1. Department of Strength and Vibration Engineering, College of Energy & Power Engineering, Nanjing University of Aeronautics and Astronautics , Nanjing , Jiangsu 210016 , P.R. China
2. Aeroengine Thermal Environment and Structure Key Laboratory of Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics , Nanjing , Jiangsu 210016 , P.R. China
3. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics , Nanjing , Jiangsu 210016 , P.R. China