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Keywords: natural frequency
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Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-022
... mining ships. Extensive research has recently been conducted on moonpool characteristics. Fluid motion in moonpools can be categorized into two types: piston and sloshing. Fluid resonance occurs when the external load frequency matches the moonpool's natural frequency. Using potential flow theory, Molin...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-030
... of computing mooring system flexible tower tendon tension wind turbine rigid tower relative variation effect flexibility subsea system platform sustainability natural period sustainable development offshore wind turbine tlp fowt nacelle acceleration pitch motion natural frequency...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-043
... is amplified under wind-wave-current interactions. In PSD analysis, there are three frequency bands: low, medium, and high, which are dominated by natural frequencies, harmonics of wave and rotor, respectively. Based on Liutex-Omega vortex identification method, it can be observed that the wake fluctuation...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-491
... mathematics of computing hydroelastic response reservoir simulation ship motion vbm segmented model natural frequency order harmonic numerical investigation interaction container ship equation of state frequency response cfd nonlinear hydroelastic response Proceedings of the Thirty-fifth...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-575
... numerically for global vibration analyses. And the natural frequencies and modal shapes of the vessel are calculated, so as to compare the numerical simulation results to the measured data. Finally, in order to reduce the vibration, local finite element models of different modified sub-structures are analyzed...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-602
... tank vertical excitation surface elevation free surface excitation condition natural frequency excitation frequency simulation surface height Proceedings of the Thirty-fifth (2025) International Ocean and Polar Engineering Conference Seoul/Goyang, Korea, June 1-6, 2025 Copyright © 2025...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-056
... system stress spectrum mathematics of computing sustainable development spectrum geology frequency platform geologist social responsibility wave frequency natural frequency ocean engineering foundation dynamic response fairlead fowt offshore wind turbine motion frequency semi fatigue...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-090
... natural frequency Proceedings of the Thirty-fifth (2025) International Ocean and Polar Engineering Conference Seoul/Goyang, Korea, June 1-6, 2025 Copyright © 2025 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-74-6; ISSN 1098-6189 www.isope.org Optimization...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-201
... ABSTRACT To better understand the lateral bearing capacity and natural frequency of offshore wind turbine (OWT), a centrifuge test was carried out with monopile and high-rise pile cap (HPC) foundation. The effects of scouring depths on natural frequency and lateral resistance were investigated...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-183
... of steel, in which only a certain number of cycles can be withstood at given strain and stress amplitudes. The natural frequency of an offshore wind turbine (OWT) mainly depends on the mass distribution and the restoring forces, which are caused by the partially elastic behaviour of the soil. Thus...
Proceedings Papers

Paper presented at the The 35th International Ocean and Polar Engineering Conference, June 1–6, 2025
Paper Number: ISOPE-I-25-426
... geometries remains relatively unexplored compared to straight or vertical configurations. equation of state reservoir simulation natural frequency flow direction position catenary flexible structure vibration configuration acceleration response time history nonlinear catenary flexible...
Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-489
... of sandwich panel structures, and conduct numerical calculations and simulation calculations. Study the natural frequencies and vibration modes of sandwich panel lattice structures with different topological configurations under four simply supported conditions; Conduct multi parametric analysis to study...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-462
... asia government point support vibration characteristic natural frequency equation Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International Society of Offshore and Polar Engineers (ISOPE...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-117
... matrix operation artificial intelligence rao simulation crane vessel crane load crane load motion natural frequency crane pendulum lift condition crane operation model test load case simulation model originate Proceedings of the Thirty-third (2023) International Ocean and Polar...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-110
... frequency wave energy converter line load experimental assessment standard deviation energy converter natural frequency significant wave height Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-061
... - one is a static equilibrium test and the other is the heave decay test to determine the natural frequencies of the coupled floater-mooring system. The numerical modelling is carried out in a numerical wave tank using high-fidelity computational fluid dynamics based on the OpenFOAM toolbox...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-115
... turbine wind turbine main wind direction monopile owt monopile offshore wind turbine natural frequency excitation parameter identification frequency identification result characteristic Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada...

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