| Issue |
MATEC Web Conf.
Volume 380, 2023
4th International Symposium on Mechanics, Structures and Materials Science (MSMS 2023)
|
|
|---|---|---|
| Article Number | 01018 | |
| Number of page(s) | 3 | |
| DOI | https://doi.org/10.1051/matecconf/202338001018 | |
| Published online | 01 May 2023 | |
Design of double-layered framed plate with equivalent impedance
1 Wuhan Second Ship Design and Research Institute, Wuhan 430205, China
2 College of Science, Wuhan University of Science and Technology, Wuhan, 430065, China
* Corresponding author: 1025500148@qq.com
To get clear the vibration mechanism of sandwith shell using the experiment method, a double-layered plate is designed for the sandwich shell by matching the equivalent impedance. Numerical analysis is conducted, and In 10Hz-4000Hz, the differenceof impedance from double-layered plate and sandwich shell should be less than 10%. A new design is given for the double-layered plate, and which is quite simple for construction. Then, the double-layered plate could be applied to conduct series vibration tests to get clear the influence of sandwich core material on structural vibration, while it could also reduce the costs of money and construction time.
© The Authors, published by EDP Sciences, 2023
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