Static Finite Element Model Updating for Special-Shaped Bridge Based on Response Surface Method

Han Bing Liu; Yan Jun Song; Ya Feng Gong

doi:10.4028/www.scientific.net/AMM.236-237.611

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 236-237Static Finite Element Model Updating for...

Static Finite Element Model Updating for Special-Shaped Bridge Based on Response Surface Method

Abstract:

The establishment of an effective finite element model for bridge structure is essential in the health monitoring system for Bridge. A new updating method for static model using response surface method is proposed in this paper, and the main procedures are given with an example of a special-shaped bridge. Firstly, the bridge deflection and strain data in designed load case are obtained. Several groups of combined parameters which are chosen based on the principle of uniform design method are selected to conduct calculation through finite element software. Finally through response surface fitting and optimization, the updated bridge finite element model is obtained. The results show that the updated model is approximate to the real bridge and this updating method is rational and practical.

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Periodical:

Applied Mechanics and Materials (Volumes 236-237)

Pages:

611-616

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.236-237.611

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Online since:

November 2012

Authors:

Han Bing Liu, Yan Jun Song, Ya Feng Gong

Keywords:

Model Updating, Response Surface Method (RSM), Special-Shaped Bridge, Uniform Design

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