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EWSHM-6
Experimental Study of a Model-Free Method for Identification of Stiffness-Related Structural Damages
Experimental Study of a Model-Free Method for Identification of Stiffness-Related Structural Damages [1372]
Автор(ы): G. Suwala, L. Jankowski
Количество страниц: 8
Год: 2012
Аннотация[275 КБ] 
Код: 10839
Описание
6th European Workshop on Structural Health Monitoring. Dresden. Germany. 2012. Report. This paper presents a theoretical derivation and an experimental verification of a model-free method for identification of stiffness-related damages. The proposed method requires no parametric numerical model of the monitored structure, which obviates the need for initial model updating and fine tuning. The paper introduces the general methodology, including the inverse problem, focuses it on stiffness-related damages, and reports on an experimental verification. A 4-meter-long, 70-element truss steel structure made of a commercially available system of nodes and connecting tubes is used for that purpose. Damage is simulated by an intentional replacement of a structural element.
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