A model for computational investigation of elasto-plastic normal and tangential contact considering adhesion effect

作者：Li QY^*; Yu SW

来源：Acta Mechanica Sinica, 2004, 20(2): 165-171.

• adhesion
• adhesive force
• contact
• tangential contact

With the rapid development of Micro-Electro-Mechanical System (MEMS), we enter a field in which the surface effects have dominated many of the micro-scale phenomena, and the adhesive contact is one of the focuses. In this paper, a feasible model for finite element computation is presented via a macroscopic and microscopic combination approach, in which the adhesive forces are simulated by some non-linear spring elements considering the softening stage. Two basic problems concerning the adhesion effect were considered, through specific quantitative analysis, the results show a consistency with the current elastic continuum theories of adhesion and a brief investigation into the effects of adhesion on plastic deformation and tangential contact will be carried out as well.

• 出版日期2004-4
• 单位清华大学