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In this paper, we propose and study different mixed variational methods in order to approximate with finite elements the unilateral problems arising in contact mechanics. The discretized unilateral conditions at the candidate contact interface are expressed by using either continuous piecewise linear or piecewise constant Lagrange multipliers in the(More)
1 Asymptotic analysis of a thin layer device with Tresca's contact law in elasticity Summary : In this paper, we consider a thin elastic layer between a rigid body and an elastic one. A Tresca law is assumed between the two elastic bodies. The Lam e coeecients of the thin layer are assumed to vary with respect to its height ". This dependence is shown to be(More)
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