[1] Shanghai Univ, Shanghai Inst Appl Math & Mech, Shanghai 200072, Peoples R China
[2] Shanghai Univ, Dept Math, Shanghai, Peoples R China
[3] Tongji Univ, Shanghai Key Lab Vehicle Aerodynam & Vehicle Ther, Shanghai 201804, Peoples R China
[4] ENN Tongji Clean Energy Inst Adv Studies, Shanghai 200072, Peoples R China