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UEG Week 2024 Moderated Posters [PDF]

open access: yesUnited European Gastroenterol J
United European Gastroenterology Journal, Volume 12, Issue S8, Page 201-664, October 2024.
europepmc   +2 more sources

Vessel Energy Requirement Prediction from Acceleration Stage Towing Tests on Scale Models

open access: yesPolish Maritime Research, 2023
One of the most crucial tasks for naval architects is computing the energy required to meet the ship’s operational needs. When predicting a ship’s energy requirements, a series of hull resistance tests on a scale model vessel is carried out in constant ...
Wrzask Klaudia
doaj   +1 more source

Layout optimization design of hierarchical curvilinearly stiffened panels based on deep learning

open access: yesZhongguo Jianchuan Yanjiu, 2021
Objectives Due to the functional requirements of structures, a large number of thin-walled structures with cutouts are adopted in the structural design of aviation, aerospace, shipbuilding and other fields, leading to a significant reduction in the ...
Kunpeng ZHANG   +5 more
doaj   +1 more source

Experimental Study of Trans-Medium Communication of Millimeter-Wave Radar in Wave Tank

open access: yes水下无人系统学报
Wireless cross-medium communication for underwater equipment may be possible by using millimeter-wave radar to detect the micro-wave vibration on the water surface excited by sound waves of underwater equipment. Studying the effect of water surface waves
Yuming ZENG   +4 more
doaj   +1 more source

Numerical Analysis of Resistance Characteristics of a Novel High-Speed Quadramaran

open access: yesPolish Maritime Research, 2023
This paper utilised computational fluid dynamics (CFD) technology to calculate the resistance of a novel high-speed quadramaran in calm water using the Navier‒Stokes (N‒S) equation, analysed the total resistance, frictional resistance, and residual ...
Liu Xin   +5 more
doaj   +1 more source

Ballast water allocation optimization of crane vessels based on MOEA/D algorithm

open access: yesZhongguo Jianchuan Yanjiu, 2021
ObjectivesTo improve the efficiency of the ballast water allocation of crane vessels and reduce energy consumption in this process, an optimization method following a multiobjective evolutionary algorithm based on decomposition (MOEA/D) is proposed ...
Jia ZHOU, Lei SONG
doaj   +1 more source

Laser-Induced Acoustic Air-Water Trans-Medium Communication Based on PWM

open access: yes水下无人系统学报
Laser-induced acoustic communication has emerged as a critical technology for facilitating air-water trans-medium nodeless communication, garnering increasing attention in research and application. At higher repetition frequencies, traditional modulation
Yingnan CHEN   +4 more
doaj   +1 more source

Health Monitoring of a Compression Ignition Engine Fed with Different Low-Sulphur Marine Fuels by Endoscopic Image Processing and Analysis

open access: yesPolish Maritime Research, 2023
This article characterises the methodology for the endoscopic testing of a laboratory diesel engine used for testing marine fuels. The ‘Shadow’ measurement method used in the XLG3 type EVEREST digital endoscope, for quantitative and qualitative ...
Korczewski Zbigniew
doaj   +1 more source

Multi-fidelity sequential constraint updating optimization approach based on confidence intervals and its application

open access: yesZhongguo Jianchuan Yanjiu, 2021
Objectives This study addresses the problem of time-consuming simulation in the optimization design of underwater structures. Focusing on time-consuming and non-time-consuming targets and constraints, it proposes an optimization method for constrained ...
Jiachang QIAN   +2 more
doaj   +1 more source

Cross-Domain Communication Buoy System Based on Optimal Communication Link Selection

open access: yes水下无人系统学报
The existing marine buoy communication mode is single, with low reliability, high packet loss rate, and poor real-time performance, which cannot meet the needs of large-scale marine data acquisition and cross-domain communication.
Minghan XING   +7 more
doaj   +1 more source

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