Topology optimization of wheel spoke cavities for lightweight design under bending fatigue and impact load cases.

Guangdong Zhang¹, Xin Cui², Yongxing Zang³, Yangyang Zhou⁴, Jianjun Lu⁵, Zhansheng Li⁵, Haitao Yang⁵, Jiandong Wang⁵, Zhen Ye⁵, Risheng Li⁵, Linzhen Zhou²

¹School of Mechanical Engineering, Yancheng Institute of Technology, Yancheng, 224051, Jiangsu, China. gdzhang@ycit.edu.cn.

²School of Mechanical Engineering, Yancheng Institute of Technology, Yancheng, 224051, Jiangsu, China.

³Hebei High Strength and Toughness Lightweight Wheel Technology Innovation Center, Baoding Lizhong Wheel Manufacturing Co., Ltd., Baoding, 071000, Hebei, China. xuliandi@lzwheel.com.

⁴Hebei Provincial Engineering Research Center for Recycled Aluminum Alloy Automotive Parts Manufacturing, Baoding Lizhong Dong'an Light Alloy Components Manufacturing Co., Ltd., Baoding, 071100, Hebei, China.

⁵Hebei High Strength and Toughness Lightweight Wheel Technology Innovation Center, Baoding Lizhong Wheel Manufacturing Co., Ltd., Baoding, 071000, Hebei, China.

PubMed PMC DOI PDF

Abstract

This paper presents a Multi-Load-Case topology optimization framework for aluminum alloy wheels to overcome the limitations of empirical rear-cavity lightweight designs. To balance structural integrity and mass reduction without altering the aerodynamic outboard styling, a region-constrained topology optimization was conducted. By employing a compromise programming method based on strain energy ra…

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