[1] Dalian Univ Technol, Int Res Ctr Computat Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China
[2] Leibniz Univ Hannover, Inst Photon, Dept Math & Phys, Hannover, Germany
[3] Tongji Univ, Coll Civil Engn, State Key Lab Disaster Reduct Civil Engn, Shanghai 200092, Peoples R China
[4] State Key Lab Struct Anal Ind Equipment, Dalian, Peoples R China