High-volume fly ash concrete is showing strong potential for marine infrastructure durability. Through advanced material characterization and resistivity testing, researchers demonstrated improved resistance to chloride-induced reinforcement corrosion compared with conventional concrete. The findings suggest longer service life, lower maintenance demands, and enhanced resilience for structures operating in aggressive seawater environments.

New insights into ballast tank drainage are improving vessel efficiency and system design. Combining scaled hydraulic experiments with validated CFD volume-of-fluid modelling, researchers accurately predicted drainage behaviour and optimised evaluation methods. The approach enables faster configuration assessment, enhanced operational performance, and more efficient ballast management for future ship designs globally.

To safeguard Indonesia’s seafarers and fishers in a post-pandemic environment, researchers combined CFD, machine learning, remote monitoring, surveys, and operational analysis to identify onboard infection risks. The resulting framework informs vessel reconfiguration, safer working practices, and long-term health monitoring, strengthening maritime resilience against future outbreaks globally and supporting sustainable operations.

Advanced sloshing mitigation techniques are improving the safety and reliability of growing LNG carrier fleets. Using Smoothed Particle Hydrodynamics simulations, researchers demonstrated that strategically positioned vertical baffles can significantly reduce fluid motion, impact pressures, and hydrodynamic loads. The findings offer valuable guidance for safer, more resilient tank designs going forward.

Achieving maritime decarbonisation demands more than new technology. Applying the Theory of Constraints, this analysis exposes tensions between economic growth and sustainability while identifying systemic barriers to zero-emission shipping. By taking a holistic perspective, it highlights strategic pathways that could accelerate environmental progress without undermining industry competitiveness long term resilience.

Comparing monohull and catamaran fishing vessel designs, researchers evaluated resistance, displacement, and hydrodynamic performance across multiple hull forms. Catamarans consistently delivered lower resistance, with asymmetric configurations performing best. However, efficiency gains came with reduced displacement, highlighting critical trade-offs between carrying capacity, fuel economy, and operational effectiveness at sea today globally.

Redesigning a Ro-Ro ferry ramp door using higher-strength ST52 steel delivered meaningful structural and operational benefits. The lighter configuration reduced weight, enabled smaller lifting-system requirements, extended estimated service life, and improved electro-hydraulic winch efficiency. The findings demonstrate how material selection can enhance performance, durability, and energy efficiency simultaneously overseas today.

A new VENRA framework aims to transform shipyard performance assessment by integrating value engineering and risk evaluation across technical business external and safety dimensions Using fuzzy DEMATEL and TOPSIS methods the approach combines quantitative operational data with expert judgement to support more balanced transparent strategic decision making across maritime enterprises.

Validated CFD modelling confirms FINETM/Marine’s capability to predict high-speed vessel resistance across demanding operating regimes. Comparing simulations with empirical methods and experimental data, researchers demonstrated strong agreement while revealing evolving wave patterns at increasing Froude numbers. The results strengthen confidence in computational tools for efficient high-speed craft design today globally.

An innovative passive radar reflector inspired by traditional fishing-vessel ornamentation could improve maritime safety without compromising cultural identity. Testing showed that a fiberglass-reinforced casing shaped like a mosque dome had minimal impact on radar performance. The concept offers a route to increasing vessel detectability and reducing collision risks at sea.

New insights into shallow-water manoeuvring are improving predictions of ship handling performance. Using URANS simulations of horizontal planar motion tests, researchers quantified how hydrodynamic derivatives change with water depth and developed a new regression model. The findings support more accurate navigation, design, and safety assessments for vessels operating near coastlines.

Ocean Thermal Energy Conversion projects depend heavily on selecting suitable supporting structures to achieve technical and economic viability. This review examines structural concepts, loading conditions, and critical failure areas across existing studies, highlighting knowledge gaps and guiding future design standards for resilient, efficient, scalable offshore renewable energy infrastructure worldwide today.