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Finite element model updating using estimation of distribution algorithm

Wang, Y and Zhang, T (2013) Finite element model updating using estimation of distribution algorithm In: SHMII-6 2013: The 6th International Conference on Structural Health Monitoring of Intelligent Infrastructure, 2013-12-09 - 2013-12-09, Hong Kong, China.

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Finite Element (FE) model updating has been attracting research attentions in structural engineering fields for over 20 years. Its immense importance to the design, construction and maintenance of civil and mechanical structures has been highly recognised. However, many sources of uncertainties may affect the updating results. These uncertainties may be caused by FE modelling errors, measurement noises, signal processing techniques, and so on. Therefore, research efforts on model updating have been focusing on tackling with uncertainties for a long time. Recently, a new type of evolutionary algorithms has been developed to address uncertainty problems, known as Estimation of Distribution Algorithms (EDAs). EDAs are evolutionary algorithms based on estimation and sampling from probabilistic models and able to overcome some of the drawbacks exhibited by traditional genetic algorithms (GAs). In this paper, a numerical steel simple beam is constructed in commercial software ANSYS. The various damage scenarios are simulated and EDAs are employed to identify damages via FE model updating process. The results show that the performances of EDAs for model updating are efficient and reliable.

Item Type: Conference or Workshop Item (Conference Paper)
Subjects : Civil Engineering
Divisions : Surrey research (other units)
Authors :
Zhang, T
Date : 2013
Copyright Disclaimer : ©2013, Hong Kong Polytechnic University
Contributors :
publisherHong Kong Polytechnic University,
Uncontrolled Keywords : Finite element, Model updating, Estimation of distribution algorithms
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:55
Last Modified : 23 Jan 2020 18:59

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