[Li, Yun-Xiang] Hunan City Univ, Coll Sci, Yiyang 413000, Peoples R China.
[Hekmatifar, Maboud; Toghraie, Davood] Islamic Azad Univ, Dept Mech Engn, Khomeinishahr Branch, Khomeinishahr, Iran.
[Sun, Yu-Liang] Huzhou Univ, Sch Sci, Huzhou 313000, Peoples R China.
[Alizadeh, As'ad] Urmia Univ, Dept Mech Engn, Orumiyeh, Iran.
[Alizadeh, As'ad] Univ Zakho, Coll Engn, Dept Mech Engn, Zakho, Iraq.