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- Title
In-plane bending vibration of L-shaped cantilever nanobeams carrying a tip nanoparticle by nonlocal elasticity.
- Authors
Han, Y. Q.; Peng, X. L.
- Abstract
Some arms of nanorobots display L-shaped structures. The transverse free bending vibration of an L-shaped cantilever nanobeam carrying a tip nanoparticle is investigated. Based on the nonlocal elasticity, the nonlocal parameter is introduced to capture the size effect of the mechanical behavior of the cantilever–mass system. The frequency equation is deduced analytically. Exact resonance frequencies of the L-shaped nanocantilever–mass system are numerically evaluated and compared with their corresponding values of the macro-scale L-shaped cantilever–mass system. The numerical results show that the nonlocal parameter declines the resonance frequencies. If removing the nonlocal parameter, our results reduce to the resonance frequencies of transverse bending vibration of L-shaped cantilevers with an attached tip mass. The effects of the nonlocal parameter, the ratio of the attached mass to the structure mass, the length ratio of two members of the L-shaped cantilever–mass system on the resonance frequencies are analyzed.
- Subjects
NANOPARTICLES; CANTILEVERS; ELASTICITY; FREE vibration; RESONANCE; CANTILEVER bridges; ORTHOTROPIC plates
- Publication
Acta Mechanica, 2024, Vol 235, Issue 6, p3591
- ISSN
0001-5970
- Publication type
Article
- DOI
10.1007/s00707-024-03905-2