Accurate Computation of Airfoil Flow Based on the Lattice Boltzmann Method

被引：3

作者：

Wang, Liangjun ^{[1
]}

Zhang, Xiaoxiao ^{[1
]}

Zhu, Wenhao ^{[1
]}

Xu, Kangle ^{[2
]}

Wu, Weiguo ^{[3
]}

Chu, Xuesen ^{[4
]}

Zhang, Wu ^{[1
,5
]}

机构：

[1] Shanghai Univ, Sch Comp Engn & Sci, Shanghai 200444, Peoples R China

[2] Shanghai Aircraft Design & Res Inst, Shanghai 201206, Peoples R China

[3] Xi An Jiao Tong Univ, Dept Comp Sci & Technol, Xian 710049, Peoples R China

[4] Natl Supercomp Ctr Wuxi, Wuxi 214072, Jiangsu, Peoples R China

[5] Shanghai Inst Appl Math & Mech, Shanghai 200444, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2019年 / 9卷 / 10期

基金：

中国国家自然科学基金;

关键词：

parallel computing; Pflops supercomputer; LBM; NACA airfoil; NACA; 0012; AIRFOIL; DYNAMIC STALL; PERFORMANCE; SIMULATION;

D O I：

10.3390/app9102000

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The lattice Boltzmann method (LBM) is an important numerical algorithm for computational fluid dynamics. This study designs a two-layer parallel model for the Sunway TaihuLight supercomputer SW26010 many-core processor, which implements LBM algorithms and performs optimization. Numerical experiments with different problem sizes proved that the proposed model has better parallel performance and scalability than before. In this study, we performed numerical simulations of the flows around the two-dimensional (2D) NACA0012 airfoil, and the results of a series of flows around the different angles of attack were obtained. The results of the pressure coefficient and lift coefficient were in good agreement with those in the literature.

引用

页数：14

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