Damage Identification of Beam Structures Based on Genetic Algorithm and Sensitivity Analysis

Tian Li Huang; Wei Xin Ren

doi:10.4028/www.scientific.net/AMR.455-456.1474

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 455-456Damage Identification of Beam Structures Based on...

Damage Identification of Beam Structures Based on Genetic Algorithm and Sensitivity Analysis

Abstract:

Based on the damage scalar model and the sensitivity analysis of frequency and mode shape, the Combined Multiple Damage Location Assurance Criterion (CMDLAC) based on the change of frequencies and mode shapes was proposed. Then, the damage identification problem is transformed to the constrained optimum problem and the genetic algorithm (GA) is adopted for the damage localization of beam structures. At last, the numerical simulation results of a 3-span continuum beam structure verified the proposed method.

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Periodical:

Advanced Materials Research (Volumes 455-456)

Pages:

1474-1479

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.455-456.1474

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Online since:

January 2012

Authors:

Tian Li Huang, Wei Xin Ren

Keywords:

Combined Multiple Damage Location Assurance Criterion (CMDLAC), Damage Identification, Genetic Algorithm (GA), Sensitivity Analysis

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