| 封隔器胶筒大变形的粘-滑摩擦接触分析 |
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| 引用本文： | 杨秀娟,闫相祯,贾善坡.封隔器胶筒大变形的粘-滑摩擦接触分析[J].机械强度,2006,28(2):229-234. |
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| 作者姓名： | 杨秀娟 闫相祯 贾善坡 |
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| 作者单位： | 石油大学,华东,工程力学系,山东东营,257061 |
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| 基金项目： | 中国石油化工股份有限公司资助项目 |
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| 摘 要： | 采用罚函数方法，结合橡胶大变形问题的增量分析过程，考虑封隔器胶筒与套管之间的粘-滑摩擦接触问题，研究摩擦因数变化对接触压力的影响规律。给出解决封隔器胶筒摩擦接触问题的数值方法，并在此基础上对胶筒与套管之间的摩擦接触进行有限元分析，分析得到采用大变形非线性粘弹性理论和接触摩擦描述的有限元模型，可以比较准确模拟封隔器在坐封和工作过程中胶筒接触压力和变彤的情况，结果表明，摩擦因数变化对封隔器胶筒的接触压力有着较明显的影响。
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| 关 键 词： | 胶筒 库仑摩擦 摩擦接触 摩擦因数 有限元法 |
| 收稿时间： | 2004-05-17 |
| 修稿时间： | 2004-05-172004-08-19 |
FRICTIONAL CONTACT ANALYSIS OF PACKER RUBBER WITH LARGE DEFORMATION BASED ON ADHESIVE-SLIP FRICTIONAL CONTACT METHOD |
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| YANG XiuJuan,YAN XiangZhen,JIA ShanPo.FRICTIONAL CONTACT ANALYSIS OF PACKER RUBBER WITH LARGE DEFORMATION BASED ON ADHESIVE-SLIP FRICTIONAL CONTACT METHOD[J].Journal of Mechanical Strength,2006,28(2):229-234. |
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| Authors: | YANG XiuJuan YAN XiangZhen JIA ShanPo |
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| Affiliation: | Department of Engineering Mechanics, The University of Petroleum ( East China |
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| Abstract: | Frictional contact for rubber in large deformation is a complicated nonlinear problem. About the calculation of contact stress for packer rubber, the model of adhesive-slip frictional contact was took into account. A numerical approach, by combining Penalty method with incremental loads method of large deformation to deal with this problem, is described. The friction contact between casing pipe, oil pipe, supporting loop and packer rubber was analyzed with this numerical approach. The results show that this approach can simulate the deformation and contact stress of the packer rubber in its service, and more accurate as compared with other classical analytical formulas. Friction coefficient has the obvious affects on contact stress of packer rubber. |
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| Keywords: | Packer rubber Coulomb friction Frictional contract Friction coefficient Finite element method |
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