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- Title
Palm petiole inspired nonlinear anti-vibration ring with deformable crescent-shaped cross-section.
- Authors
Feng, Xiao; Feng, Jian; An, Ertai; Wang, Hailin; Wu, Shuanglong; Qi, Long
- Abstract
This paper presents a novel nonlinear anti-vibration ring with deformable crescent-shaped cross-sections (NAVR-DCCS) inspired by the petiole of palm leaf. The proposed NAVR-DCCS exhibits markedly enhanced nonlinear quasi-zero stiffness through deformable cross-sections, which endow it with advantageous vibration isolation attributes. A comprehensive investigation of the structural nonlinearities and dynamic behaviors of the NAVR-DCCS is undertaken, with emphasis on the principle of cross-sectional deformation and its nonlinear stiffness properties. This study explores the influence of pertinent parameters on the nonlinear characteristics and displacement transmissibility. Tensile-compression testing and transmissibility measurements are conducted to verify theoretical calculations, and the experimental results are found to be in congruity with theoretical predictions. The beneficial nonlinear characteristics of the NAVR-DCCS hold promise for providing a passive vibration isolation methodology, representing a potentially innovative solution with broad-reaching applicability and utility across diverse research domains.
- Subjects
PETIOLES; VIBRATION isolation; PALMS
- Publication
Nonlinear Dynamics, 2024, Vol 112, Issue 9, p6919
- ISSN
0924-090X
- Publication type
Article
- DOI
10.1007/s11071-024-09440-y