Non-linear tower motions in waves

D. J. Dimelow*, R. D. Neilson, T. O'Donoghue

*Corresponding author for this work

Research output: Contribution to conferenceUnpublished paperpeer-review

3 Citations (Scopus)

Abstract

The dynamics of an offshore mooring tower are complex due to the large non-linearities inherent in a system of this type. The paper presents comparisons of measured motions with theoretical predictions of motion for some simplified single-degree-of-freedom models for such a system. Numerical predictions of motion for the full two-degree-of-freedom system are presented, and reveal large amplitude motions, multiple solutions, sub-harmonic motions and even the potential for chaotic vibrations of the tower.

Original languageEnglish
Pages240-246
Number of pages7
Publication statusPublished - 1996
EventProceedings of the 1996 6th International Offshore and Polar Engineering Conference. Part 1 (of 4) - Los Angeles, CA, USA
Duration: 26 May 199631 May 1996

Conference

ConferenceProceedings of the 1996 6th International Offshore and Polar Engineering Conference. Part 1 (of 4)
CityLos Angeles, CA, USA
Period26/05/9631/05/96

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