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- Title
Vibration analysis of circular Janus MoSSe plates.
- Authors
Liu Xinjie; Wang Lifeng
- Abstract
The vibration molybdenum sulfoselenide molecular dynamics (MD) behavior of Janus monolayer (MoSSe) was studied based on simulations and the finite element method (FEM) • MoSSe plates were simulated by FEM through the incorporation of intrinsic strain caused by lattice mismatch to the double-layer plate model. The vibrations of circular MoSSe plates with free boundaries and a clamped edge were determined by MD simulations and FEM. In addition, the effects of plate size, strain, and pressure on the natural frequency of the plates were investigated. The results showed that the natural frequency of the circular MoSSe plate with free boundaries gradually decreased with increasing plate size. Furthermore, a significant discontinuity in frequency was observed due to bowl and tube warpage when the diameter reached 8. 6 nm. The MD simulation and FEM calculation results were consistent in terms of the natural frequencies of the circular MoSSe plates of different sizes. In addition, the effects of strain and pressure on the natural frequency determined by the two methods were consistent for small deformations. The vibration of the MoSSe plate could be well predicted by the double-layer plate model.
- Subjects
VIBRATION (Mechanics); FINITE element method; MOLECULAR dynamics; WARPAGE in electronic circuits; MOLYBDENUM
- Publication
Journal of Southeast University (English Edition), 2023, Vol 39, Issue 3, p225
- ISSN
1003-7985
- Publication type
Article
- DOI
10.3969/j.issn.1003-7985.2023.03.002