用光滑颗粒流体力学模拟两相流

2008 IEEE International Symposium on Knowledge Acquisition and Modeling Workshop Pub Date : 2008-12-01 DOI:10.1109/KAMW.2008.4810710

Jiao Peigang, Zhou Yiqi, Li Zirui, Chen Lei

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引用次数: 3

摘要

利用光滑粒子流体力学方法研究了两相流问题。SPH方法结合了无网格特性和拉格朗日特性，在处理两相流过程中的大变形、大不均匀性和追踪界面方面具有优势。使用ACES开发的SPH代码解决了两个案例。结果表明，模拟结果能够较好地反映两相流的形状和位置等主要物理特性。本文所提出的两相SPH方法，只要适当地定义输入条件、边界条件和相应的状态方程等仿真控制参数，就可以很容易地扩展到处理两相流的许多其他问题。

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Simulation of Two-phase Flow Using Smoothed Particle Hydrodynamics

Two-phase flow problems are presented using the method of smoothed particle hydrodynamics (SPH). The combination of meshless and lagrangian nature inherent in the SPH method offers the advantages in treating large deformations, large inhomogeneities and tracing interfaces in the two-phase flow process. Two cases are solved using a SPH code developed at ACES. It is found that major physics of the two-phase flow such as shape and location can be well captured in the simulation. Two-phase SPH method presented in this paper can be easily extended to deal with many other problems of two-phase flow if simulation control parameters such as input condition, boundary condition and corresponding equation of state etc. are defined properly.

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2008 IEEE International Symposium on Knowledge Acquisition and Modeling Workshop

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