Abstract
The main part of this contribution deals with the approximation of variational inequalities, with special emphasize to contact problems. Finite element technique is used, starting from different variational formulations (primal, mixed). More details, concerning the approximation and numerical realization of contact problems can be found in [9]. Second part of this contribution is devoted to the optimization of the shape of contact zone of an elastic body, unilaterally supported by a rigid foundation, in order to obtain an even distribution of normal forces along contact part (for more details see [10]).
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