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《China Mechanical Engineering》 2018-07
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Research on Vehicle Stability under Crosswind Conditions by Dynamic Coupling Method

LUO Zexuan;GU Zhengqi;HUANG Taiming;FENG Chengjie;LI Shuya;State Key Laboratory of Advanced Design and Manufacture for Vehicle Body of Hunan University;Hunan University of Arts and Science;  
For the study of vehicle stability under crosswind conditions,through the analyses of computational fluid dynamics(CFD)software FLUENT dynamic meshes and UDF,a dynamic coupling method was proposed combined with two-way coupling communication technology.The aerodynamics with vehicle dynamics was coupled.And the simulation results of dynamic coupling were compared with that of traditional static coupling.The influences of different wind speeds on vehicle crosswind stability were analyzed by dynamic coupling method.The calculation results indicate that vehicle stability under crosswind conditions by dynamic coupling method is worse than that by static coupling method,and the vehicle crosswind stability decreases with the increase of crosswinds.
【Fund】: 国家自然科学基金资助项目(51705150);; 长沙市科技计划资助重点项目(k1501011-11);; 中央财政支持地方高校专项资金资助项目(0420036017);; 交通运输部新世纪十百千人才培养项目(20120222);; 湖南省教育厅优秀青年项目(16b148);; 湖南大学汽车车身先进设计与制造国家重点实验室自主课题(734215002)
【CateGory Index】: U461.1
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