ObjectivesThis study seeks to address the low-frequency limitations in the computation of hydrodynamics for slender ships using strip theory, and develops an efficient method for calculating hydrodynamics over a wider frequency ra

ObjectivesThis study seeks to explore the influence of water depth on the drag reduction effect and optimal drag reduction height of an interceptor. Based on the numerical solution approach of the RANS equations, the flow field ar

ObjectiveA local dynamic collision avoidance algorithm based on an improved fast-marching square (IFMS) method is proposed to solve the multi-vessel collision avoidance problem of unmanned sailboats in open water. MethodsConsideri

ObjectivesThis study calculates and analyzes the flow field around the hull of a 210 000 DWT bulk carrier in order to perform hull line optimization with resistance and wake non-uniformity as the optimization objectives. MethodsCo

ObjectivesThis study takes a typical pressure hull segment of an unmanned underwater vehicle (UUV) as the object and explores its load bearing capacity law based on lightweight design technology. MethodsFirst, several typical mate

ObjectivesWith the continuous development of larger scale and more complex ships, the number of finite element model elements required to model hull structures at the cabin structure level and above is increasing dramatically, res

ObjectivesIn this paper, an orthogonal braided glass fiber composite sandwich panel with a PVC foam core and dimensions of 150 mm×100 mm×26 mm is selected as the research object in order to study the impact mechanical properties o

ObjectiveThis study aims to investigate the complex welding residual stress of high-strength steel thick plate with multi-pass welding, and examines the influence of such stress on the fracture behavior of welded joints. MethodsTa

Marine renewable energy has broad application prospects. Compared with the single energy utilization device, the floating multi-energy combined power generation device can better realize the optimal allocation of resources and red

The vigorous development of wind power generation technology is the core path for the country to promote the low-carbon energy transformation and realize the "dual-carbon" (carbon peaking and carbon neutrality) goals. With the gra

Metal hydride hydrogen storage is a hydrogen storage method based on the principle of chemical absorption. Featuring high volumetric hydrogen storage density and high safety, its potential applications in the field of hydrogen sto

The application of offshore wind power gangways ensures the normal operation of offshore wind turbines and provides reliable support for optimizing the boarding process, improving the operation and maintenance efficiency, and redu

ObjectivesThis paper investigates the impact of shared lines with different materials on the dynamic response of floating wind farms in order to design a rational shared mooring system. MethodsFirst, shared mooring and traditional

ObjectivesA new Spar-type floating wind turbine platform design scheme is proposed for a 15 MW floating wind turbine, and its performance is analyzed. MethodsBased on potential flow theory, the frequency domain hydrodynamic calcul

ObjectivesIn order to fully leverage electricity and seawater resources, this paper carries out the thermodynamic analysis and optimization design of an alkaline water electrolysis（AWE） hydrogen production system for offshore wind

ObjectiveTo improve the safety of wet-towing transportation for offshore wind power multi-bucket jacket foundations, it is necessary to explore the stability and dynamic response during the wet-towing transportation.MethodsA hydro

Objective The paper aims to solve the problem of the overall stability of the ship's power system being reduced due to the use of grid-following (GFL) control for grid connection in existing solar ship photovoltaic (PV) power gene

ObjectivesThe purpose of this paper is to investigate the control and optimization of the power output system for a multi-body floating wave energy converter (MBFWEC) with wave protection effects.MethodsTo study the interaction of

ObjectivesA life cycle carbon emission assessment method is proposed to comprehensively evaluate the carbon emission reduction capacity of hydrogen-electric hybrid ships. MethodsFirst, an energy flow model of the power system is e

ObjectiveTo improve the combustion, performance and emissions of high-power marine engines, diesel fuel micro-injection with methanol ignition is adopted to study the in-cylinder combustion and emission characteristics. MethodsA t

Objectives Aiming to address the existing challenges in the power capacity configuration of island and reef hybrid power generation systems, this paper proposes an optimization method based on the adaptive ant colony algorithm (AC

ObjectivesA multi-objective optimization algorithm is proposed to address the problem of the complex operating conditions of large horizontal axis hydraulic turbine blades. MethodsAn airfoil optimization model is established based

ObjectiveTo optimize the energy capture efficiency of a rocker-type wave energy converter, the effects of the platform pillar wave diversion scheme and shape of finned floats on energy capture are studied.MethodsFirst, a hydrodyna

ObjectiveThis study uses the structural load inversion method to conduct a dynamic response state analysis of a floating wind turbine tower under wave action. MethodBased on a semi-submersible wind turbine, the measurement data is

ObjectivesWhen assessing the safety of the connectors of a multi-module offshore floating power generation platform, in order to compensate for the inability to carry out the real-time monitoring of the structural stress field acr

ObjectiveThis study aims to explore the structural strength deterioration mechanism of pipelines with corrosion defects in hydrogen-blended environments.MethodsBased on the experimental data, an analysis is made of the load bearin

ObjectivesThis paper integrates the finite element method (FEM) with the discrete-module-beam (DMB) method and improves the derivation of the lumped-mass stiffness matrix in order to efficiently apply the DMB method to complex and

ObjectiveThis paper proposes a novel structure that combines an offshore wind turbine jacket and aquaculture net cage, and its hydrodynamic characteristics are investigated. Methods Experimental tests are carried out to analyze th

ObjectiveTo overcome the problem of the limitation of working bandwidth due to the phase ambiguity caused by the carrier frequency's variation in conventional time-modulated direction finding, a single-channel direction finding me

ObjectiveThis paper analyzes and models the core logic of a strike chain in terms of time sensitivity, reconfiguration and coverage, thereby providing model and method support for improving the dynamic management ability of naval