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Slamming Force Contributions due to Plunging Breakers on Different Geometrical Cylinders

Lookup NU author(s): Dr Xin Wang, Dr Arun Dev, Professor Longbin Tao, De Chia

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Abstract

Plunging breakers, unlike non-breaking waves, impose additional slamming load on the offshore structures. This additional slamming load is considered an extreme event and is one of the most devastating forces that an offshore structure could encounter during its operational lifecycle. Whilst there are design guidelines for offshore structures pertaining to breaking waves, however it is limited to only cylindrical shape. The amount of slamming load contribution by the plunging jet is also dependent on the cross section geometries of the offshore structures. Different geometries would give rise to different air entrainment phenomenon during wave breaking and therefore affecting the slamming load contributions. In this research, JONSWAP spectrum was used to create plunging breakers via the focusing method at Newcastle University’s Wind Wave and Current tank. The crux of this research is to investigate the wave-breaking impact load on cylindrical structures with different cross section geometries commonly used in the offshore industry.


Publication metadata

Author(s): Wang X, Dev AK, Tao L, Chia DW, Yali Z

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 38th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2019)

Year of Conference: 2019

Pages: OMAE2019‑95126

Online publication date: 12/06/2019

Acceptance date: 02/03/2019

Publisher: American Society of Mechanical Engineers (ASME)

URL: https://event.asme.org/Events/media/library/resources/omae/OMAE-2019-Program.pdf


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