Retraction: Numerical study for single and multiple damage detection and localization in beam-like structures using BAT algorithm

Khatir, SamirĀ; Belaidi, IdirĀ; Serra, Roger; Wahab, MagdĀ AbdelĀ; Khatir, TawfiqĀ

doi:10.21595/jve.2017.19532

Cited by 10 publications

(9 citation statements)

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“…Various studies have been devoted to structural damage detection utilizing finite element model updating by evolutionary algorithms. For instance, Khatir et al [13] proposed an inverse problem method to detect and estimate damages in beam-like structures using Particle Swarm Optimization (PSO) and Bat Algorithm (BA). Kourehli [14] proposed three damage detection methods based on modal data and static response of the damaged structure utilizing Simulated Annealing (SA).…”

Section: Introductionmentioning

confidence: 99%

Boundary Strategy for Optimization-based Structural Damage Detection Problem using Metaheuristic Algorithms

Kaveh

Hosseini

Zaerreza

2020

Period. Polytech. Civil Eng.

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The present paper proposes a new strategy namely Boundary Strategy (BS) in the process of optimization-based damage detection using metaheuristic algorithms. This strategy gradually neutralizes the effects of structural elements that are healthy in the optimization process. BS causes the optimization method to find the optimum solution better than conventional methods that do not use the proposed BS. This technique improves both aspects of the accuracy and convergence speed of the algorithms in identifying and quantifying the damage. To evaluate the performance of the developed strategy, a new damage-sensitive cost function, which is defined based on vibration data of the structure, is optimized utilizing the Shuffled Shepherd Optimization Algorithm (SSOA). Different examples including truss, beam, and frame are investigated numerically in order to indicate the applicability of the proposed technique. The proposed approach is also applied to other well-known optimization algorithms including TLBO, GWO, and MFO. The obtained results illustrate that the proposed method improves the performance of the utilized algorithms in identifying and quantifying of the damaged elements, even for noise-contaminated data.

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Section: Introductionmentioning

confidence: 99%

Boundary Strategy for Optimization-based Structural Damage Detection Problem using Metaheuristic Algorithms

Kaveh

Hosseini

Zaerreza

2020

Period. Polytech. Civil Eng.

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“…Zenzen et al coupled FRF with BAT algorithm, minimizing the objective function based on intact and damaged structure natural frequency [12]. Khatir et al proposed a damage detection technique using change in natural frequency and Modal Scale Factor (MSF) to minimize an objective function through PSO and BAT algorithm [13]. Pan and Zhang et al Formulated a Noise Response Rate (NRR) in an inverse problem to select the specific mode shape for damage detection based on mode shape sensitivity to noise.…”

Section: Introductionmentioning

confidence: 99%

Damage detection in a fixed-fixed beam using natural frequency changes

Khan¹,

Din²,

Haq³

2020

Vib. proced.

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This paper presents a damage detection technique which uses change in Frequency Response Function (FRF) and Modal Strain Energy (MSE) for damage detection in beam and truss like structures. It's a robust approach for Structural Health Monitoring (SHM) using natural frequency for structural damage assessment. This technique couples FRF with Iterative Modal Strain Energy (IMSE) method to accurately localize and quantify the damage with only few frequencies, overcoming the limitation of mode shape based damage detection methods which requires mode shapes at full coordinates but damage is either over/underestimated. In the current approach, a damage detection algorithm is developed and validated by conducting numerical studies for a Fixed-Fixed beam, both noise-free and noise-effected cases are simulated. The numerical studies reveal that proposed algorithm is capable of identifying, localizing and quantifying the damage accurately at reduce computational cost.

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“…A vibration based Structural Health Monitoring (SHM) methods with emphasis on composite materials have been reviewed by Montalvao [15]. A new damage detection and localization technique based on the changes in vibration parameters using BAT and Particle Swarm Optimization algorithm was developed [16]. Furthermore, a damage detection and localization on thin plates based on vibration analysis using Bat algorithm was reported in [17].…”

Section: Introductionmentioning

confidence: 99%

Multiple damage detection in composite beams using Particle Swarm Optimization and Genetic Algorithm

Khatir¹,

Belaidi²,

Khatir³

et al. 2017

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Retraction: Numerical study for single and multiple damage detection and localization in beam-like structures using BAT algorithm

Cited by 10 publications

References 0 publications

Boundary Strategy for Optimization-based Structural Damage Detection Problem using Metaheuristic Algorithms

Boundary Strategy for Optimization-based Structural Damage Detection Problem using Metaheuristic Algorithms

Damage detection in a fixed-fixed beam using natural frequency changes

Multiple damage detection in composite beams using Particle Swarm Optimization and Genetic Algorithm

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