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Simulation on structural response by finite element model dealing with local details (in Chinese)

Sun, Z.H. , Li, Z.X. , Chan, Tommy H.T., & Yin, A.G. (2007) Simulation on structural response by finite element model dealing with local details (in Chinese). Special Structures, 24(1), pp. 71-75.

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Abstract

This paper studies how to develop the multi2scale FE models in which the feature of local detailed such as the stress concentration on the welded components can be considered and to make the simulation on the structural response as well as local stress on hot-spots . Therefore , the multi-scale FE model including welded components of the longitudinal fortified truss of bridge steel box girder is developed based on substructure and coupling equations respectively , then modal and static analysis are carried out by using the developed FE model in this paper. The results of the dynamic properties and stresses calculated by the multi-scale FE model are compared with those from the experiment and those calculated by traditional FE models , which suggests that the developed multi-scale FE model of the studied truss based on substructure would be valid in the analyses on both structural and local hotspot behavior. The proposed approach for FE modeling can be used to develop the multi-scale models of long-span bridges as the basic model of the structure in the further nonlinear static simulation such as the hot spot stress analysis.

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ID Code: 13507
Item Type: Journal Article
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author.
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Keywords: model updating, substructure, error localization, parameters updating, Runyang Bridge
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2007 China Academic Journal Electronic Publishing House
Deposited On: 07 May 2008
Last Modified: 11 Aug 2011 04:32

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