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Particle methods for multiscale simulation of complex flows

机译:用于复杂流的多尺度模拟的粒子方法

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摘要

The multi-scale structures of complex flows have been great challenges to both theoretical and engineering researches, and multi-scale modeling is the natural way in response. Particle methods (PMs) are ideal constitutors and powerful probes of multi-scale models, owing to their physical insight and computational simplicity. In this paper, the role of different PMs for multi-scale modeling of complex flows is critically reviewed and possible development of PMs in this background is prospected, with the emphasis on pseudo-particle modeling (PPM). The performances of some different PMs are compared in simulations and new development in the fundamentals and applications of PPM is also reported, demonstrating PPM as a unique PM for multi-scale modeling.
机译:复杂流的多尺度结构一直是理论和工程研究的巨大挑战,而多尺度建模是自然的应对方法。粒子方法(PM)由于其物理见识和计算简单性,是多尺度模型的理想构造者和有力的探索者。在本文中,严格审查了不同PM在多尺度复杂流建模中的作用,并展望了在此背景下PM的可能发展,重点是伪粒子建模(PPM)。在仿真中比较了一些不同PM的性能,并报告了PPM的原理和应用方面的新发展,这证明PPM是用于多尺度建模的独特PM。

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