Abstract
A unilateral contact 2D-problem is considered provided one of two elastic bodies can shift in a given direction as a rigid body. Using Lagrange multipliers for both normal and tangential constraints on the contact interface, we introduce a saddle point problem and prove its unique solvability. We discretize the problem by a standard finite element method and prove a convergence of approximations. We propose a numerical realization on the basis of an auxiliary “ bolted” problem and the algorithm of Uzawa.
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Hlaváček, I. Mixed finite element analysis of semi-coercive unilateral contact problems with given friction. Appl Math 52, 25–58 (2007). https://doi.org/10.1007/s10492-007-0002-9
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DOI: https://doi.org/10.1007/s10492-007-0002-9