Combined Steady State and Transient Analysis of a Patrol Vessel as Affected by Varying Amounts of Damping and Periodic and Random Wave Excitation Academic Article uri icon

abstract

  • In this paper various techniques of dynamical system analysis are used to analyze the effect of damping on large amplitude nonlinear ship-rolling motion of a patrol vessel. In particular steady state magnification curves, Poincare maps are for harmonic forcing and project phase planes are for random forcing. It has been found that varying amounts of damping substantially affect the vessels critical behavior. This is important since most stability regulations ignore damping and solely concentrate on the vessels righting ram curve. Moreover roll damping is difficult to predict accurately and small changes in damping may have a significant effect.

published proceedings

  • JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING-TRANSACTIONS OF THE ASME

author list (cited authors)

  • Falzarano, J. M., Vishnubhotla, S., & Juckett, S. E.

citation count

  • 2

complete list of authors

  • Falzarano, Jeffrey M||Vishnubhotla, Srinivas||Juckett, Sarah E

publication date

  • February 2010