1. The Key Laboratory of Biomedical Information Engineering of Ministry of Education; School of Life Science and Technology; Xi'an Jiaotong University; Xi'an 710049 P. R. China
2. Bioinspired Engineering and Biomechanics Center (BEBC); Xi'an Jiaotong University; Xi'an 710049 P. R. China
3. State Key Laboratory for Strength and Vibration of Mechanical Structures; Aerospace School; Xi'an Jiaotong University; Xi'an 710049 P. R. China
4. MOE Key Laboratory for Multifunctional Materials and Structures; Xi'an Jiaotong University; Xi'an 710049 P. R. China
5. College of Aerospace Engineering; Nanjing University of Aeronautics and Astronautics; Nanjing 210016 P. R. China