... rbfnn optimization trim value optimum trim ship total resistance coefficient trim optimization ga-bp neural network ABSTRACT In the context of carbon neutrality, the low-carbon development of ships has become the consensus of shipbuilding and shipping circles all over the world, and green...

... ABSTRACT In order to study the variation law of the resistance of the trim drag reduction to the fat and shallow draft type such as inland vessel, this paper takes a 2000t bulk carrier as the research ship. The optimization effect of trim adjustment on this type of ship is verified...

... freight & logistics services resistance optimization problem evolutionary algorithm marine transportation optimization simulation ship hull form kriging model geometry approximation model shipflow total resistance coefficient reduction optimization process starccm artificial...

... ABSTRACT Many design variables are often required for the optimization design of the whole hull, thus numerous new sample hulls need to be calculated. The dimensionality reduction of design space is essential for the optimization of whole ship design, which can save the consumption...

.... INTRODUCTION The geometry of hull form affects the hydrodynamic performance, safety and economics of ships significantly. To reduce the emission of ships, the research on ship hull optimization methods is concentrated in recent years, and there are increasing investigators trying to apply artificial...

... ABSTRACT To meet the requirements for green ships in the IMO ship Energy Efficiency Design Index, based on the self-developed ship form optimization platform (SHIPMDO-WUT), the KCS ship is regarded as the initial hull to reduce its wave-making resistance at a certain speed. The hull form...

... optimization of DTMB5415 ship considering arrangement constraints Baiwei Fenga,b, Chaohuan Yuea,b, Chengsheng Zhana,b,Haichao Changa,b aKey Laboratory of High Performance Ship Technology, Wuhan University of Technology, Ministry of Education Wuhan, Hubei, China bSchool of Naval Architecture, Ocean and Energy...

... ABSTRACT A numerical multi-objective optimization procedure is proposed here to improve the stealth performance for underwater vehicle. In this paper, DARPA Suboff is adopted as the preliminary design, and the two objective functions have been chosen as the wake flow feature and acoustic...

... comprehensively considers the variation of journal inclination angle and effective support position at each bearing position in dynamic condition, also the regularity of bearing load distribution under different rotational speeds is analyzed; Finally, the bearing offset under dynamic condition is optimized based...

... neural network optimization hyperparameter artificial intelligence marine transportation deep learning optimization problem control point accuracy mlp approximation model total resistance coefficient mlp model optimization algorithm optimal solution approximation model approximate...

... ABSTRACT In order to improve the propulsion efficiency of air propellers on an air cushion vehicle, the aerodynamic performance optimization work is carried out in this paper based on the parametric modeling, genetic algorithm, design-of-experiment and numerical simulation methods...

... ABSTRACT Yacht structure optimization is an important pattern to achieve yacht safety and lightweight design. Based on Isight platform, this paper establishes the yacht structure optimization platform with the total longitudinal strength and weight of the yacht as the optimization targets...

... production storage & offloading subsea system ocean engineering fwpso cylindrical fpso sea scenario frequency requirement tang dimension optimization ABSTRACT Compared with those offshore oil development platforms using wet wellhead, dry wellhead has advantages of drilling, production...

... diameter ratio load condition explicit quasi-static solution rubber ring leg mating unit vertical condition structural optimization upstream oil & gas stress diagram optimization lmu structure subsea system lmu sandbox stress level installation ABSTRACT Leg mating unit...

... roughness assessment in basic design gives an indication that a large number of the excessive spans may occur based on the seabed profile along the selected route. Following that, a pipeline route optimization was carried out using DTM tools in Fledermaus software firstly to avoid the pipeline being routed...

... process, an automatic control system for plate and frame dehydration process parameters is proposed in this paper. The system is an important part of the intelligent management and control system for river and lake sediment dehydration and drying. By analyzing and optimizing the construction parameters...

... the approximate model and the multi-objective particle swarm optimization algorithm to achieve the multi-objective optimization of the taut polyester mooring system. The polyester rope volume and strength utilization ratio are defined as the optimization objectives, then the parameters of mooring radius...

... ABSTRACT Large amount parameters make optimizing multiple tuned mass dampers’ (MTMD) performance difficult. A simplified method of MTMD optimization is proposed. In this method, tuned mass dampers (TMDs) are used to suppress the peak responses in the frequency domain by being tuned...

... that the ocean is abundant in wave kinetic energy, however, the low frequency of the wave is often out of many traditional energy conversion devices’ optimal performance region. To tackle this issue, traditional wave capture devices are often of large scale, or semi-permanently anchored, which have almost...

... optimization of an electricity for remote sites that are isolated from large-scale transmission innovative tidal energy device. Numerical simulations were networks (Bozhinova et al., 2013). conducted for different environmental conditions and operating scenarios to characterize the flows through the device...