期刊
COMPOSITES PART B-ENGINEERING
卷 144, 期 -, 页码 195-205出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2018.03.001
关键词
Wave propagation method; Wave motion; Power reflection; Frequency analysis
Reflection, propagation and energy analysis are crucially important in designing structures, especially plates. A thick plate is considered based on first order shear deformation theory. Wave Propagation Method (WPM) is employed to exactly derive resonant frequencies and wave power reflection from different classical boundary conditions. Firstly, the frequency results are compared with other literature to validate the exact proposed wave solution in the present work. Then, wave analysis and benchmark results for natural frequencies are presented for six different combinations of boundary conditions. The results indicate that the wave power reflection of thick rectangular plates is quite complicated and an incident wave of a specific type gives rise to other types of waves except for simply supported boundary conditions where the reflected wave power does not depend on the system parameters.
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