Structural damage identification of bridge using high dimensional model representation

2020 ◽  
pp. 1-13
Author(s):  
B. O. Naveen ◽  
A. S. Balu
Keyword(s):  
Structural Damage ◽  
Damage Identification ◽  
Model Representation ◽  
High Dimensional ◽  
High Dimensional Model Representation ◽  
Dimensional Model ◽  
Structural Damage Identification

HDMR-Based Model Update in Structural Damage Identification

2019 ◽  
Vol 16 (05) ◽  
pp. 1840004
Author(s):  
B. O. Naveen ◽  
A. S. Balu
Keyword(s):  
Genetic Algorithm ◽  
Structural Damage ◽  
Damage Identification ◽  
Model Updating ◽  
High Dimensional ◽  
High Dimensional Model Representation ◽  
Dimensional Model ◽  
Simply Supported ◽  
Model Update ◽  
Structural Responses

This paper presents a practical approach of model updating based on high-dimensional model representation (HDMR). The proposed methodology involves integrated finite element modeling, obtaining explicit relationships between the structural responses and parameters using HDMR and minimization of objective function developed using structural responses obtained from HDMR approximation functions using genetic algorithm. First, the efficiency of the proposed method is demonstrated by considering a simply supported beam example. Later model updating of an existing bridge is considered to check the adequacy of the proposed method.

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