Results 231 to 240 of about 4,075,278 (310)

Modal identification of concrete arch dam by fully automated operational modal identification

Structures, 2021
Abstract Modal identification is a type of system identification, which studies on the modal parameters of systems by using modal test. In the case of using operational or ambient modal analysis, there is no need to measure excitation, and the system output data are adequate for identification purposes.
Hasan Mostafaei   +2 more
openaire   +2 more sources

Fully automated precise operational modal identification

, 2021
Modal identification has been playing an important role in structural health monitoring. Traditional modal identification process requires too much user interaction and many manually defined thresholds.
Min He   +4 more
semanticscholar   +1 more source

Modal Identification of Bridges Using Asynchronous Responses through an Enhanced Natural Excitation Technique

Journal of engineering mechanics, 2021
Operational modal identification is indispensable in bridge health monitoring because it estimates modal parameters only from the multiple-channel responses of bridges under ambient excitat...
Xiao-Mei Yang, T. Yi, C. Qu, Hongnan Li
semanticscholar   +1 more source

Cable Modal Parameter Identification. II: Modal Tests

Journal of Engineering Mechanics, 2009
The cable dynamic stiffness describes the load – deformation behavior that reflects the cable intrinsic dynamic characteristics. It is defined as a ratio of response to excitation and represents a very similar frequency response property to the frequency response function (FRF). Therefore, by fitting both analytical cable dynamic stiffness and measured
Wei-Xin Ren, Wei-Hua Hu
openaire   +1 more source

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