The directional instability problem in systems with frictional contacts

A. Pinto da Costa; J.A.C. Martins; I.N. Figueiredo; J.J. Judice

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The directional instability problem in systems with frictional contacts

机译：带有摩擦接触的系统中的方向不稳定性问题

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摘要

The research summarized in this paper addresses the directional instability of finite dimensional systems with unilateral frictional contacts. Conditions for the occurrence of this divergence type instability are discussed, complementarity formulations are developed, and numerical procedures are proposed for the solution of the corresponding non-smooth stability eigenproblems. Various examples are analytically or numerically solved and discussed, namely some finite element examples that have instability modes involving evolution towards slip or stick in different portions of the contact surface.

机译：本文总结的研究解决了具有单边摩擦接触的有限维系统的方向不稳定性。讨论了这种发散型不稳定性发生的条件，开发了互补公式，并提出了求解相应非光滑稳定性特征问题的数值程序。通过分析或数值求解和讨论各种示例，即一些具有不稳定性模式的有限元示例，这些不稳定性模式包括在接触表面的不同部分向滑移或粘滞的演变。

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来源
《Computer Methods in Applied Mechanics and Engineering》 |2004年第5期|p.357-384|共28页
作者
A. Pinto da Costa; J.A.C. Martins; I.N. Figueiredo; J.J. Judice;
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作者单位

Dep. Eng. Civil e Arquitectura and I.C.I.S.T., Instituto Superior Tecnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类自动化基础理论;工程基础科学;
关键词
coulomb friction; directional instability; angular bifurcation; complementarity problems; finite elements;

机译：库仑摩擦;方向不稳定性;角分叉;互补问题;有限元;

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1. A numerical study on multiple rate solutions and onset of directional instability in quasi-static frictional contact problems [J] . A. Pinto da Costa, J.A.C. Martins Computers & Structures . 2004,第17a19期

机译：准静态摩擦接触问题中多重速率解和方向不稳定性开始的数值研究
2. Instability of systems with a frictional point contact - Part 3: Experimental tests [J] . Duffour P, Woodhouse J Journal of Sound and Vibration . 2007,第1a2期

机译：带有摩擦点接触的系统的不稳定性-第3部分：实验测试
3. Instability of systems with a frictional point contact. Part 1: basic modelling [J] . Duffour P., Woodhouse J. Journal of Sound and Vibration . 2004,第1a2期

机译：带有摩擦点接触的系统的不稳定性。第1部分：基本建模
4. Computation and comparison of instability and bifurcation modes in frictional contact systems [C] . A.P. da Costa, J.A.C. Martins Ninth International Conference on Enhancement and Promotion of Computational Methods in Engineering and Science (EPMESC IX); Nov 25-28, 2003; Macao, China . 2003

机译：摩擦接触系统中不稳定性和分叉模式的计算和比较
5. Contact characteristics and their contributions to dynamic instability of mechanical systems with friction. [D] . Abdo, Jamil Ahmad. 2000

机译：接触特性及其对机械系统摩擦动态不稳定性的影响。
6. The Effect of Incongruity and Instability on Contact Stress Directional Gradients in Human Cadaveric Ankles [O] . Todd O. McKinley, Yuki Tochigi, M. James Rudert, -1

机译：不一致和不稳定性对人尸体踝关节接触应力方向梯度的影响
7. The directional instability problem in systems with frictional contacts [O] . Pinto da Costa A., Martins J. A. C., Figueiredo I. N., 2004

机译：带有摩擦接触的系统中的方向不稳定性问题
8. Thermoelastic Instability of Frictional Contacts. [R] . burton,ralph a. dow,thomas a. 1971

机译：摩擦接触的热弹性不稳定性。

The directional instability problem in systems with frictional contacts

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