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A platform for research: civil engineering, architecture and urbanism
Vibration‐Based Damage Identification Methods
This chapter offers a comprehensive and updated review on various methods for detecting and localising damage in a structure using measured vibration modal data. First, proper structural modelling is discussed for damage identification to accurately represent the behaviour of a structure and to characterise damage in the structure. Depending on the selected damage indicators, two commonly used types of damage identification methods are discussed. One type uses the change of modal parameters and their derivatives, such as natural frequencies, mode shapes and their curvatures, frequency response functions and modal strain energy. Another type of method uses the change of structural parameters, such as flexibility matrix, strain energy and modal strain. Finally, advanced computational methods such as pattern recognition and neural networks are introduced for damage identification in civil structures.
Vibration‐Based Damage Identification Methods
This chapter offers a comprehensive and updated review on various methods for detecting and localising damage in a structure using measured vibration modal data. First, proper structural modelling is discussed for damage identification to accurately represent the behaviour of a structure and to characterise damage in the structure. Depending on the selected damage indicators, two commonly used types of damage identification methods are discussed. One type uses the change of modal parameters and their derivatives, such as natural frequencies, mode shapes and their curvatures, frequency response functions and modal strain energy. Another type of method uses the change of structural parameters, such as flexibility matrix, strain energy and modal strain. Finally, advanced computational methods such as pattern recognition and neural networks are introduced for damage identification in civil structures.
Vibration‐Based Damage Identification Methods
Chen, Hua‐Peng (author) / Ni, Yi‐Qing (author)
2018-03-12
39 pages
Article/Chapter (Book)
Electronic Resource
English
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