Dynamic Analysis of Deep Water Tension Leg Platforms Under Random Waves-Reference-Cited by-同舟云学术

Dynamic Analysis of Deep Water Tension Leg Platforms Under Random Waves

Published:2010-10-20 Issue:4 Volume:132 Page:
ISSN:0892-7219
Container-title:Journal of Offshore Mechanics and Arctic Engineering
language:en
Short-container-title:

Author:

Jayalekshmi R.¹,Sundaravadivelu R.²,Idichandy V. G.²

Affiliation:

1. Department of Civil Engineering, NSS College of Engineering, Palakkad, Kerala 678008, India

2. Department of Ocean Engineering, Indian Institute of Technology, Madras, Chennai 600036, India

Abstract

The effect of tether-riser dynamics on the response characteristics of deep water tension leg platforms in water depths 900 m and 1800 m under random waves is investigated using a developed nonlinear finite element analysis program in the time-domain. Updated Lagrangian coordinates and incremental iterative solution based on Newmark’s integration scheme are adopted. Linear wave theory is used. Relative velocity form of Morison’s equation is used for estimating the wave forces. Current forces are also included in the analysis. Results are reported in the form of statistical values of responses. The statistical values of responses are found to increase with water depth and significant increase is observed when risers are included.

Publisher

ASME International

Subject

Mechanical Engineering,Ocean Engineering

Link

http://asmedigitalcollection.asme.org/offshoremechanics/article-pdf/doi/10.1115/1.4001432/5723380/041605_1.pdf

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