Paper Title:
Assessment of the Performance of Modal Based Decoupling Method in Identifying Structural Joints Characteristics
  Abstract

In this paper, the performance of modal based decoupling method in structural joint identification is investigated. This method does not need any iteration and is independent from updating techniques. Because of these advantages, in present work it is tried to assess the effect of experimental and numerical issues of using modal data in this method. Issues such as effect of number of digits of precision of modal pairs, effects of lower hand higher eliminated modes, effect of any normalization of modal vectors and effect of possible noisy experimentally extracted modal parameters on identified joint characteristics are studied through some case studies.

  Info
Periodical
Edited by
Shaobo Zhong, Yimin Cheng and Xilong Qu
Pages
125-129
DOI
10.4028/www.scientific.net/AMM.50-51.125
Citation
K. Jahani, A.S. Nobari, "Assessment of the Performance of Modal Based Decoupling Method in Identifying Structural Joints Characteristics", Applied Mechanics and Materials, Vols. 50-51, pp. 125-129, 2011
Online since
February 2011
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