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An iterative algorithm for analysis of coupled structural-acoustic systems subject to random excitations

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Abstract

This paper analyzes the random response of structural-acoustic coupled systems. Most existing works on coupled structural-acoustic analysis are limited to systems under deterministic excitations due to high computational cost required by a random response analysis. To reduce the computational burden involved in the coupled random analysis, an iterative procedure based on the Pseudo excitation method has been developed. It is found that this algorithm has an overwhelming advantage in computing efficiency over traditional methods, as demonstrated by some numerical examples given in this paper.

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Authors and Affiliations

  1. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, 116024, Dalian, China

    Guo-Zhong Zhao, Gang Chen & Zhan Kang

Authors
  1. Guo-Zhong Zhao
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  2. Gang Chen
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  3. Zhan Kang
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Corresponding author

Correspondence to Guo-Zhong Zhao.

Additional information

The project was supported by the National Natural Science Foundation of China (11072049, 10772038), the Key Project of Chinese National Programs for Fundamental Research and Development (2010CB832703), the National Key Technology Support Program (2009BAG12A04) and the Program for New Century Excellent Talents in University.

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Zhao, GZ., Chen, G. & Kang, Z. An iterative algorithm for analysis of coupled structural-acoustic systems subject to random excitations. Acta Mech Sin 28, 458–467 (2012). https://doi.org/10.1007/s10409-012-0032-8

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  • DOI: https://doi.org/10.1007/s10409-012-0032-8

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