Cross-sectional shape optimisation for thin-walled beam crashworthiness with stamping constraints using genetic algorithm

被引：0
作者：
Bai J. [1 ]
Li Y. [2 ]
Zuo W. [1 ]
机构：
[1] State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun
[2] China FAW Co. Ltd., R and D Center, Changchun
来源：
Zuo, Wenjie (zuowenjie@jlu.edu.cn) | 1600年 / Inderscience Enterprises Ltd., 29, route de Pre-Bois, Case Postale 856, CH-1215 Geneva 15, CH-1215, Switzerland卷 / 73期
基金：
中国国家自然科学基金;
关键词：
Crashworthiness design; Cross-sectional shape optimisation; Genetic algorithm; Stamping constraints; Thin-walled beam; TWB;
D O I：
10.1504/IJVD.2017.082582
中图分类号：
学科分类号：
摘要：
The energy absorption capacity of thin-walled beams (TWB) is important to reduce the occupant injury in the collision of automobile structure. At the conceptual design stage, engineers mainly depend on their intuition and experience when determining the cross-sectional shape of TWB. This paper presents the crashworthiness design and optimisation for the TWB with complex cross-sectional shapes under axial impact load using a genetic algorithm. The optimisation model is formulated to determine the optimal cross-sectional shape of TWB, which is to minimise the mass of TWB constrained with energy absorption and maximum peak force. Moreover, four stamping constraints, including minimal segment, draft angle, chamfer radius and assembly, are together considered to promote the complex cross-sectional shape in practice. A numerical example verifies the effectiveness of the optimisation model and shows powerful ability to obtain the optimal cross-sectional shape of TWB. Copyright © 2017 Inderscience Enterprises Ltd.
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页码：76 / 95
页数：19
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