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Keywords: ship
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Journal Articles
Int. J. Offshore Polar Eng. 34 (02): 129–137.
Paper Number: ISOPE-24-34-2-129
Published: 03 June 2024
...Xin Li; Ning Ma; Qiqi Shi; Xiechong Gu _ The Power-activation Feed-forward Neural Network (PFN) is used to achieve real-time prediction of the ship’s parametric roll motion. The theoretical rationality of real-time prediction based on the ship’s rolling motion time series data is verified. Sequence...
Journal Articles
Int. J. Offshore Polar Eng. 34 (02): 146–157.
Paper Number: ISOPE-24-34-2-146
Published: 03 June 2024
...Ryosuke Suzuki; Michio Ueno _ This paper presents a prediction method for the steady wave longitudinal and lateral forces and yaw moment acting on ship maneuvering with a forward speed, lateral drift, and yaw rate in short waves. Specifically, the existing formula that focuses on wave diffraction...
Journal Articles
Int. J. Offshore Polar Eng. 34 (01): 101–119.
Paper Number: ISOPE-24-34-1-101
Published: 06 March 2024
...Jing Li; Yaofeng Huang; Kai Dong; Xianzhou Wang _ To investigate the seakeeping performance of naval ships, this study presents numerical simulations predicting the motion of the DTMB 5415 model at zero speed and various Froude numbers in both intact and damaged conditions under head waves. Wave...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 33 (03): 273–278.
Paper Number: ISOPE-23-33-3-273
Published: 15 September 2023
... damage coastal engineering buildings and offshore facilities, crush and damage ships, and block ports and waterways (Yuan et al., 2015; Liu et al., 2019). Preventing sea ice hazards in coastal engineering has always been a focus of attention in northern China. The ice period in the Bohai Sea usually...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 33 (03): 242–248.
Paper Number: ISOPE-23-33-3-242
Published: 15 September 2023
... A ship navigating in ice-covered waters will interact with ice, generating forces. This is a process where the ship and the ice interact with each other. A good overview of the issues can be found in Kujala (2017). The forces measured depend on a number of factors, such as ice thickness, floe size, ice...
Journal Articles
Int. J. Offshore Polar Eng. 33 (02): 174–183.
Paper Number: ISOPE-23-33-2-174
Published: 01 June 2023
...Haoyun Tang; Zichen He; Xianku Zhang; Qian Wan _ To improve the effectiveness of the long-term structural monitoring of ships in irregular waves, an autonomous signal recognition method is studied using machine learning technology. On the basis of fast Fourier filtering and a backpropagation neural...
Journal Articles
Int. J. Offshore Polar Eng. 33 (02): 164–173.
Paper Number: ISOPE-23-33-2-164
Published: 01 June 2023
...Jae-Hoon Lee; Jaehak Lee; Yonghwan Kim; Yangjun Ahn _ This paper investigates the possibility of the machine learning technique being applicable in the real-time prediction of wave-induced ship motions. An integrated machine learning model is proposed by considering the two different physical...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 32 (04): 386–393.
Paper Number: ISOPE-22-32-4-386
Published: 01 December 2022
...Xiao Lang; Da Wu; Wengang Mao _ This paper proposes a machine learning–based ship speed over a ground prediction model, driven by the eXtreme Gradient Boosting (XGBoost) algorithm. The data set is acquired from a world-sailing chemical tanker with five years of full-scale measurements. The model...
Journal Articles
Int. J. Offshore Polar Eng. 32 (01): 49–57.
Paper Number: ISOPE-22-32-1-049
Published: 01 March 2022
... of a ship, a role that has been widely investigated in recent years (Yu et al., 2017; Chen et al., 2018; Diao et al., 2019; Begovic et al., 2020; Tang et al., 2021). Furthermore, the hydrodynamics of a trimaran, as a kind of high-performance ship, has been studied by both numerical methods and tank tests...
Journal Articles
Int. J. Offshore Polar Eng. 31 (04): 487–494.
Paper Number: ISOPE-21-31-4-487
Published: 01 December 2021
...In-Gyu Ahn; Byoung-Hoon Jung Hydroelasticity is a dynamic response of a flexible ship as a result of the dynamic characteristics of ship structure. Specifically, whipping is a phenomenon in the high-frequency region for the vibrations of ships caused by a slamming impact. It is necessary...
Journal Articles
Int. J. Offshore Polar Eng. 31 (04): 385–394.
Paper Number: ISOPE-21-31-4-385
Published: 01 December 2021
... and technology of automatic ship-pipe-buffer-link-control with a self-propelled, automatic track-keeping miner or mining vehicle. Introduction and Technical Issues In the early 1970s, while 300-ft (91-m) water depth was treated as “deep water,” the goal of the OMCO-Lockheed commercial mining system...
Journal Articles
Int. J. Offshore Polar Eng. 31 (02): 199–209.
Paper Number: IJOPE-21-31-2-199
Published: 01 June 2021
... to discretize the spatial and instantaneous terms of Navier-Stokes equations. Harmonic excited rolls are simulated for the seven ship sections of a classical experiment conducted by Ikeda, Himeno, and Tanaka in 1977. The roles of roll amplitude and circular frequency are investigated. For comparison...
Journal Articles
Int. J. Offshore Polar Eng. 30 (03): 308–317.
Paper Number: ISOPE-20-30-3-308
Published: 01 September 2020
...Katsuya Hirayama; Naoto Higuchi A moving flux source is modified to predict ship waves by using NOWT-PARI (NOnlinear Wave Transformation model by the Port and Airport Research Institute), taking into account the expandability of setting ship navigation channels and applicability for representative...
Journal Articles
Int. J. Offshore Polar Eng. 30 (02): 161–170.
Paper Number: ISOPE-20-30-2-161
Published: 01 June 2020
...Seon Oh Yoo; Taeyoung Kim; Hyun Joe Kim Fuel oil consumption of ships has been of great interest because of reinforced environmental regulations. The estimation of fuel consumption requires calculating the added resistance in actual irregular waves. However, most relevant research remains...
Journal Articles
Int. J. Offshore Polar Eng. 30 (01): 78–85.
Paper Number: ISOPE-20-30-1-078
Published: 01 March 2020
...Ruslan I. May; Valery E. Fedyakov; Sergei V. Frolov; Oleg V. Tarovik; Alex G. Topaj Optimization of the ship route in ice-covered waters improves the efficiency and safety of navigation in the Arctic. This article describes a new wave-based approach for ice routing of a ship. Unlike grid-based...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 29 (01): 24–32.
Paper Number: ISOPE-19-29-1-024
Published: 01 March 2019
..., and the validity of each approach is then discussed. Introduction Recently, the added resistance in waves is of great concern because of the growing demand of an optimized ship hull for energy-saving efficiency in an operational sea environment. A fundamental step in the optimization is to estimate the vessel's...

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