基于自适应模拟退火优化算法的车轮阻风板降阻分析

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主题词：降阻优化全局寻优计算流体动力学仿真风洞试验 自适应模拟退火中图分类号：U461.1 文献标志码：A DOI：10.19620/j.cnki.1000-3703.20241010

Analysis on Aerodynamic Drag Reduction of Vehicle Wheel Deflector Based on ASA Optimization Algorithm

Gu Jing，Chen Yi，Du Yafei，Huang Weijie，Zhang Quanzhou，Wang Qingyang （China Automotive Engineering Research Institute Co.，Ltd.， Chongqing 401122）

【Abstract】Inorder tooptimize theunderbody flow fieldof vehicleefficientlyandreduce aerodynamicdrag，this paper takesaelectricvehicleastheresearchoject，andproposesamultivariatejoint globalotimizationmethod.Firstly，osidering the influenceofRPRfixturess，the methodwhichcombines CFD simulationandwind tunneltest isapplied toverify the efectivenessoftheinitialoptimizationschemeandthereliabilityoftheanalysismethod;Then，basedonDOE，surogatemodel and ASAalgorithm，twooptimizationschemes areused toreduceaerodynamicdrag：optimizationoffrontwheeldeflector，and jointoptimizationoffrontandrearwheeldeflector.Finalywindtunneltestsareconductedforverification.Thetestesults showthat，multivariateoptimizationoffrontwheeldeflectorhasthebestdragreductionefect，thedragcoeficientoftheoptimal scheme is reduced by 5.5% compared to the original model.

Key words：Aerodynamic optimization，Global optimization，Computational Fluid Dynamics （CFD） simulation，Wind tunnel test， Adaptive Simulated Annealing （ASA）

【引用格式】古静，陈亿，杜亚非，等.基于自适应模拟退火优化算法的车轮阻风板降阻分析[J].汽车技术，2025（6）：54-62. GUJ，CHENY，DUYF，etal.AnalysisonAerodynamicDragReductionof VehicleWhee Deflector BasedonASA OptimizationAlgorithm[J].Automobile Technology，2025（6）：54-62.

1前言

近年来，国内外专家学者对车轮降阻的研究日趋完善，主要通过车轮本身优化和在轮罩上增加阻风板等方法对车轮周围的气流进行有效梳理，而在轮罩上增加阻风板是近年来车轮降阻各类研究中最重要也是最具性价比的方向。（剩余11095字）