| Issue |
Acta Acust.
Volume 9, 2025
|
|
|---|---|---|
| Article Number | 26 | |
| Number of page(s) | 13 | |
| Section | Structural Acoustics and Vibroacoustics | |
| DOI | https://doi.org/10.1051/aacus/2025003 | |
| Published online | 08 April 2025 | |
Scientific Article
A convergence formula for sound transmission loss of composite laminates based on three different shear deformation theories
Ocean College, Jiangsu University of Science and Technology, Zhenjiang, 212003, P.R. China
* Corresponding author: yrc@just.edu.cn
Received:
19
September
2024
Accepted:
17
January
2025
The Classical Plate Theory (CPT), First-order Shear Deformation Theory (FSDT), and Third-order Shear Deformation Theory (TSDT) have been widely applied in analyzing the Sound Transmission Loss (STL) of composite laminates. However, there are no accurate criteria or formulas to determine the convergence criterion in the process of sound transmission loss analysis. The current method for determining convergence is based on assessing a few typical frequencies to judge convergence across the entire frequency range, resulting in inaccuracies in the high-frequency region and wasting significant computational resources. To address this issue, this paper proposes a new convergence criterion and formula based on CPT, FSDT, and TSDT. These formulas provide a precise framework for determining the optimal number of modes required for convergence, ensuring computational efficiency and accuracy in STL calculations for composite laminates across all frequency ranges.
Key words: Sound transmission loss / Composite laminates / Convergence criterion
© The Author(s), Published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.