基于自適應(yīng)模擬退火優(yōu)化算法的車輪阻風(fēng)板降阻分析

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主題詞：降阻優(yōu)化全局尋優(yōu)計算流體動力學(xué)仿真風(fēng)洞試驗 自適應(yīng)模擬退火中圖分類號：U461.1 文獻(xiàn)標(biāo)志碼：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】古靜，陳億，杜亞非，等.基于自適應(yīng)模擬退火優(yōu)化算法的車輪阻風(fēng)板降阻分析[J].汽車技術(shù)，2025（6）：54-62. GUJ，CHENY，DUYF，etal.AnalysisonAerodynamicDragReductionof VehicleWhee Deflector BasedonASA OptimizationAlgorithm[J].Automobile Technology，2025（6）：54-62.

1前言

近年來，國內(nèi)外專家學(xué)者對車輪降阻的研究日趨完善，主要通過車輪本身優(yōu)化和在輪罩上增加阻風(fēng)板等方法對車輪周圍的氣流進(jìn)行有效梳理，而在輪罩上增加阻風(fēng)板是近年來車輪降阻各類研究中最重要也是最具性價比的方向。（剩余11095字）