Lightweight Beam Structure Topology Design Solution for Steel and Aluminum Hybrid Body
Chen Xing,
Bo Liu
Abstract:To solve the problems of low bending and torsional stiffness and high weight of the all-steel body-in-white (BIW), an aluminum (Al) alloy profile with optimized cross-section is used to replace the original sheet metal threshold beam. Firstly, considering the feasibility of extrusion process, the Al alloy profile cross-section is designed based on the original threshold beam cross-section. Then, we extracted the equivalent load acting on the center of mass of the threshold beam section during the calculation o… Show more
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