BROACHING OF A FISHING VESSEL IN FOLLOWING AND QUARTERING SEAS - NONLINEAR DYNAMICAL SYSTEM APPROACH

The nonlinear dynamical system theory has been applied to the broaching phenomenon, which is an unstable and non-periodic yaw behaviour of a ship running with a wave. A mathematical model for surge-sway-yaw-rudder motion with low encounter frequency is presented and a prediction method for wave forces in the model is validated with experimental results of a displacement-type fishing vessel in a seakeeping basin. Nonlinear analysis associated with equilibria is used to identify necessary condition for broaching. A methodology for nonlinear analysis associated with periodic orbits is presented. Some numerical examples for fishing vessels are shown.

  • Supplemental Notes:
    • STAB 94, 5th Intl Conf on Stability of Ships and Ocean Vehicles; 7-11 Nov 1994; Florida, USA. Sponsored by SNAME, USA and RINA, UK. Procs. Publ by Florida Inst Technology, USA. Vol 3, session 11 [18 p, 12 ref, 3 tab, 11 fig]
  • Authors:
    • UMEDA, N
    • Renilson, M R
  • Publication Date: 1994

Language

  • English

Subject/Index Terms

Filing Info

  • Accession Number: 00717284
  • Record Type: Publication
  • Source Agency: British Maritime Technology
  • Files: TRIS
  • Created Date: Mar 4 1996 12:00AM