| Issue |
MATEC Web Conf.
Volume 380, 2023
4th International Symposium on Mechanics, Structures and Materials Science (MSMS 2023)
|
|
|---|---|---|
| Article Number | 01028 | |
| Number of page(s) | 3 | |
| DOI | https://doi.org/10.1051/matecconf/202338001028 | |
| Published online | 01 May 2023 | |
Research on Modal Test for a Double-layered Stiffened Plate in Water
1 Wuhan Second Ship Design and Research Institute, Wuhan 430205, China
2 Ship Development and Design Center, Wuhan, 430064, China
3 School of Naval architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
* Corresponding author: zhyf1408@126.com
Madal performance is the basic characteristics of structures, which will help to further understand the vibration of structures. Besides, fluid (e.g. water) coupled with structure will strongly affact the modal performance of structure. To get clear the modal performance, Modal tests are conducted for two-layered plate both in air and in water, and modal frequency and mode shape are given. With comparative analysis of modal frequencies in these two cases, it’s shown that influence of fluid on structural vibration is obvious, which will results in significantly reduction of modal frequency, and the maximum reduction is the second mode, and it is more than 42%. But it’s also noted that influence of fluid on mode shape is little.
© The Authors, published by EDP Sciences, 2023
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