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Existence results for unilateral quasistatic contact problems with friction and adhesion. (English) Zbl 0984.74054
Summary: We consider a two-dimensional elastic body submitted to unilateral contact conditions, local friction and adhesion on a part of boundary. After discretizing the variational formulation with respect to time, we use a smoothing technique to approximate the friction term by an auxiliary problem. A shifting technique enables us to obtain the existence of incremental solutions with bounds independent of the regularization parameter. Finally, we obtain the existence of quasistatic solution by passing to the limit with respect to time.

74M15 Contact in solid mechanics
74G25 Global existence of solutions for equilibrium problems in solid mechanics (MSC2010)
49J40 Variational inequalities
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