| 二维弹性接触问题的接触面单元法 |
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| 引用本文： | 杨耀文,刘正兴.二维弹性接触问题的接触面单元法[J].上海力学,1996,17(3):201-210. |
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| 作者姓名： | 杨耀文 刘正兴 |
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| 作者单位： | 上海交通大学
(杨耀文)，上海交通大学(刘正兴) |
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| 摘 要： | 本文基于虚功原理，推导了二维接触面单元的刚度矩阵，并引进预留单元的概念，避免了接触过程中由于接触面变化，节点和单元需要重新编号的麻烦。采用位移和应力联合控制的增量法控制加载过程，文中给出考题验证计算方法的有效性，并给出本文方法在汽检轮机中根与轮缘接触问题中的应用实例。
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| 关 键 词： | 弹性接触 面单元 预留单元 二维 接触问题 |
TWO DIMENSIONAL ELASTIC CONTACT PROBLEMS BY CONTACT SURFACE ELEMENT METHOD |
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| Yang Yaowen Liu Zhenxing.TWO DIMENSIONAL ELASTIC CONTACT PROBLEMS BY CONTACT SURFACE ELEMENT METHOD[J].Chinese Quarterly Mechanics,1996,17(3):201-210. |
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| Authors: | Yang Yaowen Liu Zhenxing |
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| Affiliation: | Shanghai Jiaotong University |
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| Abstract: | In this paper, basing on the principle of virtual work, the stiffness matrix of two dimensional contact surface element is deduced. In order to evade the rearranging of nodes and elements due to the changes of contact surfaces during contact procedure, the presetting elements are introduced. The loading procedure is controled by the incremental method which is jointly controled by the stresses and the displacements. Numerical examples are given to demonstrate the validity of this method, and its applications to solve problems contact on blade root, rotor steeple in turbines. |
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| Keywords: | Elastic contact Contact surface element Presetting elements |
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