[1] School of Traffic and Transportation Engineering, Central South University, Changsha, Hunan,410075, China
[2] Department of Engineering Science and Mechanics, Penn State University, University Park,PA,16802, United States
[3] School of Mathematics and Statistics, Southwest University, Chongqing,400715, China
[4] Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln,NE,68588, United States