Multiresolution Bayesian nonparametric general regression for structural model updating
Yuen, Ka-Veng; Ortiz, Gilberto A.
AbstractA novel Bayesian method, namely, multiresolution Bayesian nonparametric general regression (MR-BNGR), is proposed for structural model updating using modal data, that is, identified natural frequencies and mode shapes. In this method, the model updating problem is posed as a non-linear regression problem from the modal data to the structural parameters. The proposed method is nonparametric, so it does not require an explicit functional form of this mapping. Instead, it utilizes the input-output data to adaptively model its relationship. Its multiresolution nature allows to zoom into the significant region in stages to search the optimal point. Furthermore, the estimation uncertainty can be quantified. Training of the MR-BNGR network is very straightforward and computationally economical. Examples of a 20-storey shear building and a three-dimensional truss are provided to demonstrate the capabilities of the proposed MR-BNGR method, and the results confirm the effectiveness of this novel method.
KeywordBayesian inference general regression modal data model updating nonparametric method structural health monitoring
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Indexed BySCI
WOS Research AreaConstruction & Building Technology ; Engineering ; Instruments & Instrumentation
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Instruments & Instrumentation
WOS IDWOS:000419935700015
The Source to ArticleWOS
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Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
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GB/T 7714
Yuen, Ka-Veng,Ortiz, Gilberto A.. Multiresolution Bayesian nonparametric general regression for structural model updating[J]. STRUCTURAL CONTROL & HEALTH MONITORING,2018,25(2).
APA Yuen, Ka-Veng,&Ortiz, Gilberto A..(2018).Multiresolution Bayesian nonparametric general regression for structural model updating.STRUCTURAL CONTROL & HEALTH MONITORING,25(2).
MLA Yuen, Ka-Veng,et al."Multiresolution Bayesian nonparametric general regression for structural model updating".STRUCTURAL CONTROL & HEALTH MONITORING 25.2(2018).
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