[1] Hunan Univ, Coll Mech & Vehicle Engn, Changsha 410082, Hunan, Peoples R China
[2] Univ Salento, Ctr Cultura Innovat Impresa, Lecce, LE, Italy
[3] Univ Missouri Columbia, Dept Mech & Aerosp Engn, Columbia, MO USA
[4] Univ Waterloo, Dept Appl Math, Waterloo, ON N2L 3G1, Canada