Three models of the Sixty series Parent Form were tested in the Delft Towing Tank in order to determine bending moments in waves. The models were made of fibre glass polyester laminates and strains were measured by means of resistance strain gauges in S sections of each model. The block coefficients of the models were C B = 0.60 , 0.70 and 0.80 resp. Runs were made in regular head seas with wave height varying from 2 r / L = 1 / 48 to 2 r / L = 1 / 30 and in waves having a length of λ / L = 0.75 , 1.00 and 1.25 resp.

    After a short description of previous work in this field the test set up is discussed and test data of all three models are given.

    A discussion of the results is followed by a comparison with conventional calculations.

    A report on the motions of these models in longitudinal waves was published by the Netherlands’ Research Centre TNO for Shipbuilding and Navigation in February 1960, as Report No. 35 S. It also appeared in the February number of this year of International Shipbuilding Progress, (Ref. [14].)


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    Titel :

    Experimental determination of bending moments for three models of different fullness in regular waves1


    Beteiligte:
    de Does, J.Ch. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1960-04-01


    Format / Umfang :

    22 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Schlagwörter :


    Vertical motions and bending moments in regular waves

    Joosen, W.P.A. / Wahab, R. / Woortman, J.J. | IOS Press | 1968


    Analytical calculation of ship bending moments in regular waves

    Jacobs, W.R. | Engineering Index Backfile | 1958




    Bending moments of ships among waves

    Alexander, F.H. | Engineering Index Backfile | 1911