Journal
COMPUTERS & STRUCTURES
Volume 88, Issue 13-14, Pages 859-869Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2010.04.005
Keywords
Limit analysis; Contact problems in elasticity; Finite elements; Variational inequalities; Complementarity systems; Masonry structures
Funding
- Engineering and Physical Sciences Research Council of Great Britain [EP/E035760/1]
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In this paper, it is shown that, for planar systems formed from linear-elastic bodies in non-penetrative contact with Coulomb friction, the limit load can be approximated efficiently by the limit loads corresponding to a sequence of contact problems with given friction, via a finite element fixed-point approach. For the auxiliary problem with given friction, a splitting of this problem into two subproblems, one with prescribed normal contact stresses and given friction and one with prescribed tangential contact stresses, is employed. Numerical results for masonry block structures subjected to in-plane loading illustrate the predictive capabilities of this approach. (C) 2010 Elsevier Ltd. All rights reserved.
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