Response control of offshore tension leg platforms (TLP) using a passive damper is studied. The study is attempted to control the large surge motion of a TLP. Tuned mass damper (TMD) is used for the control purpose as it effectively controls the motion of the primary structure under the lateral loads. Experimental investigations are carried out on a scaled model of TLP with TMD under regular waves to examine the effectiveness of TMD in controlling the surge response of TLP. TMDs with two different mass ratios, which are tuned to that of the structural characteristics of TLP model, are used in the study. Based on the studies conducted, it is seen that there is an effective control of surge response in certain bandwidths of wave periods under the chosen mass ratio. It is also seen that the presence of TMD controls heave and pitch response as well in addition to exhibiting reduction in tether tension variation. Attempted study is novel in terms of its application to offshore compliant structures although TMDs are commonly used in the response control of onshore structural systems.


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    Titel :

    Response control of tension leg platform with passive damper: experimental investigations



    Erschienen in:

    Erscheinungsdatum :

    2017




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    50.92 / 50.92 Meerestechnik / 55.40 / 55.40 Schiffstechnik, Schiffbau




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