Survival analysis of a deep-water floating offshore platform about its critical axis including coupling

Ravikiran S. Kota, Jeffrey M. Falzarano, Alexander Vakakis

Research output: Contribution to conferencePaperpeer-review

Abstract

The global nonlinear dynamics of a typical mobile offshore drilling unit (MODU) about its critical, approximately quartering axis is described. It is well known that short and wide twin hull vessels such as MODUs have minimum righting moment about an approximately quartering axis. The effect of the out-of-plane coupling is investigated using advanced decoupling techniques known as nonlinear normal modes. These techniques are applied to the capsized MODU Ocean Ranger as an example.

Original languageEnglish (US)
Pages492-498
Number of pages7
StatePublished - Jan 1 1997
Externally publishedYes
EventProceedings of the 1997 7th International Offshore and Polar Engineering Conference. Part 3 (of 4) - Honolulu, HI, USA
Duration: May 25 1997May 30 1997

Other

OtherProceedings of the 1997 7th International Offshore and Polar Engineering Conference. Part 3 (of 4)
CityHonolulu, HI, USA
Period5/25/975/30/97

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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