By the combination of theoretical and empirical approach, the methodology for practical structural assessment of offshore structures for wave slap is proposed. It is developed for engineers in the sense that the precise design pressure is easily obtainable and quickly applicable in early and detail design stage. For impact load prediction, the Pressure-Impulse theory that was well developed and validated in coastal engineering field is applied. The impact pressures are classified into three types (traditional, sharp, and immersed slap) according to model tests and BP Schiehallion FPSO’s bow monitoring. The time histories of impact pressures for the classified impact types are generated with the pressure impulse predicted by the Pressure-Impulse theory. Nonlinear transient structural analyses are performed using the time series of impact pressures to obtain equivalent static pressure factors. Finally, the design pressure is determined by multiplying the maximum peak pressure by the equivalent static pressure factor. The results are validated through the comparison with model tests and dedicated reports.
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ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering
July 1–6, 2012
Rio de Janeiro, Brazil
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4488-5
PROCEEDINGS PAPER
Practical Structural Assessment of Offshore Structures for Wave Slap Available to Purchase
Joong Soo Moon,
Joong Soo Moon
Hyundai Heavy Industries Co., Ltd., Ulsan, South Korea
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Tae Hyun Park,
Tae Hyun Park
Hyundai Heavy Industries Co., Ltd., Ulsan, South Korea
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Woo Seung Sim,
Woo Seung Sim
Hyundai Heavy Industries Co., Ltd., Ulsan, South Korea
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Hyun Soo Shin
Hyun Soo Shin
Hyundai Heavy Industries Co., Ltd., Ulsan, South Korea
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Joong Soo Moon
Hyundai Heavy Industries Co., Ltd., Ulsan, South Korea
Tae Hyun Park
Hyundai Heavy Industries Co., Ltd., Ulsan, South Korea
Woo Seung Sim
Hyundai Heavy Industries Co., Ltd., Ulsan, South Korea
Hyun Soo Shin
Hyundai Heavy Industries Co., Ltd., Ulsan, South Korea
Paper No:
OMAE2012-83620, pp. 475-483; 9 pages
Published Online:
August 23, 2013
Citation
Moon, JS, Park, TH, Sim, WS, & Shin, HS. "Practical Structural Assessment of Offshore Structures for Wave Slap." Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. Volume 1: Offshore Technology. Rio de Janeiro, Brazil. July 1–6, 2012. pp. 475-483. ASME. https://doi.org/10.1115/OMAE2012-83620
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