26 February 2009

(1988) Huss - The Stability Of Ships In Waves: A Comparative Study Of Modern Hull Forms With Large B/T Ratio

Mikael Huss, The Stability Of Ships In Waves: A Comparative Study Of Modern Hull Forms With Large B/T Ratio, Report TRITA-SKP 1060 (1988) ISSN:0349-0025



The Stability Of Ships In Waves: A Comparative Study Of Modern Hull Forms With Large B/T Ratio
Mikael Huss, [Senior research engineer, KTH - Kungliga Tekniska Högskolan, Sweden]

ABSTRACT
The variation of initial stability in waves has been studied for different hull forms with large B/T. The study was performed in regular following waves with close to zero encountering frequency as well as in regular waves with a frequency in resonance with parametric excitation of roll. The variation of restoring moment was calculated with a quasi-static approach taking into account the influence from the position of the wave profile and the ships vertical motions calculated with linear strip theory.
The study shows that both the sectional forms of the hull and the B/T ratio has a significant influence on the stability variation in waves.


Contents:

1 Introduction
2 Hull Forms
3 Loss Of Stability In Waves With Close To Zero Encountering Frequencies
4 Parametric Excitation Of Roll
5 Reference To Model Test
6 Influence Of B/T Ratio
7 Conclusions
References,
Acknowledgements

Source : mhuss.se

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