机械科学与技术2012，Vol.31Issue(11)：1721-1725,5.
基于综合集成的减阻肋条最优夹角设计方法研究
Research on Method for Optimal Design of Reblets Angle Based on Comprehensive Integration
摘要
Abstract
Based on comprehensive integration technology, the method for optimal design of V-riblets angle was ex- plored using iSIGHT optimal design platform integrated with fluid dynamics simulation software Fluent. Using Reyn- olds Averaged N-S formula and RNGκ-ε turbulence model, the riblets reduction characteristic was numerically sim- ulated. According to the characteristics of the riblets, computational model, computational grid and boundary con- ditions were reasonably processed in the numerical simulation. Based on the least resistance, the optimal design model for reblets angle was established, and the reblets angle was optimally designed by adopting the two-stage combining optimal program of overall search based on adaptive simulated annealing algorithm and partial optimal search of sequential quadratic programming. The result shows that V-reblets drag decreases after the optimal de- sign; the relative drag reduction reaches 5.5 % ; the drag-reducing effect of reblets are greatly improved compared with the initial value, which provides the optimal angle a new method for the optimal design of reblets.关键词
综合集成/数值仿真/肋条减阻/最优夹角Key words
comprehensive integration/integration/numerical simulation/drag reduction/optimal angle/riblet分类
数理科学引用本文复制引用
宋保维,朱崎峰,刘占一..基于综合集成的减阻肋条最优夹角设计方法研究[J].机械科学与技术,2012,31(11):1721-1725,5.
