[1] Univ Punjab, Dept Math, Quaid i Azam Campus, Lahore 54590, Pakistan
[2] Prince Sattam Bin Abdulaziz Univ, Coll Engn, Mech Engn Dept, Wadi Addawaser 11991, Saudi Arabia
[3] Mansoura Univ, Fac Engn, Prod Engn & Mech Design Dept, Mansoura 35516, Egypt