期刊
COMPOSITE STRUCTURES
卷 199, 期 -, 页码 10-23出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2018.05.061
关键词
Wave propagation; Magneto-electro-elastic nanoshell; Nonlocal strain gradient theory; Cut-off wave number
资金
- National Natural Science Foundation of China [11725207]
- Department of Science & Technology of Hebei Province [164576112D]
- Youth Foundation of Hebei Education Department [QN2015200]
In this paper, the wave propagation in magneto-electro-elastic (MEE) nanoshells is investigated via two nonlocal strain gradient shell theories, namely, the Kirchhoff-Love shell theory and the first-order shear deformation (FSD) shell theory. By using Hamilton's principle, we derive the governing equations, which are then solved analytically to obtain the dispersion relations of MEE nanoshells. Results are presented to highlight the influences of the temperature change, external electric potential, external magnetic potential, external load, nonlocal parameter and length scale parameter on the wave propagation characteristics of MEE nanoshells. It is found that the electro-magneto-mechanical loadings can lead to the cut-off wave number at which the frequency reaches to zero.
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