作者机构:[1]Department of Engineering Mechanics, College of Sciences, China University of Mining and Technology, Xuzhou 221008, Jiangsu Province, P. R. China, [2]Institute of Vibration Engineering Research, Na~jing University of Aeronautics and Astronautics, Nanjing 210016, P. R. China
相关基金:Project supported by the National Natural Science Foundation of China (No. 10872089)