浸没边界格子Boltzmann方法的改进及转动圆柱绕流模拟

王露; 李天匀; 朱翔; 郭文杰

doi:10.3969/j.issn.1673-3185.2016.06.015

浸没边界格子Boltzmann方法的改进及转动圆柱绕流模拟

王露^1,2,
李天匀^1,2, ,,
朱翔^1,2,
郭文杰^1,2

1 华中科技大学船舶与海洋工程学院, 湖北武汉 430074;
2 华中科技大学船舶和海洋水动力湖北省重点实验室, 湖北武汉 430074

基金项目:

国家自然科学基金资助项目（51379083，51479079，51579109）；高等学校博士学科点专项科研基金资助项目（20120142110051）

详细信息

作者简介:
王露,男,1991年生,硕士生。研究方向:船舶与海洋结构物设计制造。E-mail:1229398383@qq.com

通讯作者:
李天匀(通信作者),男,1969年生,教授,博士生导师。研究方向:结构振动噪声分析。E-mail:ltyz801@hust.edu.cn

中图分类号: U661.1
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出版历程
- 收稿日期: 2015-12-16
- 网络出版日期: 2023-02-10
- 刊出日期: 2016-12-02

Improved immersed boundary lattice Boltzmann method and simulation of flow over rotating cylinder

WANG Lu^1,2,
LI Tianyun^1,2, ,,
ZHU Xiang^1,2,
GUO Wenjie^1,2

1 School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;
2 Hubei Key Laboratory of Naval Architecture and Ocean Engineering Hydrodynamics, Huazhong University of Technology and Science, Wuhan 430074, China

浸没边界格子Boltzmann方法的改进及转动圆柱绕流模拟王露，采用知识共享署名4.0国际许可协议进行许可。

摘要

摘要: 针对浸没边界格子Boltzmann方法计算效率不足的问题，提出一种改进浸没边界格子Boltzmann方法。通过使用作用力格子Boltzmann模型，并简化流固耦合作用力的计算方法，使计算流程得到简化，同时，对比原方法转动圆柱绕流计算结果，计算时间缩短一半以上，提高了数值计算效率。结合改进算法研究转动圆柱绕流的流场升阻力系数、压力系数、流场速度等流体参数场随转速比的关系，揭示了一定的转动圆柱绕流动力学规律。研究结果表明，改进方法准确可靠。
- 流固耦合 /
- 格子Boltzmann方法 /
- 浸没边界法 /
- 转动圆柱绕流
Abstract: Based on Suzuki's immersed boundary lattice Boltzmann method, an improved approach is proposed. By adopting the force model of the lattice Boltzmann method and improving the technique of fluid structure interaction force calculation, the process of calculating the force of fluid structure interaction is simplified. Moreover,its calculation time is over 50% shorter than that of the original method, which means that efficiency is greatly improved. Based on the improved method, such features as lift coefficient, drag coefficient,pressure coefficient and flow field are discussed under different conditions of flow over a rotating cylinder. Compared with the related results, this new improved method is shown to be accurate and reliable.
- fluid structure interaction /
- lattice Boltzmann method /
- immersed boundary method /
- flow around rotating cylinder

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参考文献(20)

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