The 2021 capsize of the liftboat Seacor Power, with loss of 13 lives, has focused attention on the afloat stability of liftboats in transit. This paper presents a numerical method of simulating the dynamic capsize of liftboats in waves using time domain analysis and a commonly used computer program. Capsize of a similar vessel to the Seacor Power is predicted in 6-ft quartering and beam seas even without wind. Model tests are proposed to help calibrate calculation techniques and define limiting metocean conditions more reliably for safe transit of liftboats.
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Capsize of Liftboat in Transit
Paper presented at the SNAME 27th Offshore Symposium, Houston, Texas, USA, February 2022.
Paper Number: SNAME-TOS-2022-002
Published: February 22 2022
Stewart, William P. "Capsize of Liftboat in Transit." Paper presented at the SNAME 27th Offshore Symposium, Houston, Texas, USA, February 2022. doi: https://doi.org/10.5957/TOS-2022-002
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