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首页> 外文会议>International Conference on Simulation and Modeling Methodologies, Technologies and Applications >A Fast, Efficient Multi-Direct Forcing of Immersed Boundary Method for Flow in Complex Geometry
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A Fast, Efficient Multi-Direct Forcing of Immersed Boundary Method for Flow in Complex Geometry

机译：快速，高效的复杂几何流动浸没边界法的多直接强制

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摘要

The Immersed Boundary method (IBM) has received wide attention from last decade, due to its promising application to solve the fluid-solid interaction problems in large quantities of practical engineering areas. This paper implemented IBM with Multi-Direct-Forcing (MDF), presenting the evaluation of momentum forces on the body surface - interaction forces between fluid-solid. Grounded on the Multi-Direct-Forcing method, we constructed a new system that could be efficiently and fast solved. Meanwhile, this proposed algorithm is easy to code and implement parallelization. Besides, it can be extended to three-dimensional simulation without much more extra efforts. Accuracy of the proposed MDF immersed boundary method has been investigated, as well as some applications such as flow past the cylinder at a set of low Reynolds numbers.
机译：由于其希望在大量实际工程领域解决流体 - 固体相互作用问题，因此沉浸式边界法（IBM）从去年开始受到广泛的关注。本文实施了具有多直接强制（MDF）的IBM，呈现对体表表面的动量力的评估 - 在流体固体之间的相互作用力。在多直接迫使方法上接地，我们构建了一个可以有效和快速解决的新系统。同时，这种提出的算法易于编码并实现并行化。此外，它可以扩展到三维仿真，没有更多的额外努力。已经研究了所提出的MDF浸没边界法的准确性，以及一些应用，例如在一组低雷诺数的汽缸中流过汽缸。

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