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Abstract

Model tests were conducted to investigate the global response of a conventional tension leg platform (TLP) due to wave-in-deck loads associated with extreme wave events in irregular long-crested waves of a cyclonic sea state. The experimental setup was designed to allow for the simultaneous measurement of wave surface elevations, rigid body motions, tendon tensions, as well as the pressure distribution at the model's deck underside. The obtained results demonstrated the variability of all the measurements and provided insights into the effect of wave-in-deck loads on the platform behaviour, tendon tensions and slamming pressures and showed qualitative correlations between these parameters. Based on the repeated tests in several events with different wave parameters, general observations and conclusions were made with respect to the platform dynamics during the deck impact, tendon tensions, slack tendon situations, tendon ringing and local impact pressures. The results of this study could be used for calibrating computational fluid dynamics (CFD) tools.

Item Type:	Article
Authors/Creators:	Abdussamie, N and Drobyshevski, Y and Ojeda, R and Thomas, G and Amin, W
Keywords:	extreme waves, cyclonic conditions, tension leg platforms, wave-in-deck loads, dynamic response
Journal or Publication Title:	Ocean Engineering
Publisher:	Pergamon-Elsevier Science Ltd
ISSN:	0029-8018
DOI / ID Number:	https://doi.org/10.1016/j.oceaneng.2017.07.037
Copyright Information:	Copyright 2017 Elsevier Ltd.
Related URLs:	Google Scholar: Abdussamie, N UTAS Profile: Ojeda, R
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