Next Article in Journal
Introduction of Building Information Modeling in Industrial Engineering Education: Students’ Perception
Previous Article in Journal
Numerical Simulation Study on the Effects of Course Keeping on the Roll Stability of Submarine Emergency Rising
Previous Article in Special Issue
A Four-Stage Method for Active Control with Online Feedback Path Modelling Using Control Signal
Article Menu

Export Article

Open AccessArticle

Active Control of Sound Transmission through Orthogonally Rib Stiffened Double-Panel Structure: Mechanism Analysis

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(16), 3286; https://doi.org/10.3390/app9163286
Received: 13 July 2019 / Revised: 31 July 2019 / Accepted: 6 August 2019 / Published: 10 August 2019
(This article belongs to the Collection Recent Applications of Active and Passive Noise Control)
  |  
PDF [3152 KB, uploaded 13 August 2019]
  |  

Abstract

Physical mechanisms of active control of sound transmission through orthogonally two ribs stiffened double-panel structure are investigated. This is the continued work of the single rib stiffened case. For the orthogonally two ribs stiffened case, four different cluster mode groups can be coupled with each other, due to the interlaced coupling effects of the horizontal and vertical ribs. One cavity mode can couple with and transmit sound energy to any type of base plate mode of the radiating ribbed plate. Consequently, the main differences of the control mechanism, when compared with the single ribbed case, lie in two aspects. One is that a novel mechanism appears. That is, suppressing and rearranging the cavity modes simultaneously achieves the suppression of the base plate modes. The other is that rearrangement of the cavity modes to rearrange the base plate modes for achieving sound radiation cancellation almost does not appear. The reason is that all types of cavity mode can couple with any one of the base plate modes due to the coupling effects of the two ribs. There is only a need to rearrange several important cavity modes to achieve suppressing the base plate mode of the radiating ribbed plate. View Full-Text
Keywords: orthogonally two ribs stiffened double-panel structure; sound transmission; active control; physical mechanisms orthogonally two ribs stiffened double-panel structure; sound transmission; active control; physical mechanisms
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Ma, X.; Chen, K.; Xu, J. Active Control of Sound Transmission through Orthogonally Rib Stiffened Double-Panel Structure: Mechanism Analysis. Appl. Sci. 2019, 9, 3286.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Appl. Sci. EISSN 2076-3417 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top