Ocean Engineering - Science topic

Maritime transport carries over 80% of global trade by volume and remains the most energy-efficient mode for long-distance goods movement. However, the sector contributes approximately 3% of global Greenhouse Gas (GHG) emissions, a share that could rise to 17% by 2050 without effective regulation. In response, the International Maritime Organizatio...

Hydrodynamic behaviour of moonpool oscillations in large FPSO (floating production storage and offloading) vessels is investigated through computational analysis and scale-model laboratory experiments. The computational analysis is carried out using the STAR-CCM + software. The scale-model experiments were carried out in (90.0 m × 4.0 m × 3.0 m) wa...

Towing operations are widely applied in various fields such as maritime accident rescue, assisting large vessels entering and exiting ports, and transporting large ocean platforms. Tugboats and the towed objects form a complex multi-body system connected by flexible cables, and during operations, they are subjected to the effects of complex marine...

Maritime transport handles over 80% of global trade by volume and remains the most energyefficient mode for long-distance goods movement. However, the sector contributes approximately 3% of global greenhouse gas (GHG) emissions, a share projected to rise to 17% by 2050 if left unregulated. In response, the International Maritime Organization (IMO)...

In the book from Penzias & Goodman: „Man Beneath the Sea: A Review of Underwater Ocean Engineering“; we found an epic failure on p. 34; citing the wrong numbers of actually dived Heliox dives in conjunction with the U.S.S. SS-192 SQUALUS rescue and salvage efforts.

The Boussinesq equation describes water with small amplitudes and long waves, which is one of the most famous nonlinear evolution equations. Boussinesq-type equations have become crucial for predicting wave transformations in coastal areas since dispersion, time dependence, and weak nonlinearity terms are included in the equation. Here, the Boussin...

The maritime industry, a major contributor to carbon emissions, is under increasing environmental pressure due to global climate change. This study presents an innovative energy management strategy for hybrid power systems in ocean engineering vessels, based on an improved particle swarm optimisation algorithm. We convert the traditional powered ve...

Realistic implementation of wave energy converters (WEC) must account for the effects of the surrounding bathymetry on the WEC performance. However, most modelling tools do not introduce this element into the design process. Thus, giving rise to unrealistic predictions of the overall WEC performance. This problem is quite relevant in WECs operating...

This paper addresses the statistical distribution of wave crest heights in ocean environments. This is much needed in several engineering applications including risk and reliability assessment of marine and coastal structures and is an important input for design of ocean structures. However, even though crest height distributions have received a lo...

The accurate prediction of offshore platform and ship motion is crucial for motion compensation devices and for helping the crew make informed decisions. Traditional time series and physical models are being replaced by machine learning models due to their simplicity and lower training cost. However, insufficient data has hindered model training, m...

About Joint Conference 2024 Since 2012, the Department of Ocean Engineering – Sepuluh Nopember Institute of Technology (ITS) Surabaya has held the annual International Seminar on Ocean and Coastal Engineering, Environmental and Natural Disaster Management (ISOCEEN). ISOCEEN 2024 is held for the 12th time with the new partner. This year, together w...

The Ocean Engineering Toolbox (OET) is an open-source, Modelica™ compliant symbolic library capable of simulating the dynamic motions of floating bodies subject to polychromatic, unidirectional waves. This paper presents recent advancements in the OET: (1) the development of custom components to represent the frequency-dependent wave excitation for...

This study proposes a robust data-driven method for structural health monitoring of large-scale floating structures in ocean environments. The method utilizes autoencoder, a widely adopted unsupervised artificial neural network algorithm, to detect abnormalities within the system. Validation of the proposed method is conducted using hydrodynamics-b...

A series of experiments were carried out to investigate the performance of a WEC rotor with platform motion. To achieve platform motion, a forced motion device with a rotor was installed in the Ocean Engineering Basin. In this study, the rotor’s performance was examined at various phase stages between incoming waves at three wave heights, and compa...

