Discrete Coulomb frictional systems subjected to periodic loading.-Stability in unilateral contact problems with dry friction.-On a geometrically exact theory for contact interactions.-Applications of an existence result for the Coulomb friction problem.-Size-scale effects on the friction coefficient: from weak faults at the planetary scale to superlubricity at the nanoscale.-A residual type error estimate for the static Coulomb friction problem with unilateral contact.-Frictional contact problems for thin elastic structures and weak solutions of sweeping process.-Scalable TFETI algorithm for frictionless contact problems: Theory and real world problems.-T-FETI based algorithm for 3D contact problems with orthotropic friction.-A primal-dual active set strategy for finite deformation dual mortar contact.-Numerical analysis of a bone remodelling contact problem.-Postbuckling behaviour of a rectangular plate surrounded by nonlinear elastic supports.-A time-stepping scheme for multibody dynamics with unilateral constraints.-Coupled implicit variational inequalities and dynamic contact interactions in viscoelasticity.-Comparisons of contact forces during oblique impact. Experimental vs. continuum and finite element results.-Dynamic response of masonry walls in connection with reinforced concrete frames..-Beams comprising unilateral material in frictionless contact: A variational approach with constraints in dual spaces.-On the separation zones in aluminium base-plate connections. Numerical simulation and experiments.-Composite slab: a unilateral contact problem.-The influence of sliding friction on optimal topologies.-Derivation of the equation of caustics for the experimental assessment of distr.-A mathematical method for the determination of the critical axis loads of continuous beams with unilateral constraints.- for various iitial geometric imperfections.-A numerical approach to the non-convex dynamic problem of steel pile-soil interaction under environmental and second-.-order geometric effects.-Effect of different types of material hardening on hysteretic behavior of spherical contact under combined normal and tangential loading.-Modeling of piezoelectric contact problems.-A multiresolution study on the behavior of fractal interfaces with unilateral contact conditions.