TY - GEN
T1 - Multi-objective aerodynamic optimization of truck deflector using genetic algorithm and CFD method
AU - Zhao, Xu
AU - Han, Tianshi
AU - Yang, Qiuping
PY - 2010
Y1 - 2010
N2 - Based on the aerodynamic theory and CFD method, the single/multi-objective aerodynamic optimization design of a truck deflector is completed. During the process, two approaches have been developed separately to improve its performance; (A) a suitable cut transversely on the back yard of the circular deflector; (B) deflector reshaping using B-spline. For single-objective optimization, truck speed is fixed as the precondition, drag is set to be the objective. Moreover, the multi-objective optimization is arranged by Hybrid Genetic Algorithm (HGA), including drag and aerodynamic acoustics. This research indicates that both approaches can improve the local flow status, and provide a better characteristics in reducing drag (4. 50%-6. 23% and 3.16%-4. 03% respectively) and acoustics, which is valuable both in academic research practical application.
AB - Based on the aerodynamic theory and CFD method, the single/multi-objective aerodynamic optimization design of a truck deflector is completed. During the process, two approaches have been developed separately to improve its performance; (A) a suitable cut transversely on the back yard of the circular deflector; (B) deflector reshaping using B-spline. For single-objective optimization, truck speed is fixed as the precondition, drag is set to be the objective. Moreover, the multi-objective optimization is arranged by Hybrid Genetic Algorithm (HGA), including drag and aerodynamic acoustics. This research indicates that both approaches can improve the local flow status, and provide a better characteristics in reducing drag (4. 50%-6. 23% and 3.16%-4. 03% respectively) and acoustics, which is valuable both in academic research practical application.
KW - Aerodynamic acoustics
KW - CFD
KW - Drag
KW - Erspline
KW - Hybrid genetic algorithm
UR - http://www.scopus.com/inward/record.url?scp=84914111159&partnerID=8YFLogxK
M3 - 会议稿件
AN - SCOPUS:84914111159
T3 - Proceedings of 2010 Asia-Pacific International Symposium on Aerospace Technology, APISAT 2010
SP - 432
EP - 434
BT - Proceedings of 2010 Asia-Pacific International Symposium on Aerospace Technology, APISAT 2010
PB - Northwestern Polytechnical University
T2 - 2010 Asia-Pacific International Symposium on Aerospace Technology, APISAT 2010
Y2 - 13 September 2010 through 15 September 2010
ER -