Component mode synthesis (CMS) is an approach used to couple dynamics of complex structures using modes of individual components. A CMS approach is developed to determine the response of a ribbed panel based on the individual rib and plate modes. The CMS method allows for rapid evaluation of noise-control designs as component modes need to be solved only once. Since efficient evaluation is required for global design optimization procedures, the CMS approach can be well suited in optimization problems. A simple structural-acoustic optimization problem was created to demonstrate the utility of the formulation by finding the optimal rib location and material to reduce sound radiation for a point-driven plate. Several parameters of the optimization algorithm are varied to test convergence speed and accuracy.
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ASME 2012 Noise Control and Acoustics Division Conference at InterNoise 2012
August 19–22, 2012
New York City, New York, USA
Conference Sponsors:
- Noise Control and Acoustics Division
ISBN:
978-0-7918-4532-5
PROCEEDINGS PAPER
An Approach for Structural-Acoustic Optimization of Ribbed Panels Using Component Mode Synthesis
Micah R. Shepherd
,
Micah R. Shepherd
The Pennsylvania State University, State College, PA
Search for other works by this author on:
Stephen A. Hambric
Stephen A. Hambric
The Pennsylvania State University, State College, PA
Search for other works by this author on:
Micah R. Shepherd
The Pennsylvania State University, State College, PA
Stephen A. Hambric
The Pennsylvania State University, State College, PA
Paper No:
NCAD2012-0592, pp. 221-226; 6 pages
Published Online:
September 10, 2013
Citation
Shepherd, MR, & Hambric, SA. "An Approach for Structural-Acoustic Optimization of Ribbed Panels Using Component Mode Synthesis." Proceedings of the ASME 2012 Noise Control and Acoustics Division Conference at InterNoise 2012. ASME 2012 Noise Control and Acoustics Division Conference. New York City, New York, USA. August 19–22, 2012. pp. 221-226. ASME. https://doi.org/10.1115/NCAD2012-0592
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