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Study on Large-Scale Many-Objective Optimization Method for Aerodynamics and Underhood Cooling Airfl ow using Detailed Vehicle Model


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Category(E)Hot Topics
Author(J)1) 濱本 直樹, 2) 伊藤 篤 , 3) 松本 恵実, 4) 鈴木 信地郎
Author(E)1) Naoki Hamamoto, 2) Atsushi Itoh, 3) Megumi Matsumoto, 4) Shinjiro Suzuki
Affiliation(J)1) 三菱自動車工業, 2) 三菱自動車工業, 3) 三菱自動車工業, 4) 三菱自動車工業


Abstract(E)To obtain optimal designs which satisfy aerodynamics and underhood cooling airflow for a detailed full-vehicle model, a shape optimization method using HPC(High Performance Computing)is performed. The shape optimization workflow integrated with shape morphing, CFD(Computational Fluid Dynamics)and evolutionary computation was applied to a many-objective optimization for Cd and airflow velocities through heat exchangers. The result showed several optimal designs which all objectives are improved from the default.

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