基于LS—DYNA的两种客车侧翻模型比较  

Study of two models of the bus rollover based on LS-DYNA

作　　者：韦志林[1] 黄昶春[1] 李波[1] 沈光烈[1] 

机构地区：[1]广西科技大学汽车工程研究所,广西柳州545006

出　　处：《广西科技大学学报》2014年第1期59-62,共4页Journal of Guangxi University of Science and Technology

基　　金：广西教育厅科研项目(201106LX414)资助

摘　　要：根据对车轮约束的不同,目前客车侧翻仿真有两种模型:一种采用档板约束,一种采用铰链约束.研究对这两种模型进行了仿真分析,通过对侧翻过程中能量转换的对比,认为采用铰链约束的模型沙漏能少,动能更多地转换为应变能,相对更为合理.Based on the different constraint of wheel, there are two models of bus rollover simulation at present, one with baffle constraint and the other with hinge constraint. By using the two models to make simulation analysis, and comparing the energy conversion, this paper finds that the hinge constraint model makes less hourglass energy and more kinetic energy is converted into strain energy, so the model is considered more reasonable than the other.

关 键 词：半承载式客车 侧翻 有限元仿真 

分 类 号：U463.822[机械工程—车辆工程]