期刊
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
卷 195, 期 37-40, 页码 5020-5036出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2005.09.025
关键词
contact with friction; mortar method; large deformations; penalty method; moving friction cone; two-dimensional
Finite element discretizations including contact usually apply the standard NTS-(node-to-segment) element. Thus, a coupling with higher order solid elements leads to inconsistencies in the transmission of contact stresses. One can circumvent this using the mortar method which includes a weak projection of the contact constraints. In this paper we present a penalty formulation based on the mortar concept for two-dimensional large deformation frictional contact. The discretization of the contact surfaces contains quadratic approximations which can be used within a quadratic approximation of the solid elements. To obtain a simple and efficient matrix formulation, the moving friction cone algorithm is applied. (c) 2005 Elsevier B.V. All rights reserved.
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