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Keywords: sea state
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Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-451
.... mast investigation fatigue analysis ay 0 load condition fatigue life mast base sea state fatigue phenomenon gravity calculation structural component stress distribution fatigue damage navigation procedure ship evaluation ax 0 alii Proceedings of the Thirty-second (2022...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-294
... ABSTRACT Within the Joint Research Project RetroLadung, weight-optimized cell guides with integrated motion sensors and data-driven decision support systems (DSS) are developed. A basic functionality of the DSS is the estimation of sea states based on measurement data from acceleration sensors...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-459
... 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 fatigue damage ship motion reference data mesh ABSTRACT A novel...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-419
... faces rough sea state. Facing with rough sea state, roll and pitch of ship is too large to comply with strict quality requirement. It is not easy to predict if the ship can construct, because it needs accurate sea state, ship motion response, and motion limitation requirement. The construction...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-160
... the analysis. Several parameters were used to train the datasets and predict which sea state would lead to wider heading angles by ANN. Such results were compared to the long-term responses calculated with the mean heading angles in this study. INTRODUCTION Floating offshore structures operating at fixed...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-509
... sea state service performance simulation frequency response function short wavelength region equation coefficient Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022 by the International Society...
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-22-061
...-wave configuration was validated. Through the comparative study on two hang-off positions on the FOWT, results showed in extreme sea states the configuration favored a higher hang-off point at the deck box, while the fatigue estimation revealed a lower position of hang-off provided superior performance...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1249
...) marine site, where the arrangement is situated, is characterized by its 3q y local wave climate; namely, a set of sea states, each of which is Mean Water described by a wave spectrum of significant wave height Hs and peak PAq b Level (MWL) period Tp and has an annual probability of occurrence Pr (Hs, Ts...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1219
... based on sea state and a simple TMDs located in the floating platform, or hull, of a FOWT offer a method for estimating the peak wave period and significant wave height. promising solution because they can be collocated with the input wave The performance of this open-loop control is compared to ideal...
Proceedings Papers
Andre Ramiro Amorim, Daniel Nalliah Karunakaran, Danilo Abreu Souza Lima, Gabriel Rombado, Boje Tveraaen
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-2132
...-term response based on variable short-term sea states and multiple floater loading conditions. This approach is computationally intensive and not considered practical for a typical project time frame. The methodology presented in this paper reduces the computational efforts while still maintaining...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1320
... (Chang et al., 2017). Therefore, the frequency domain assessment method cannot estimate the fatigue damage of floating system accurately, and the frequency domain assessment method for the multimodal broadband non-Gaussian process warrants further investigation. mooring system sea state...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1207
... surface. A series of model tests have been performed. For regular wave tests, factors including a single and a flock plastic, different frequencies are considered, and for irregular wave tests, five different sea states are taken into consideration. The experimental results showed a correlation between...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1296
... responses during the lift-off operations under various irregular waves. The dominant operational criterion is the re-hit force between the spool and the deck of the barge after the spool being lifted. To seek for a potential improvement of the sea states, different fender supports have been modeled...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3185
...ABSTRACT ABSTRACT The sea state plays an important role in offshore- and marine operations. It affects both direct costs as well as risks for human and/or material loss. A better understanding of the present-, near-future-, and far-future sea states will increase effciency and safety...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3181
... in irregular waves. bow-flare ship section wave tank free surface nonlinear numerical wave tank hosm wave simulation engineering calculation incident wave faltinsen wave-making boundary numerical wave tank boundary ship section sea state cut period irregular wave wave condition wave...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1191
... subsea system social responsibility sustainability simulation coefficient workability hull current practice propeller wind speed sea state tunnel thruster wind turbine installation renewable energy wind turbine transportation resistance operation sea condition dp capability wind...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3133
... method presented from DNVGL, and the factor is calculated using the frequency-domain linear analysis and the model test data. Upwell is measured for 23 points for a total of 16 seeds in two different sea states, and the value of asymmetric factors are discussed. It is also investigated...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1240
... performance of ships with limited water depth; Prediction of ship motion response under complex boundary conditions (He, 1998). frequency marine transportation ship criteria sea state hull navigation calculation amplitude sea condition strip theory severe discomfort boundary icebreaker...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-247
... sea state ABSTRACT Hydroelasticity refers to resonant vibratory response of the flexible ship. Especially, whipping phenomenon is the high frequency vibrations of the ships caused by slamming impact. It is necessary to identify how much the vertical bending moment (VBM) was increased due...
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