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Fakulteta za strojništvo, Ljubljana (FSLJ)
  • Location-specific weighting of the high-speed camerabased full-field model updating [Elektronski vir]
    Zaletelj, Klemen, strojnik ; Slavič, Janko, 1978- ; Boltežar, Miha
    Full-field modal shapes, identified from the high-speed camera measurement, offer local information of the structural behavior and have been successfully used to identify a large number of localized ... updating parameters. The camera based full-field shapes are typically contaminated with noise. In the finite element model updating procedure, the numerical response of the structure is compared with the measured data which are unreliable due to the noise and possibly lead to incorrect parameter identification. In this research, the local Signal-to-Noise Ratio (SNR) of the modal shape is investigated; two location specific weighting methods are implemented and their effect on model updating is evaluated. It was found that with the appropriate location-specific weights, the large number of localized parameters are successfully identified, and the localized anomalies of the structure are detected despite the noisy modal shapes.
    Vir: Proceedings of ISMA2022 International Conference on Noise and Vibration Engineering [and] USD2022 International Conference on Uncertainty in Structural Dynamics [Elektronski vir] : Leuven, 12 to 14 September, 2022 (Str. 2885-2891)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2022
    Jezik - angleški
    COBISS.SI-ID - 140608003

    Povezava(-e):

    https://past.isma-isaac.be/downloads/isma2022/proceedings/Contribution_190_proceeding_3.pdf

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