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Keywords: heave
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Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-541
... matrix platform design numerical calculation investigation otsubo sticking heave history Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society of Offshore and Polar Engineers...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-534
... China. The six-degree-of-freedom (6-DOF) motion of the ship, ship speed and ship trajectory are measured using a gyroscope and GPS-RTK positioning device. The sea trial motion measurement results are analyzed. It is found that the heave motion spectrum in all cases has a common peak, namely the main...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-569
... artificial intelligence neural network prediction amplitude experiment deep learning-based prediction diagram accuracy comparison calculation dredger suction hopper dredger ocean engineering algorithm heave Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-323
... ship modal superposition frequency stern integration prediction resonance frequency mingyang chen vertical integration numerical prediction hydroelasticity software gravity international ocean engineering conference frigate midship heave Proceedings of the Thirty-fourth (2024...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-363
.... In general, the devices used to measure the ship motion are laser sensor and gyroscope sensor depend on how many freedom of motions are going to measure. In our 8 meter width, 165 meter long, 4 meter depth towing tank, laser sensors is used in heave and surge measurements, and gyroscope sensor is used...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-378
... systems. The results demonstrate that the proposed method reliably predict the time histories, statistics, and power distribution of surge, heave, pitch motions, and line tensions in head wave. Further, the proposed method can improve the accuracy of predicting low frequency responses of surge motion...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-580
... system imu position correlation cog position risk management estimation linear acceleration angular velocity lateral distance maximum lateral distance equation frequency longitudinal position australia government heave gravity iheave vessel response Proceedings of the Thirty-third...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-088
... with the floater. Next, by enabling the sphere to oscillate in heave, as well as in both heave and surge, the device's performance for one and two operational modes is assessed. INTRODUCTION Wave energy corresponds to a vast, clean source of ocean renewable energy. Its strategic-driven exploitation...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-073
... states government modeling & simulation robertson jonkman openfast second-order effect surge heave engineering radial column tuned openfast hydrodynamic model ABSTRACT Second-order wave effects in floating offshore wind turbines (FOWTs) are consistently under-estimated by mid...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-068
... sweden government sub-sea system wave case fowt mooring system ocean energy cable fore cable surge openfoam cylinder mesh coupling heave equilibrium position tension fore cable wind turbine offshore wind turbine aft line pitch angle tension aft cable Proceedings of the Thirty-third...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-094
... suggested, with the majority extracting energy from the vertical mode (heave). Nevertheless, point absorbers designed to operate in surge (Bhinder et al., 2009), pitch (McCabe et al., 2006), roll, yaw or a combination of these modes have also been conceived and developed through advanced numerical...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-230
... anchor heave statistics spectra wire rope2 catenary line ABSTRACT The mooring design for moderate water encounters a conundrum of combining the virtues of reliable mooring performance and a competitive cost. In this article, an innovative mooring concept specially for moderate water (30-100m...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-391
... situation, lock-in happens if VIM frequency is identical to sway frequency. In that case, lock-in of heave, pitch, yaw as well as sway, roll may occur due to coupled effect if the floating body is strongly connected with tendons. And, it may affect fatigue damage of tendons. The objective of this study...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-459
..., and the fatigue hot spot damage can be obtained through the directly measured motion data. machine learning motion response heave network model artificial intelligence output data hot spot fatigue damage fatigue damage prediction neural network prediction sea state response spectrum calculation...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-059
... damping levels vary with sea states and the results obtained with experiments and simulations are compared, focusing on the heave, roll and pitch response spectrum and short-term statistics, it is shown that the frequency spectrum analysis method may underestimates the response and ignores the pitch-surge...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-151
.... upstream oil & gas riser mean deformation healthy stage deformation platform steady stage riser tension subsea system mooring system frequency motion amplitude time domain dynamic response amplitude riser 1 loading heave balance position ocean engineering cable platform-mooring...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-172
... upstream oil & gas subsea system model test heave floating production storage & offloading load case cfpso roll motion floating production storage and offloading amplitude frequency pure wave case eigenperiod cylinder load condition eigenfrequency floating production...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-529
... good agreement assimilation improved nsm self-organizing state-space model enkf time-domain 3-dof ship motion modeling state estimation heave Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1286
... to account for permafrost thawing effects, thus subsidence from permafrost thawing would cause additional strains which could lead to failures (example is the 2020 Norilsk diesel oil tank failure near Norilsk in Russia). upstream oil & gas pipeline unfrozen state piping design heave oil well...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3174
... upstream oil & gas simulation green water ship motion response time series engineering heave unidirectional wave comparative study frequency regular wave ship motion sailing physical time wave length ocean engineering bidirectional wave component wave motion response wave...

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