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The effect of air content and compressibility on wave-in-deck impact pressures
conference contribution
posted on 2023-05-23, 11:45 authored by Nagi AbdussamieNagi Abdussamie, Drobyshevski, Y, Roberto Ojeda RabanalRoberto Ojeda Rabanal, Thomas, G, Amin, WNumerical simulations of an extreme wave impact on a topside deck structure were conducted to ascertain the effect of air content and its compressibility on the magnitude of the wave-indeck impact (slam) pressure. The topside deck was investigated as both a fixed structure and as a topside structure of a typical Tension Leg Platform (TLP) exposed to unidirectional regular waves. The volume of fluid model implemented in STAR-CCM+ was used to capture the free surface interface. CFD results were validated using different levels of mesh resolution against 1:125 model-scale experiments. In all simulated cases, the deck area exposed to a wave slam event was found to be in contact with a water-air mixture with a significant proportion of air, which revealed that two-phase models are necessary to accurately simulate wave-in-deck problems.
History
Publication title
Proceedings of the 20th Australasian Fluid Mechanics Conference (20AFMC)Pagination
1-4Department/School
Australian Maritime CollegePublisher
Australasian Fluid Mechanics SocietyPlace of publication
AustraliaEvent title
20th Australasian Fluid Mechanics Conference (20AFMC)Event Venue
Perth, AustraliaDate of Event (Start Date)
2016-12-05Date of Event (End Date)
2016-12-08Rights statement
Copyright 2016 Australasian Fluid Mechanics SocietyRepository Status
- Restricted