LI Song 1， 2 ， YU Juhua 1， 2， 3， * ， WANG Li 1 ， WANG Huangping 2， 3 ， ZHENG Xiangzhou 2， 3 ， WANG Limin 2， 3 ， DING Hong 2， 3 ， ZHANG Yushu 2， 3 1. School of River and Ocean Engineering， Chongqing Jiaotong University， Chongqing 400074 2. Institute of Soil and Fertilizer， Fujian Academy of Agricultural Sciences， Fuzhou 350013 3. Fujian Key Laborato...

This paper provides a summary of the work done within Phase IV of the Offshore Code Comparison Collaboration, Continued with Correlation and unCertainty (OC6) project, under International Energy Agency Wind Technology Collaboration Programme Task 30. This phase focused on validating the loading on and motion of a novel floating offshore wind system...

Linear theory of water waves is reasonable to use only in case of small waves. As the waves’ steepness increases, nonlinear effects start to play a role too significant to be neglected. One of widely used and commonly accepted methods of calculating water wave kinematics is Fenton’s method (Fenton 1985). It allows to find free surface elevation and...

Combining the strengths of Lagrangian and Eulerian descriptions, the coupled Lagrangian–Eulerian methods play an increasingly important role in various subjects. This work reviews their development and application in ocean engineering. Initially, we briefly outline the advantages and disadvantages of the Lagrangian and Eulerian descriptions and the...

Coastal construction heavily depends on accurately estimating design wave parameters. This paper presents a technique for calculating ocean engineering design wave heights that addresses the challenges of inadequate wind speed and measured wave data in the field using High Performance Computing (HPC). The proposed method combines the Simulating WAv...

This study addresses the critical role of maritime transport, which accounts for a significant part of world trade, but faces environmental challenges due to its dependence on the combustion of conventional fuels. The study focuses on the fast-growing area of digitalization in the maritime industry as a solution and uses a bibliometric analysis to...

This research examines common problems in open and closed transition channels, including hydraulic instability due to changes in channel shape that cause cross flow at constrictions or widenings. Closed channels experience turbulence at the outlet, require additional blocks to balance the flow, and can cause damage in downstream rivers due to subop...

Lifting line (LL) analysis of propellers and horizontal-axis turbines requires the axial and circumferential velocities induced by the vortex system representing the blades and the trailing vorticity. If the blades are straight and radial, the induced velocities along the LLs are due only to the trailing vorticity. Accurate two-term approximations...

A digital twin is a virtual model of a real-world structure (such as a device or equipment) which supports various problems or operations that occur throughout the life cycle of the structure through linkage with the actual structure. Digital twins have limitations as a general simulation method because the characteristic changes (motion, stress, v...

With the deployment of China's “Maritime Power” strategy and the continuous development of ocean engineering, the safety and sustainability of concrete materials in ocean engineering need to be resolved urgently. In this paper, aiming at the concrete erosion caused by sulfate in marine environment, the evolution analysis of the expansion stress of...

Ocean engineering is a pivotal sub-discipline in the field of civil engineering, which emphasizes structures and systems that function in marine environments in terms of designing, developing, and maintenance. This review aims to define the limits of ocean engineering terminology in its relation to civil engineering. This will be a case study invol...

Transporte de matacões e blocos por ondas no litoral brasileiro: desafio para a engenharia, realidade para a geomorfologia Transport of large boulders by waves in the Brazilian coast: challenge for the engineering, reality for the geomorphology Resumo: No Brasil foram construídos aproximadamente 300 km de enrocamentos para proteger o litoral das on...

With the increasing stringency of the Energy Efficiency Design Index (EEDI) requirements, improving the efficiency of the propeller has emerged as a significant challenge in the development of eco-friendly ships. Cavitation inevitably occurs, and it reduces the hydrodynamic performance of the propeller and erodes the blade surface, leading to incre...

Underwater shuttle tankers for transporting hydrocarbons / N. A. Eremin, V. E. Stolyarov, A. L. Halvorsen, I. K. Basnieva // Business magazine Neftegaz.RU. – 2023. – No. 11(143). – P. 42-51. – EDN ABXFIB. ISSN: 2410-3837 (In Russian).The use of tankers is justified by the possibility of reducing capital costs for the development of offshore and arc...

