| 重载敞车车体结构轻量化设计 |
| |
| 引用本文： | 姚曙光,田红旗,许平.重载敞车车体结构轻量化设计[J].交通运输工程学报,2011(1):31-35,57. |
| |
| 作者姓名： | 姚曙光 田红旗 许平 |
| |
| 作者单位： | 中南大学交通运输工程学院;中南大学轨道交通安全教育部重点实验室; |
| |
| 基金项目： | 铁道部科技研究开发计划项目(Z2007-079,Z2008-031) |
| |
| 摘 要： | 以车体承载结构的质量为目标函数,以部件板厚为设计变量,以关键工况载荷下车体结构的应力与挠度为约束条件,建立轴载40 t矿石敞车车体承栽结构的优化设计数学模型.引入约束违反惩罚项构造新的无约束目标函数,用共轭梯度法确定探索方向,用最小二乘法逼近目标函数.在有限元分析软件ANSYS的二次开发平台上,运用参数化设计语言APD...
|
| 关 键 词： | 车辆工程 重载敞车 结构优化 惩罚函数 共轭梯度法 |
Lightening design of carbody structure for heavy haul gondola |
| |
| YAO Shu-guang,TIAN Hong-qi,XU Ping.Lightening design of carbody structure for heavy haul gondola[J].Journal of Traffic and Transportation Engineering,2011(1):31-35,57. |
| |
| Authors: | YAO Shu-guang TIAN Hong-qi XU Ping |
| |
| Institution: | YAO Shu-guang1,2,TIAN Hong-qi1,XU Ping1,2(1.School of Traffic and Transportation Engineering,Central South University,Changsha 410075,Hunan,China,2.Key Laboratory for Track Traffic Safety of Ministry of Education,China) |
| |
| Abstract: | The bearing structure mass of carbody was taken as objective function,the component thicknesses were taken as design variables,the structure stresses and deformations from key load cases were taken as constraint conditions,and an optimization mathematic model of carbody bearing structure for ore gondola with axle load 40 t was established.A new unconstrained objective function was set up via penalty function against constrain,the searching direction was decided according to conjugate gradient method,and the... |
| |
| Keywords: | vehicle engineering heavy haul gondola structure optimization penalty function conjugate gradient method |
| 本文献已被 CNKI 等数据库收录！ |
|
