大客车车身结构多工况综合优化分析

山东大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (6): 88-91.

大客车车身结构多工况综合优化分析

陈光崔玲高云凯

陈光崔玲：山东交通职业学院汽车系, 山东潍坊 261206; 高云凯：同济大学汽车学院, 上海 201804

收稿日期:2009-04-09 出版日期:2009-12-16 发布日期:2009-12-16
作者简介:陈光(1972-)，男，山东潍坊人，副教授，研究方向为汽车车身结构与工艺.E-mail:sdwfcl@163.com
基金资助:
上海汽车工业科技发展基金资助项目(20070991)

Optimization analysis for bus body structure in multi-load cases

CHEN Guang, CUI Ling：Shandong Transport Vocational College, Weifang 261206, China; GAO Yun-Kai ： School of Automotive Engineering, Tongji University, Shanghai 201804, China

Received:2009-04-09 Online:2009-12-16 Published:2009-12-16

摘要/Abstract

摘要：

建立了某半承载式大客车车身骨架结构的有限元模型,基于NASTRAN软件平台进行3种工况下的截面尺寸综合优化,确定了最优的综合优化方案. 通过分析校核可知,采用结构综合优化方法,可以在确保大客车车身刚度、强度和模态等性能指标的前提下,实现结构多工况优化分析和车身结构的轻量化.

关键词: 大客车车身;多工况;结构优化;综合分析

Abstract:

A finite element model of the bus body frame was built and vibration modal analysis and static analysis were performed on the body frame structure. Then, the section sizes optimization was analyzed under three different load cases and the best bus body structure was obtained. The results confirmed that the synthetic optimization design method could carry out the optimization analysis in multi-load cases for bus body structure and lighten the weight of bus framework, and the bus body performance indexes such as strength, stiffness and mode.

Key words: bus body structure; multi-load case; structural optimization; synthetic analysis

陈光崔玲高云凯. 大客车车身结构多工况综合优化分析[J]. 山东大学学报(工学版), 2009, 39(6): 88-91.

CHEN Guang, CUI Ling, GAO Yun-Kai. Optimization analysis for bus body structure in multi-load cases[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2009, 39(6): 88-91.

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