Affiliation: | 1. Department of Mechanics, School of mechanical engineering, Tianjin University, Tianjin 300350, China;2. Tianjin Key Laboratory of Modern Engineering Mechanics, Tianjin University, Tianjin 300350, China;3. Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin Stomatological Hospital, The Affiliated Stomatological Hospital of Nankai University, Tianjin 300041, China, |