The Finite Element Model (FEM) Updating of Mirror Frame System Based on Response Surface Method

Abstract:

Article Preview

It is difficult in finite element model(FEM) updating, because the essence is a mechanical anti-question solving. In the paper, the suppositional material method is utilized to model the FEM of a mirror frame system, and the required updating parameters are defined. The functions between the natural frequency and the updating parameters are established based on the response surface method. Based on the response surface model and the modal experiment results, the sum of absolute value of relative errors between the results of experiments and simulations is defined as the optimization objective, four required updating are identified automatically. The first three natural frequencies of updated mirror frame system are better accordant with the experiment results, which proves the method correct and reliable.

Info:

Periodical:

Advanced Materials Research (Volumes 291-294)

Edited by:

Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu

Pages:

1615-1620

DOI:

10.4028/www.scientific.net/AMR.291-294.1615

Citation:

X. Q. Chen et al., "The Finite Element Model (FEM) Updating of Mirror Frame System Based on Response Surface Method", Advanced Materials Research, Vols. 291-294, pp. 1615-1620, 2011

Online since:

July 2011

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Price:

$35.00

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