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Keywords: oscillation
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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-22-293
... ABSTRACT The article provides information on various types of oscillations that arise during iceberg towing; both long-period and short-period oscillatory processes are considered; simple formulas for calculating the periods of oscillations are given. The results presented in the article...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-033
... of this paper is to investigate the contribution to the damping and added mass coefficients for different diameters of the heave plates by using forced oscillations of the FOWT. The effects of Keulegan-Carpenter ( KC ) number range from 0.18 to 1.11 and frequency of forced oscillation range from 0.40 Hz to 1.43...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1290
..., surface wave effects on the line tension. At the same time, complicated numerical modelling, oscillation. shape of iceberg and its effect on the rope's dynamics were not considered. Rotational oscillatory motion of iceberg towed with INTRODUCTION inextensible floating line was studied in another paper...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1289
...Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference www.isope.org Rhodes, Greece, June 20 25, 2021 Copyright © 2021 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-82-1; ISSN 1098-6189 Oscillations during iceberg...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1285
...; Joughin et al., 2012). Numerous research has been devoted to the Oscillation (AAO) response by modulating the coupling between the interannual variability of the sea ice in Southern Ocean, but the stratosphere and troposphere. The AAO tends to play a bridge role in question whether the observed changes...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3107
...×0.2m×1.2m,As shown numerical results are shown in Fig.7, Fig.8 and Fig.9. Here H1/3 is the in Fig5. 1442 significant wave height, H1/10 and H1/100 are the two waves steeper than numerical results, while the high frequency oscillations of the pressure H1/3 (Lee et al., 2016). For wave conditions H1/3...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3226
... Abstract The effects of symmetric strips on the flow-induced oscillation (FIO) of a cylinder in a uniform flow are investigated numerically. A pair of symmetric smooth strips are attached parallelly to a cylinder at different angles a from the frontal stagnation point. One degree of freedom...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3268
... regime inside the BDS. Different solutions on the draining surface are considered, namely different arrangements of the holes within the water flows through. This work aims at investigating the influence on the drainage performances when an oscillating groundwater level (simulating the swash infiltration...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1267
...ABSTRACT ABSTRACT Previous studies documented that the low solar activity since the beginning of the 21 st century could directly drive the wintertime climate variability resembling the negative Arctic Oscillation (AO) responses. This study investigates the interdecadal variations of the solar...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1183
... oscillation vortex-shedding frequency hydrodynamic response current load subsea system upstream oil & gas engineering simulation spar type fowt current effect wind turbine motion response current only case fowt system Current effect on the hydrodynamic responses of spar type floating...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1266
.... Due to interaction with the seawater, the icebergs have their natural oscillations, which under certain environmental conditions can significantly complicate the towing process due to resonance phenomena. We should also notice that during the melting, icebergs will change form and motion...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3147
...ABSTRACT ABSTRACT In Smoothed Particle Hydrodynamics (SPH) schemes, the density renormalization and density dissipation term are usually employed to suppress the unphysical high-frequency oscillation of pressure. The application of both the former two algorithms in liquid sloshing has been...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3329
...., 2002; Yamaguchi, et al., 2005; Zhang, et al., 2015) and China (Zhang, et al., 2017). marine transportation oscillation current component travel time experiment site current field strait spatiotemporal current field counterclockwise vortex bali island ferry route island cat system...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3155
..., 2014a) (Jiang, et al., 2015). machine learning parameter identification cross coupling algorithm system identification method artificial intelligence simulation coefficient system identification reinforcement learning ship oscillation heave-pitch motion engineering random sea...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3264
...), or by the placement of a small control cylinder in the cylinder wake (Strykowski & Sreenivansan, 1990). Active control methods include streamwise or transverse cylinder oscillations (Blackburn & Henderson 1999; Cetiner & Rockwell 2003), base-flow blowing or suction in either steady mode (Fransson et al...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-525
...). KEY WORDS: Smooth Particle Hydrodynamics; Sloshing; Free Sur- face; GPU; Particle Method. INTRODUCTION Sloshing phenomenon refers to the oscillation of liquid inside a partially filled container due to the external forces. With the recent trend towards LNG s development, this phenomenon is becoming...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-681
... addresses the impact of vortex shedding on riser axial resonance and performs basic assessment for the fatigue damage that could be caused due to the axial resonance. Reference is made to the EU funded Blue Mining project for which axial mode oscillation is detected to occur. INTRODUCTION Axial motion...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-677
... of Razzak et al. (2013). pressure transient testing pressure transient analysis machine learning pressure sensor pressure signal wedge impactor hammer test time series crosshead peak pressure acceleration signal dry acceleration test artificial intelligence rise time oscillation impact...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-051
... offshore industry dynamic analysis simulator oscillation analysis result equation mooring system offshore operation module subsea system proceedings ocean engineering upstream oil & gas finite element method dynamic analysis result simulation result installation Study on the Mooring...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-704
... between installed and potential energy. There are many different approaches to ocean wave energy, e.g. oscillating water columns, wave activated bodies and overtopping devices. Wave energy converters may either be fixed to the shore or floating offshore (f-WEC). For the latter group a mooring system...

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