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Experimental investigation of wave-in-deck impact events on a TLP model

Abdussamie, N; Drobyshevski, Y; Ojeda, R; Thomas, GA; Amin, W; (2017) Experimental investigation of wave-in-deck impact events on a TLP model. Ocean Engineering , 142 pp. 541-562. 10.1016/j.oceaneng.2017.07.037. Green open access

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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.

Type: Article
Title: Experimental investigation of wave-in-deck impact events on a TLP model
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.oceaneng.2017.07.037
Publisher version: http://dx.doi.org/doi.org/10.1016/j.oceaneng.2017....
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Extreme waves; cyclonic conditions, tension leg platforms; wave-in-deck loads; dynamic response.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/1563580
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