• effect of passive dampers on dynamic response of fixed offshore platforms subject to sea specturm

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1387/01/01
    • تاریخ انتشار در تی پی بین: 1387/01/01
    • تعداد بازدید: 893
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     fixed offshore platforms are subjected to various loads. one of the most important loads is due to waves. to ensure the safety of the platform and to reduce the down time to a minimum, the displacement of the platform must be kept in a certain limit. in this regard, a new technique uses passive dampers. instead of decreasing the amplitude of motion by increasing the stiffness of the structure, passive dampers increase the damping of the system to limit the amplitude of the response. in this research the effect of passive dampers on the response of a fixed platform subjected to waves is studied and the application of two kinds of passive dampers (viscous and viscoelastic dampers) is considered. it is observed that the additional dampers add substantial damping to structure and thus favorably control the response of platform structure.

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