作者机构:[1]Aircraft Strength Research Institute of China, Xi'an 710065 , China, [2]Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
相关基金:Acknowledgements The financial support from the National Natural Science Foundation of China under project No.10472107 is gratefully acknowledged. The authors also wish to acknowledge the supports from the Aeronautical Science Foundation of China under project Nos. 04B23002 and 04B52009.