|Table of Contents|

[1] Liu Xinjie, Wang Lifeng,. Vibration analysis of circular Janus MoSSe plates [J]. Journal of Southeast University (English Edition), 2023, 39 (3): 225-232. [doi:10.3969/j.issn.1003-7985.2023.03.002]
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Vibration analysis of circular Janus MoSSe plates()
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
39
Issue:
2023 3
Page:
225-232
Research Field:
Mathematics, Physics, Mechanics
Publishing date:
2023-09-20

Info

Title:
Vibration analysis of circular Janus MoSSe plates
Author(s):
Liu Xinjie;  Wang Lifeng
State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Keywords:
Janus monolayer molybdenum sulfoselenide(MoSSe);  molecular dynamics(MD);  warpage;  natural frequency
PACS:
O327
DOI:
10.3969/j.issn.1003-7985.2023.03.002
Abstract:
The vibration behavior of Janus monolayer molybdenum sulfoselenide(MoSSe)was studied based on molecular dynamics(MD)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.

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Memo

Memo:
Biographies: Liu Xinjie(1998—), male, Ph. D. candidate; Wang Lifeng(corresponding author), male, doctor, professor, walfe@nuaa.edu.cn.
Foundation items: The National Natural Science Foundation of China(No. 51921003), the National Science Fund for Distinguished Young Scholars(No. 11925205).
Citation: Liu Xinjie, Wang Lifeng. Vibration analysis of circular Janus MoSSe plates[J].Journal of Southeast University(English Edition), 2023, 39(3):225-232.DOI:10.3969/j.issn.1003-7985.2023.03.002.
Last Update: 2023-09-20