Paper Title:
The Study and Application of Electromagnetic Vibration Shaker Finite Element Model Updating and Validation Technology
  Abstract

Acording to the fact that the finite element model of electromagnetic vibration shaker for virtual experiment is not accurate enough to complete accurately spacecraft test, made a correlation analysis of the finite element output frequency response function and the measured frequency response function by their correlation coefficients. Analyzed the sensitivity of the materials for FRF and screened the parameters to update, made the correlation coefficient error of electromagnetic vibration shaker finite element model frequency response function and the measured as the optimization objective, the optimization and modification of shaker finite element model parameters were completed by iteration method. The frequency response function of the modified finite element model approximately agreed with the experimental frequency response function. It met the virtual experiments of electromagnetic vibration shaker.

  Info
Periodical
Edited by
Hun Guo, Zuo Dunwen, Hongli Xu, Chun Su, Chunjie Liu and Weidong Jin
Pages
231-236
DOI
10.4028/www.scientific.net/KEM.458.231
Citation
X. T. Liu, Z. B. Chen, L. F. Xu, S. Y. Huang, "The Study and Application of Electromagnetic Vibration Shaker Finite Element Model Updating and Validation Technology", Key Engineering Materials, Vol. 458, pp. 231-236, 2011
Online since
December 2010
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Price
$32.00
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