An electric marine cycloidal propeller could redefine vessel manoeuvrability and propulsion efficiency. By replacing shafts, gears and linkages with direct electromagnetic drive technology, the concept promises higher torque, faster response and lower maintenance. Analysis across key manoeuvring scenarios reveals how innovative propulsion architectures may unlock smarter, more agile ships ahead.

New operational guidance is helping translate complex stability science into practical decision-making at sea. Leveraging Second Generation Intact Stability criteria, researchers developed streamlined measures for vulnerable container ships, reducing reliance on computationally intensive assessments. The approach equips crews with clearer risk insights, enhancing voyage safety and operational resilience worldwide today.

A new weather-routing platform demonstrates how data-driven optimisation can advance both efficiency and sustainability at sea. Combining CMEMS wave forecasts, Python-based A* algorithms, and simplified ship performance models, it generates safer, lower-emission routes. Validation against cyclone scenarios and onboard data highlights its potential to support smarter voyage decisions globally today.

Machine learning is accelerating early-stage yacht design by improving hull resistance prediction and propulsion planning. Evaluating multiple models against the DELFT systematic yacht series, researchers found polynomial regression delivered the strongest results. The findings highlight how AI-driven naval architecture can support efficiency, emissions reduction, and smarter design decisions from inception.

Artificial intelligence and drone technology are redefining offshore asset inspection. Combining YOLOv8n object detection, XGBoost classification, CNNs, and GAN-generated training data, the approach identifies corrosion, cracks, and marine growth with enhanced accuracy. The result is safer, lower-cost monitoring that reduces human exposure while advancing predictive maintenance for critical infrastructure worldwide.

Advanced simulation techniques are improving confidence in the design and operation of moored offshore structures. By coupling OpenFOAM CFD modelling with the MoorDyn mooring system, engineers accurately captured nonlinear barge responses to wave loading. Validation against established datasets highlights a powerful methodology for predicting performance, enhancing reliability, and reducing engineering risk.

Isogeometric Analysis is emerging as a promising alternative to conventional finite element methods for ship structures. By applying IGA to laminated composite stiffened plates, researchers achieved accurate structural and vibration predictions with lower computational demands. The work highlights opportunities to improve design efficiency, particularly for complex geometries, while advancing next-generation marine engineering analysis.

India’s inland waterways expansion faces a critical challenge: balancing vessel movement along the Ganges with essential cross-river traffic at numerous pontoon bridges. An innovative engineering solution aims to minimise delays for barges and communities alike, improving navigation efficiency while supporting trade, connectivity, and the broader economic potential of sustainable inland transport.

New insights into submarine manoeuvrability are helping refine the complex hydrodynamic models that underpin underwater operations. Focusing on nonlinear motion behaviour and force coupling during extreme manoeuvres, the research identifies a streamlined set of coefficients capable of representing six-degree-of-freedom dynamics, offering potential improvements in simulation accuracy, design, and operational performance.

Bangladesh’s growing fleet of FRP composite boats highlights both opportunity and risk. An assessment of local boatbuilding practices revealed critical structural shortcomings, outdated manufacturing methods, and weak compliance with industry standards. The findings underscore an urgent need for improved engineering oversight, modern production techniques, and stronger regulation to enhance vessel safety and industry resilience.

Advanced modelling is unlocking new possibilities for multi-alloy marine structures. Using molecular dynamics simulations of friction stir welding between steel and aluminium, researchers examined atomic interactions, material flow, and defect formation to optimise joint performance. The findings provide valuable insight into stronger, lighter vessel designs and the challenges of dissimilar-metal fabrication.

Advanced CFD techniques are improving the accuracy of high-speed craft performance prediction. By applying a modified High-Resolution Interface Capturing method to better model air-water interactions during planing, researchers reduced resistance estimation errors. Validated against experimental data, the approach offers valuable guidance for propulsion design, efficiency optimisation, and next-generation vessel development.