The constantly updating big data in the ocean engineering domain has challenged the traditional manner of manually extracting knowledge, thereby underscoring the current absence of a knowledge graph framework in such a special field. This paper proposes a knowledge graph framework to fill the gap in the knowledge management application of the ocean...

In 2022, the events XXV National Meeting of Computational Modeling (XXV ENMC) and XIII Meeting of Science and Technology of Materials (XIII ECTM) took place from October 19 to 21, 2022, with all activities of the event carried out in the webinar modality. In this particular year, together with the XXV ENMC and the XIII ECTM, the 9th Southern Confer...

In this study, we used computational fluid dynamics (CFD) techniques to conduct self-propulsion tests to evaluate vessel resistance. We conducted self-propulsion calculations on the Korea Research Institute of Vessels and Ocean Engineering (KRISO) container ship (KCS) at a model scale, directly discretizing the propeller and rudder. We used the ove...

This study proposes machine learning-based prediction models to estimate hull form performance. The developed models can predict the residuary resistance coefficient (CR), wake fraction (wTM), and thrust deduction fraction (t). The multi-layer perceptron and convolutional neural network models, wherein the hull shape was considered as images, were...

A breakwater is a coastal structure that breaks the wave energy coming towards the beach. When a wave hits an object, it will be reflected entirely or partially. Initially, the primary layer units on the coastal protection structure were only composed of large piles of natural stone. It is becoming increasingly difficult to find a natural stone of...

To accommodate our ever-increasing energy needs, the exploration of oil and natural gas is marching towards the deep sea and tremendous efforts have been made towards developing viable renewable energy sources from the ocean, including wind, tidal current and waves. It is utterly important and challenging to guarantee the safety of offshore structu...

Dünya’da insan nüfusunun artmasıyla birlikte, kıyı ve açık deniz alanlarının kullanımı da artış göstermektedir. Bu durum kıyı ve açık deniz ortamlarının kirlenmesini hızlandırmakta ve okyanuslar ile deniz ortamlarının kullanımının artması sonucu deniz ortamlarındaki doğal denge de bozulmaktadır. Okyanuslar ve deniz ortamları insan hayatı için çok ö...

The current regulations of the International Maritime Organization (IMO) aims to increase the reduction of carbon dioxide (CO2) emissions from shipping by providing mandates to improve the Energy Efficiency Design Index (EEDI) of new ships. This has prompted newer vessels to be equipped with low-powered engines as compared to the previous vessels o...

In this study, a model test was carried out to evaluate the station-keeping performance of Korea Research Institute of the Ships and Ocean Engineering (KRISO) standard semi-submersible, K-Semi in the Deep Ocean Engineering Basin (DOEB). The test was performed using a 1/50 scaled model with 12 mooring lines. The water depth was set to 3.2 m using a...

This work explores the development of a Modelica™ compliant Ocean Engineering Toolbox (OET). Focusing on a symbolic solution to the Cummins equation for a floating, heaving body subject to polychromatic wave excitation forces, three formulations of the radiation convolution (symbolic, numerical, and state-space) are investigated and validated using...

Advances in materials science have significant roles in the fields of engineering, especially for applications in ocean engineering involving structures and devices with requirements of specific material properties and problems for applications in ocean environments. The oceans have long been recognized as an essential part of the global environmen...

In the era of Industry 4.0 to 5.0, the manufacturing industry is dedicated to improving its production efficiency, control capability and competitiveness with intelligent enhancement. As a typical discrete manufacturing industry, it is difficult for ocean engineering (OE) manufacturers to accurately control the entire production process, and the es...

The M4 family of Wave Energy Converters consist of 3 rows of floats, with the front two rows rigidly connected and a hinged connection(s) to the back row. The various possible configurations are commonly identified by the number of floats in each row – hence 1-2-1 has 1 float in front, 2 in the middle, and 1 at the rear. A study by Stansby et al 20...

Andreas Lukas Halvorsen On the safe functioning of an underwater shuttle tanker of hydrocarbons / Andreas Lukas Halvorsen, N.A. Eremin // News of the Tula State University. Sciences of Earth. – 2023. – № 3(1). – Pp. 314-327. ISSN 2218-5194 ISSN 2218-5194The article presents the results of the study Providing a control system for the trajectoryof an...

