| Augmented Lagrange方法在钢丝绳捻制成形磨擦接触数值模拟中的应用 |
| |
| 引用本文： | 孙建芳 王桂兰 张海鸥. Augmented Lagrange方法在钢丝绳捻制成形磨擦接触数值模拟中的应用[J]. 机械科学与技术, 2005, 24(1): 111-114 |
| |
| 作者姓名： | 孙建芳 王桂兰 张海鸥 |
| |
| 作者单位： | 华中科技大学塑性成形模拟与模具技术国家重点实验室,武汉,430074;华中科技大学塑性成形模拟与模具技术国家重点实验室,武汉,430074;华中科技大学塑性成形模拟与模具技术国家重点实验室,武汉,430074 |
| |
| 基金项目： | 教育部留学人员基金([1998]679)和湖北省自然科学基金项目(99J006)资助 |
| |
| 摘 要： | 钢丝绳中金属线间接触摩擦会影响捻制成形加工应力和结构强度.在经典的Coulom摩擦理论的基础上,本文采用Augmented Lagrange方法计算钢丝绳捻制过程中的法向接触力和摩擦接触力,并应用radial-return径向回映法修正摩擦接触力试算值.以钢丝绳一次捻制成形过程为例,分析并讨论了摩擦系数和自扭转系数对接触应力和加工应力应变的影响,为钢丝绳成形工艺和结构强度的合理设计提供依据.
|
| 关 键 词： | 钢丝绳 摩擦接触 捻制成形 FEM Augmented Lagrange方法 自扭转系数 |
| 文章编号： | 1003-8728(2005)01-0111-04 |
| 修稿时间： | 2003-12-01 |
Application of Augmented Lagrange Method for Simulation of Laying Wire Rope with Friction Contact |
| |
| SUN Jian fang,WANG Gui lan,ZHANG Hai ou. Application of Augmented Lagrange Method for Simulation of Laying Wire Rope with Friction Contact[J]. Mechanical Science and Technology for Aerospace Engineering, 2005, 24(1): 111-114 |
| |
| Authors: | SUN Jian fang WANG Gui lan ZHANG Hai ou |
| |
| Abstract: | In the laying process of wire rope, friction contact between the wires can affect the forming stress and structure strength. On the basis of the classical Coulomb friction law, augmented Lagrangian method is applied to calculate both the normal contact force and friction contact force, and radial return algorithm is employed to correct the trial friction force. In the one time laying process of wire rope, the effects of friction coefficient and self rotating ratio on the contact stress are analyzed, and the effects of them on the forming stress and strain are also discussed. The results provide the foundation for the rational design of laying process and structure strength of wire rope. |
| |
| Keywords: | Wire rope Friction contact Laying process FEM(finite element mathod) Augmented lagrange method Self-rotating ratio |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
