Key;
Laboratory;
of;
Structural;
Analysis;
for;
Industrial;
Equipment,;
Department;
of;
Engineering;
Mechanics,;
Faculty;
of;
Vehicle;
Engineering;
and;
Mechanic,;
Dalian;
University;
of;
Technology,;
Dalian;
116024,;
China;
of;
Science,;
Dalian;
Nationalities;
University,;
Dalian;
116600,;
China;
Institute;
of;
Applied;
Mathematics;
and;
Mechanics,;
Shanghai;
University,;
Shanghai;
200072,;
China;