This paper provides a summary of the work done within Phase IV of the Offshore Code Comparison Collaboration, Continued, with Correlation and unCertainty (OC6) project, under International Energy Agency Wind Technology Collaboration Programme Task 30. This phase focused on validating the loading on and motion of a novel floating offshore wind syste...

This study investigates the experimental parameters of particle image velocimetry (PIV) to enhance the measurement technique for turbulent flow fields around a circular cylinder at a Reynolds number (Re) of 1.4×105. At the Korea Research Institute of Ships & Ocean Engineering (KRISO), we utilized the cavitation tunnel and PIV system to capture the...

Australasian Coasts & Ports is a bi-annual conference series jointly hosted by Engineering Australia (through the National Committee for Coastal and Ocean Engineering), Engineering New Zealand (through the New Zealand Coastal Society) and PIANC Australia-New Zealand. The Conference covers all topics related to coasts and ports including engineering...

The 12th International Workshop on Ship and Marine Hydrodynamics (IWSH 2023) was held from the 28th of August to the 1st of September 2023 at Aalto University, Finland. he workshop focused on publications of relevance to ship dynamics, hydrodynamics, wave mechanics, sea loads and responses, fluid structure interactions, ship resistance and propulsi...

Vessels like Exploration and drilling, Production barges, Cable-laying vessels, Rock dumping vessels, Research and offshore support vessels uses a wells (Opening at the mid-ship section) known as moonpool. These moonpool acts as a passage for underwater activities as mentioned above. As per literature depending on the shape of the moonpool differen...

Vessels like Exploration and drilling, Production barges, Cable-laying vessels, Rock dumping vessels, Research and offshore support vessels uses a wells (Opening at the mid-ship section) known as moonpool. These moonpool acts as a passage for underwater activities as mentioned above. As per literature depending on the shape of the moonpool differen...

The safety and reliability of autonomous ships are critical for the successful realization of an autonomous maritime ecosystem. Research and collaboration between governments, industry, and academia are vital in achieving this goal. This paper conducts a bibliometric review of the research on the risk, safety, and reliability of autonomous ships ai...

The fractional-order Boussinesq equations (FBSQe) are investigated in this work to see if they can effectively improve the situation where the shallow water equation cannot directly handle the dispersion wave. The fuzzy forms of analytical FBSQe solutions are first derived using the Adomian decomposition method. It also occurs on the sea floor as o...

We are listed in the list of the most downloaded articles from Journal of Ocean Engineering and Science in Elsevier

Breakwaters are the structures constructed in the coastal areas to maintain calm inside the port or prevent beach erosion. Semi-circular Breakwater (SCB) is an innovative type of Breakwater made of hollow caisson on a base slab with or without perforations. In this study, the wave overtopping discharge parameter of an SCB is estimated using Artific...

Even though the majority of the classical water wave theory is restricted to potential flows, vortical flows are abundant in nature. This necessitates the need for the development of accurate and efficient methods for the simulation of rotational phenomena, such as the propagation of waves over bathymetry in the presence of a sheared current [1, 2]...

AB). Abstract Several studies have been performed in the last two decades to assess the impacts of marine biofouling on offshore wind turbines (OWTs) substructures. Marine biofouling generally refers to the settlement and growth of aquatic organisms on human-made structures situated in marine and estuarine environments. OWTs continue to demonstrate...

Certificate

We apply Dynamic Causal Models to electrocorticogram recordings from two macaque monkeys performing a problem-solving task that engages working memory, and induces time-on-task effects. We thus provide a computational account of changes in effective connectivity within two regions of the fronto-parietal network, the dorsolateral prefrontal cortex a...

In May 2022 and May 2023, the methane hydrate plume generated from the seafloor at a depth of about 560 to 570 meters in the Joetsu Basin was investigated on the training cruise of Nagasaki University's fishery training vessel "Nagasaki-Maru". These observations have mainly been made with “the quantitative echo sounder”, also with “the multi-beam e...

