Updating and verification for multi-scale finite element model of structure behavior
Sun, Zhenghua, Li, Zhaoxia, & Chan, Tommy H.T. (2009) Updating and verification for multi-scale finite element model of structure behavior. Journal of Southeast University (Natural Science Edition) [东南大学学报（自然科学版）], 39(1), pp. 85-90.
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The method on concurrent multi-scale model of structural behavior (CMSM-of-SB) for the purpose of structural health monitoring including model updating and validating has been studied. The detailed process of model updating and validating is discussed in terms of reduced scale specimen of the steel box girder in longitudinal stiffening truss of a long span bridge. Firstly, some influence factors affecting the accuracy of the CMSM-of-SB including the boundary restraint regidity, the geometry and material parameters on the toe of the weld and its neighbor are analyzed using sensitivity method. Then, sensitivity-based model updating technology is adopted to update the developed CMSM-of-SB and model verification is carried out through calculating and comparing stresses on different locations under various loading from dynamic characteristic and static response. It can be concluded that the CMSM-of-SB based on the substructure method is valid.
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|Item Type:||Journal Article|
|Additional Information:||Chinese publication title: 结构行为一致多尺度有限元模型修正及验证|
|Keywords:||Structural Health Monitoring, concurrent multi-scale modeling, model updating , model verification, bridge stiffening truss|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment|
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2009 Dongnan Daxue [东南大学]|
|Deposited On:||23 May 2012 10:44|
|Last Modified:||23 May 2012 10:52|
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