Abstract
Retraction: Multiple damage detection and localization in beam-like and complex structures using co-ordinate modal assurance criterion combined with firefly and genetic algorithms
Highlights
Damage detection in civil engineering constructions using dynamic system parameters has become an important research topic
We investigate the accuracy of the proposed optimization techniques by considering two numerical examples, namely supported beam and a two-dimensional frame structure
Firefly Algorithm (FA) and Genetic Algorithm (GA) are applied to these damage scenarios and the locations of damage and its severities are identified
Summary
Damage detection in civil engineering constructions using dynamic system parameters has become an important research topic. The change in modal parameters e.g. natural frequencies, damping ratios and mode shapes can indicate the presence of damage and its severity. Applications of this concept have been reported in the literature, such as damage detection in composite materials [5] and in off-shore structures [6]. The updated parameters can be used afterwards to evaluate damage and identify its location The drawback of such a method lies in the requirement of reducing the numerical model or extending the measured modal parameters.
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