The present research proposes the use of linear model updating along with unrestricted optimization methods, in order to obtain a methodology, which allows the calibration of mathematical models of rotating systems. An experimental set up of a symmetric rotor, on a rigid foundation supported by two hydrodynamic cylindrical bearings and with a central disk of considerable mass, working as an unbalancing excitation force, was used for this purpose. Once the numeric and experimental values are obtained, error vectors are then defined, which serve as minimization parameters, through the variation of the numeric model parameters. The method presented satisfactory results, as it was able to calibrate the mathematical model and then from that, obtain reliable responses for the physical system studied. The research also presents a significant contribution for the area of rotating machine design as it presents a relatively simple and robust methodology on the updating and revalidation of computational models for machines and structures.


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    Titel :

    Linear Model Updating Applied to Rotating Machines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    International Mobility Technology Conference and Exhibit ; 2000



    Erscheinungsdatum :

    01.12.2000




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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