo (SWOSMC) method for the numerical simulation of complex aerosol dynamic processes
Authors: Liu, S
Chan, TL 
Keywords: Operator splitting
Simultaneous aerosol dynamics
Stochastic weighted particle method
Issue Date: 2017
Publisher: Emerald Group Publishing Limited
Source: International journal of numerical methods for heat and fluid flow, 2017, v. 27, no. 1, p. 263-278 How to cite?
Journal: International journal of numerical methods for heat and fluid flow 
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.
URI: http://hdl.handle.net/10397/66116
EISSN: 0961-5539
DOI: 10.1108/HFF-08-2015-0335
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