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Catinaccio, A.

Paper Title Page
MOPAN075 Experimental Modal Analysis of Components of the LHC Experiments 329
  • M. Guinchard, K. Artoos, A. Catinaccio, K. Kershaw, A. Onnela
    CERN, Geneva
  Experimental modal analysis of components of the LHC Experiments is performed with the purpose of determining their fundamental frequencies, their damping and the mode shapes of light and fragile detectors components. This process permits to confirm or replace Finite Element analysis in the case of complex structure (with cables and substructure coupling). It helps solving structural mechanics problems to improve the operational stability and determine the acceleration specifications for transport operations. This paper describes the hardware and software equipments used to perform a modal analysis on particular structures such as a particle detectors and the method of curve fitting to extract the results of the measurements. This paper exposes also the main results obtained for the LHC Experiments.