METHOD FOR SHIP'S ROLLING PERIOD PREDICTION WITH REGARD TO NON-LINEARITY OF GZ CURVE - Publication - Bridge of Knowledge

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METHOD FOR SHIP'S ROLLING PERIOD PREDICTION WITH REGARD TO NON-LINEARITY OF GZ CURVE

Abstract

The paper deals with the problem of prediction of the rolling period. A special emphasis is put on the practical application of the new method for rolling period prediction with regard to non-linearity of the GZ curve. The one degree-of-freedom rolling equation is applied with using the non-linear stiffness moment and linear damping moment formulas. A number of ships are considered to research the discrepancies between the pending GM-based IMO- -recommended method and the results of conducted numerical simulations performed for a wide range of operational loading conditions. Since the research shows some drawbacks of the IMO formula for the ship rolling period, a new formula is worked out and proposed instead.

Citations

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Authors (2)

  • Photo of dr inż. Wojciech Wawrzyński

    Wojciech Wawrzyński dr inż.

  • Photo of dr hab. inż. Przemysław Krata

    Przemysław Krata dr hab. inż.

    • Gdynia Maritime University

Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Journal of Theoretical and Applied Mechanics no. 54, pages 1329 - 1343,
ISSN: 1429-2955
Language:
English
Publication year:
2016
Bibliographic description:
Wawrzyński W., Krata P.: METHOD FOR SHIP'S ROLLING PERIOD PREDICTION WITH REGARD TO NON-LINEARITY OF GZ CURVE// Journal of Theoretical and Applied Mechanics -Vol. 4, (2016), s.1329-1343
DOI:
Digital Object Identifier (open in new tab) 10.15632/jtam-pl.54.4.1329
Verified by:
Gdańsk University of Technology

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