1. a Group of Research in Engineering Sciences (GRESPI/LMN EA 4301) , University of Reims Champagne-Ardenne ESIEC , Esp. Rolland Garros, BP 1029, F-51686 , Reims cedex 2
2. b Mechanical Engineering Laboratory (LGM) , Université of Biskra, R Sidi Okba, 07000 , Biskra , Algeria