Stochastic optimization techniques for NDE of bridges using vibration signatures

Jin-Hak Yi; Maria Qing Feng

doi:10.1117/12.482766

18 August 2003 Stochastic optimization techniques for NDE of bridges using vibration signatures

Jin-Hak Yi, Maria Qing Feng

Proceedings Volume 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures; (2003) https://doi.org/10.1117/12.482766
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

A baseline model updating is the first step for the model-based non destructive evaluation for civil infrastructures. Many researches have been drawn to obtain a more reliable baseline model. In this study, heuristic optimization techniques (or called as stochastic optimization techniques) including the genetic algorithm, the simulated annealing, and the tabu search, were have been investigated for constructing the reliable baseline model for an instrumented new highway bridge, and also were compared with the result of conventional sensitivity method. The preliminary finite element model of the bridge was successfully updated to a baseline model based on measured vibration data.

Citation Download Citation

Jin-Hak Yi and Maria Qing Feng "Stochastic optimization techniques for NDE of bridges using vibration signatures", Proc. SPIE 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures, (18 August 2003); https://doi.org/10.1117/12.482766

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