钢铝材料结合的商用车车架多工况轻量化优化设计

doi:10.3969/j.issn.1004-132X.2020.18.008

摘要/Abstract

摘要： 为寻求有效的商用车轻量化方案，以某重型商用车车架为研究对象，建立有限元模型并进行自由模态分析和4种典型工况的静态分析，运用多学科优化软件HyperStudy建立车架优化模型，并对4种典型工况下的车架同时进行尺寸和材料的优化。研究结果表明，在保证可靠的强度和模态特性条件下，所设计的钢铝材料结合车架能够有效减小5.6%的质量。

关键词: 商用车车架, 钢铝材料结合, 多工况, 轻量化

Abstract: In order to find effective lightweight schemes for commercial vehicles, the frame of a heavy commercial vehicle was taken as the research object, the finite element model was established and the free modal analysis and the static analysis of four typical working conditions were carried out. The frame optimization model was established by using the multidisciplinary optimization software HyperStudy, and the dimensions and materials of the frame were optimized simultaneously under four typical working conditions. The results show that the designed frame combined by steel and aluminum materials may effectively reduce the mass by 5.6% under certain strength and modal performance conditions.

Key words: commercial vehicle frame, steel-aluminum combination, multiple working condition, lightweight

中图分类号:

U463.1

张凯成；李舜酩；孙明杰. 钢铝材料结合的商用车车架多工况轻量化优化设计[J]. 中国机械工程, DOI: 10.3969/j.issn.1004-132X.2020.18.008.

ZHANG Kaicheng；LI Shunming；SUN Mingjie. Lightweight Optimization Design of Commercial Vehicle Frames Combined by Steel and Aluminum Materials under Multiple Working Conditions[J]. China Mechanical Engineering, DOI: 10.3969/j.issn.1004-132X.2020.18.008.

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链接本文: http://www.cmemo.org.cn/CN/10.3969/j.issn.1004-132X.2020.18.008

http://www.cmemo.org.cn/CN/Y2020/V31/I18/2206

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