Optimization of the domain in elliptic variational inequalities

This paper is concerned with a nonsmooth shape optimization problem for the Signorini unilateral boundary-value problem. The necessary optimality conditions are derived. The results of computations are presented.

Finite element approximations of the wave equation with Dirichlet boundary data defined on a bounded domain in R2

Regularization and finite element approximation of the wave equation with Dirichlet boundary data