A mixed formulation of mortar-based frictionless contact

被引：24
|
作者：
Temizer, I. [1 ]
机构：
[1] Bilkent Univ, Dept Mech Engn, TR-06800 Ankara, Turkey
来源：
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2012年 / 223卷
关键词：
Contact; Mortar method; Mixed formulation; Large deformation; FINITE-ELEMENT SOLUTION; ACTIVE SET STRATEGY; UNILATERAL CONTACT; LARGE DEFORMATIONS; CONSERVING INTEGRATION; LAGRANGE MULTIPLIER; DUAL FORMULATIONS; SOLID MECHANICS; PATCH TEST; IMPLEMENTATION;
D O I：
10.1016/j.cma.2012.02.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A class of mortar-based frictionless contact formulations is derived based on a classical three-field mixed variational framework. Within a penalty regularization complemented by Uzawa augmentations, discrete mortar constraints are naturally induced by the variational setting. Major aspects of earlier mortar approaches are obtained through constrained, lumped or unconstrained recovery procedures for the mixed kinematic and kinetic mortar quantities from their projected counterparts. Two- and three-dimensional examples at the infinitesimal and finite deformation regimes highlight the local and global quality of the contact interactions. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：173 / 185
页数：13
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