State-of-the-art R&D in hydro-environmental engineering demands a synergistic combination of physical and numerical modeling techniques. In this regard, the open-source CFD code IITMRANS3D has been developed in-house at the Department of Ocean Engineering, IIT Madras. IITM-RANS3D is an application code geared towards wave-hydrodynamics and wave-str...

Complex multiphase flow problems in ocean engineering have long been challenging topics. Problems such as large deformations at interfaces, multi-media interfaces, and multiple physical processes are difficult to simulate. Mesh-based algorithms could have limitations in dealing with multiphase interface capture and large interface deformations. On...

Conditionally specified models are often used to describe complex multivariate data. Such models assume implicit structures on the extremes. So far, no methodology exists for calculating extremal characteristics of conditional models since the copula and marginals are not expressed in closed forms. We consider bivariate conditional models that spec...

The work conducted gives guidelines on designing Marine Hoses for Oil/Gas applications. It was presented at the International symposium of recent research progress on multi-hazard resilient onshore and offshore structures. Organised by: Tsinghua University, Deep-Sea Technology Division, Chinese Society for Oceanography Ocean Engineering Division, C...

The topic of the present paper subscribes to one of the most challenging themes that are nowadays under the spotlight of the scientific community. It describes a substantiated method aimed not only at predicting accurately the consequences of the associated effects of navigation in waves but also at contributing to ruling the conditions in which th...

With the significant development of computer hardware, many advanced numerical techniques have been proposed to investigate complex hydrodynamic problems. This article aims to provide a detailed review of moving particle semi-implicit (MPS) techniques and their application in ocean and coastal engineering. The achievements of the MPS method in stab...

The topic of the present paper subscribes to one of the most challenging themes that are nowadays under the spotlight of the scientific community. It describes a substantiated method aimed not only at predicting accurately the consequences of the associated effects of navigation in waves but also at contributing to ruling the conditions in which th...

The subsurface provides multiple resources of which the exploitation has a lasting impact on future potential provision. Establishing sustainability in terms of fundamental principles, and fitting these principles into a practical framework, is an ongoing endeavour focused mainly on surface activities. The principles of ecological economics lead to...

A novel statistical linearization technique is developed for determining approximately the response statistics and the power output of U-Oscillating Water Column (U-OWC) energy harvesting systems. In this regard, first, the governing equations are derived by employing the unsteady Bernoulli equation. Note that the intermittent, i.e., non-stationary...

Hi colleagues, I am inviting you to submit your works to Ocean Engineering Special Issue: Marine operation and maintenance for offshore facilities. For more details regarding the SI, you can visit: https://www.journals.elsevier.com/ocean-engineering%C2%A0/forthcoming-special-issues/marine-operation-and-maintenance-for-offshore-facilities. The Subm...

When dealing with the complex deformation of free surface such as wave breaking, traditional mesh-based Computational Fluid Dynamics (CFD) methods often face problems arising alongside grid distortion and re-meshing. Therefore, the meshless method became robust for treating large displaced free surface and other boundaries caused by moving structur...

The spatiotemporal distribution of tidal currents in Seto Inland Sea (Seto Naikai) is complex and characterized by very strong localized currents. Understanding the actual conditions and generation mechanisms of these currents will contribute to increasing the safety and efficiency of shipping and fisheries operations, as well as monitoring marine...

Wave–vegetation interaction is implemented in the WAVEWATCH III (WW3) model. The vegetation sink term followed the early formulations of Dalrymple et al. (Journal of Waterway, Port, Coastal, and Ocean Engineering, 1984, 110, 67–79), which focused on monochromatic waves and vegetation approximated as an array of rigid, vertical cylinders, and was la...

Recently, an analysis method using machine learning for solving problems in coastal and ocean engineering has been highlighted. Machine learning models are effective modeling tools for predicting specific parameters by learning complex relationships based on a specified dataset. In coastal and ocean engineering, various studies have been conducted...

Over the years, datasets have been developed for various object detection tasks. Object detection in the maritime domain is essential for the safety and navigation of ships. However, there is still a lack of publicly available large-scale datasets in the maritime domain. To overcome this challenge, we present KOLOMVERSE, an open large-scale image d...

