东南大学学报（自然科学版）2016，Vol.18Issue(3)：483-488,6.DOI:10.3969/j.issn.1001-0505.2016.03.005
大型摊铺机车架的力学特性分析与结构优化设计
Analysis of mechanical characteristics and structural optimization design of large paver frame
摘要
Abstract
The finite element model of the large paver frame is established according to the stiffness and strength design method of it.The first 10 order natural frequencies and main vibration types of the paver frame are obtained through modal simulation calculation and modal analysis.And,the fi-nite element model is verified to be reliable through the frame modal experiment.An integrated structure design method combining dynamic and static mechanical properties is proposed.The weak part of the frame stiffness is obtained by structure sensitivity analysis with dynamic stiffness as struc-tural optimization's objective.The frame stiffness is increased through the change of local shape and the arrangement of the reinforcing bars achieved by topology optimization.Based on the static analy-sis,the stress distribution and deformation of the frame in the static condition are analyzed to check the performance and reliability of the frame.Finally,the structural optimization design of the large paver frame is completed.The optimized frame is analyzed.The results show that the first and sec-ond order natural frequencies of the frame are improved obviously,and the frame mass is reduced by 3%.关键词
车架/模态分析/灵敏度分析/拓扑优化Key words
frame/modal analysis/sensitivity analysis/topology optimization分类
交通工程引用本文复制引用
晏腾飞,张建润,彭光强,王浩..大型摊铺机车架的力学特性分析与结构优化设计[J].东南大学学报（自然科学版）,2016,18(3):483-488,6.基金项目
江苏省“2011”基地“公民道德与社会风尚协同创新中心”道德哲学与中国道德发展和“江苏省道德发展高端智库”以及国家重大招标项目“现代伦理学诸理论形态研究”的成果，并得到教育部人文社科青年基金项目（15YJC840009）和“中央高校基本科研业务费专项资金”（2242014S30026和2242016S30045）资助。 （）
