Application of extended state space to nonlinear ship rolling Academic Article

abstract

• It is well known in the field of marine hydrodynamics that the added mass, damping and wave exciting forces are functions of frequency (Newman, 1977. Marine Hydrodynamics. MIT Press, Cambridge). Although most previous studies of nonlinear ship rolling motion have assumed that these forces do not vary with frequency, in this study the frequency dependent added mass and damping coefficients are approximated in the time domain with extended state space variables. Using numerical time simulation (integration), the extended state space model is compared to the constant coefficient model with a constant frequency forcing and the results for two constant value approximations of the added mass and damping are compared to the extended state space model with a multiple component pseudo random forcing.

authors

• Falzarano, Jeffrey

published proceedings

• OCEAN ENGINEERING

author list (cited authors)

• Holappa, K. W., & Falzarano, J. M.

citation count

• 27

complete list of authors

• Holappa, KW||Falzarano, JM

publication date

• January 1999

publisher

• Elsevier  Publisher

published in

• Ocean Engineering  Journal

keywords

• Extended State Space
• Nonlinear Ship Rolling

Digital Object Identifier (DOI)

• 10.1016/s0029-8018(97)10027-0

start page

• 227

end page

• 240

volume

• 26

issue

• 3

URL

• http%3A%2F%2Fdx.doi.org%2F10.1016%2Fs0029-8018%2897%2910027-0

user-defined tag

• 14 Life Below Water