“…The numerical treatment of the unilateral contact with dry friction is certainly one of the non-smooth mechanics topics for which many efforts have been made in the past. In the literature, many attempts have been developed to deal with such problems using the finite element method, these include the penalty function method (Chan and Tuba, 1971;Parisch, 1989;Wriggers et al, 1990), the flexibility method (Francavilla and Zienkiewicz, 1975), the mathematical programming method (Klarbring and Björkman, 1988;Zhong and Sun, 1989;Zhang et al, 1998;Kim and Kwak, 1996), the Lagrange multiplier method (Chaudhary and Bathe, 1986) and the augmented Lagrangian method (Simo and Laursen, 1992;Feng, 1995;de Saxcé and Feng, 1998). A large number of algorithms for the modeling of contact problems by the finite element method have been presented in the literature.…”