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Mode Shape-Based Damage Detection Method (MSDI): Experimental Validation
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Mode Shape-Based Damage Detection Method (MSDI): Experimental Validation
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Mode Shape-Based Damage Detection Method (MSDI): Experimental Validation
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Journal Article
Mode Shape-Based Damage Detection Method (MSDI): Experimental Validation
2021
Overview
The main principle of vibration-based damage detection in structures is to interpret the changes in dynamic properties of the structure as indicators of damage. In this study, the mode shape damage index (MSDI) method was used to identify discrete damages in plate-like structures. This damage index is based on the difference between modified modal displacements in the undamaged and damaged state of the structure. In order to assess the advantages and limitations of the proposed algorithm, we performed experimental modal analysis on a reinforced concrete (RC) plate under 10 different damage cases. The MSDI values were calculated through considering single and/or multiple damage locations, different levels of damage, and boundary conditions. The experimental results confirmed that the MSDI method can be used to detect the existence of damage, identify single and/or multiple damage locations, and estimate damage severity in the case of single discrete damage.
Publisher
MDPI AG
