1. Shanghai Jiao Tong University State Key Laboratory of Mechanical Systems and Vibrations, , Shanghai 200240 , China
2. University of Utah Department of Mechanical Engineering, , Salt Lake City, UT 81142 ;
3. University of California Los Angeles School of Mechanical & Aerospace Engineering, , Los Angeles, CA 90095
4. AVIC Commercial Aircraft Engine Co., Ltd. Department of Discipline Engineering, , Shanghai 200241 , China