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基于响应面和kriging代理模型的汽车B柱优化设计

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Indexed by:期刊论文

Date of Publication:2012-04-24

Journal:汽车技术

Included Journals:PKU、ISTIC

Issue:4

Page Number:39-43

ISSN No.:1000-3703

Key Words:汽车轻量化;B柱;优化设计;正交试验

Abstract:为保证B柱耐撞性,同时减轻其质量以实现汽车轻量化,对某轿车B柱侧面碰撞进行了有限元分析.针对B柱外板、内板和两加强板厚度,设计了L16(45)正交试验,并由此进行仿真,得到胸部和腹部侵入量与侵入速度的数学代理模型.应用序列二次规划对B柱各板厚度进行优化,可知B柱质量减轻11.6%,在兼顾耐撞性的同时实现了汽车轻量化.

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