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Two-component aerosol dynamic simulation using differentially weighted operator splitting Monte Carlo method

机译：差分加权算子分裂蒙特卡罗方法模拟两组分气溶胶动力学

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摘要

A differentially weighted operator splitting Monte Carlo (DWOSMC) method is further developed to study multi-component aerosol dynamics. The proposed method involves the use of an excellent combination of stochastic and deterministic approaches. Component-related particle volume density distributions are examined, and the computational accuracy and efficiency of the two-component DWOSMC method is verified against a sectional method. For the one-component aerosol system, the sectional method is more computationally efficient than the DWOSMC method, while for two-component aerosol systems, the DWOSMC method proves to be much more computationally efficient than the sectional method. Using this newly developed multi-component DWOSMC method, compositional distributions of particles can be obtained to determine simultaneous coagulation and condensation processes that occur in different regimes of two-component aerosol systems.
机译：进一步开发了一种差分加权算子分裂蒙特卡洛（DWOSMC）方法来研究多组分气溶胶动力学。所提出的方法涉及随机和确定性方法的完美结合。检查了与组分有关的颗粒体积密度分布，并针对截面方法验证了双组分DWOSMC方法的计算精度和效率。对于单组分气溶胶系统，分段方法比DWOSMC方法具有更高的计算效率，而对于两组分气溶胶系统，DWOSMC方法则比分段方法具有更高的计算效率。使用这种新开发的多组分DWOSMC方法，可以获得颗粒的成分分布，以确定在两种组分气溶胶系统的不同状态下同时发生的凝结和凝结过程。

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