It is our great pleasure to announce that JMSE (ISSN 2077-1312) has received an increased CiteScore (2021 Scopus data) of 2.8 for the year 2021, ranking as a Q2 journal in the category "Ocean Engineering"！

In this contribution, an intelligent controller is proposed for an underactuated overhead container crane subject to both parameter uncertainties and unmodeled dynamics. The adopted approach is based on the sliding mode method to confer robustness against modeling inaccuracies and external disturbances. Additionally, an adaptive fuzzy inference sys...

The knowledge on the ship maneuvering is indispensable for ship operators and ship designers. The ship maneuverability basically means the performance of motion response to rudder and/or propeller operation of a ship in calm water. This is represented as the following basic abilities: “moving straight”, “turning” and “stopping”. To be more precisel...

The ocean engineering equipment industry is the foundation for the implementation of maritime strategy. China’s national departments at all levels have developed relevant ocean engineering equipment industry policies to promote the rapid development of the industry. By using 56 industrial policies issued between 2010 and 2020 as the research sample...

Reviewer certificate of journal of Ocean Engineering and Scince

This paper proposes a method for the online parameter identification of nonlinear ship motion systems. First, the motion system of a ship is nonlinear, and in the course of sailing, the motion parameters of the ship will change with the change of the motion state of the ship and the sailing environment. To achieve the effect of real-time identifica...

Growing influence of Artificial Intelligence (AI) in multiple venues has made it imperative to harness the powers of AI for Ocean Engineering. Seconded by the influx of Internet of Things (IoT) in generating wide coverage of sensor networks, Edge Computing (EC) has paved the way for investigation of underwater as well as massive marine data, thereb...

The deep ocean engineering basin (DOEB) of the Korea Research Institute of Ship and Ocean Engineering (KRISO) is equipped with an extreme-environment reproduction facility that can analyze the motion characteristics of offshore structures and ships. In recent years, there have been requirements for a wide range of six-degree-of-freedom (6-DOF) moti...

Reviewer Confirmation Certificate Award -Elsevier - Ocean Engineering

Vulnerabilities and risks in coastal areas have increased, especially since the midpoint of the last century, and a much more pronounced increase is expected after the midpoint of the current century. It has become clear that human activity is the main cause of imbalances, both directly, through local actions, and indirectly, through contributions...

The article herein presents a closed-form mathematical equation by which it is possible to estimate the propulsion power demand of ships as a function of the propeller parameters and total Resistance. The validation of the derived model is conducted by use of the Series 60 Model data and of the Korea Research Institute of Ships and Ocean Engineerin...

In level ice, the maneuvering motion of icebreakers has a major influence on the global ice loads of the hull. This study researched the influences of the drift angle and turning radius on the ice loads of the icebreaker Xue Long through a partial numerical method based on the linear superposition theory of ice loads. First, with reference to the A...

RESUMO Este trabalho apresenta os contornos ambientais das ondas construídos usando o conceito I-FORM para auxiliar no desenvolvimento de dispositivos de conversão de energia das ondas na região de interesse. Os principais passos do citado método foram aplicados para a derivação dos contornos da altura significativa e periodo de pico das ondas. O t...

The fore area of the ships in extreme conditions is commonly subjected to external impact pressures such as bottom slamming and bow impact. The phenomenon combined with a poor design can lead to local structural damage (cracks, dents, buckling of plate panels) and malfunction to the installations on-board of the ship. In the present article, a comp...

A webinar presentation based on the journal paper "Formulation of wave and current forces acting on a body and resistance of ships," S. Beji, Ocean Engineering 218 (2020) 108121 was given for the Kıyı Mühendisliği Webinar 2021 Series. This presentation is the pdf version of the ppt used for the webinar.

To build an environment facility of a large-scale ocean basin, various detailed reviews are required, but it is difficult to find data that introduces the related research or construction processes on the environment facility. The current generator facility for offshore structure safety evaluation tests should be implemented by rotating the water o...

Different innovative ideas on simple stern fixtures such as stern wedges, flaps, interceptors have evolved over the past few years to improve the hydrodynamic performance of high-speed vessels, including planing crafts. This paper examines the hydrodynamic performance of a planing craft fitted with an interceptor alone and also an interceptor-flap...