| Autor: |
M. Arefi, A.M. Zenkour |
| Jazyk: |
angličtina |
| Rok vydání: |
2017 |
| Předmět: |
|
| Zdroj: |
Theoretical and Applied Mechanics Letters, Vol 7, Iss 3, Pp 145-151 (2017) |
| Druh dokumentu: |
article |
| ISSN: |
2095-0349 |
| DOI: |
10.1016/j.taml.2017.05.003 |
| Popis: |
Wave propagation analysis for a functionally graded nanobeam with rectangular cross-section resting on visco-Pasternak’s foundation is studied in this paper. Timoshenko’s beam model and nonlocal elasticity theory are employed for formulation of the problem. The equations of motion are derived using Hamilton’s principals by calculating kinetic energy, strain energy and work due to viscoelastic foundation. The effects of various parameters such as wavenumber, non-homogeneous index, nonlocal parameter and three parameters of foundation are performed on the phase velocity of the nanobeam. The obtained results indicate that some parameters such as non-homogeneous index, nonlocal parameter and wavenumber have significant effect on the response of the system. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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