Predict and monitor cargo tank fatigue with confidence
Sloshing Virtual Sensor / by GTT applies GTT’s LNG containment system expertise (including its Mark III and NO96 membrane systems), and physics‑based models to predict cargo tank fatigue and monitor structural integrity over time, supporting safer operations and optimised inspection strategies.
While Sloshield™ provides real‑time sloshing awareness to onboard crews, Sloshing Virtual Sensor focuses on the cumulative fatigue these loads generate over the vessel’s lifetime.
LNG cargo movement inside tanks generates sloshing loads that repeatedly act on the membrane containment system, accumulating into structural fatigue over time. These loads vary with sea conditions, filling levels and operations, to turn them into consistent, fleet‑wide insights that can guide action.
Shipowners and operators need to understand how these cumulative loads impact cargo tank integrity in order to ensure safety, optimise maintenance strategies and comply with classification requirements. Because sloshing-induced loads are difficult to quantify precisely, fatigue assessments and inspection planning are often based on conservative assumptions rather than the actual stresses experienced by each tank.
Sloshing Virtual Sensor provides continuous, model‑based insight into tank fatigue, enabling more accurate assessment, informed inspection planning and long‑term asset management.
Key features
Continuous fatigue monitoring
Track cumulative structural fatigue over time based on vessel motion and cargo conditions.
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Alternative Survey Plan (ASP) support
Provide the technical basis to support extended inspection intervals under ASP regimes.
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Early detection of abnormal conditions
Identify deviations in loading patterns and operating conditions impacting tank integrity.

Integration with onboard and analytical systems
Leverage vessel data to deliver continuous and reliable structural monitoring insight.
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Key benefits
Enhanced containment system safety
Anticipate structural risks before they impact tank integrity.
Optimised inspection and maintenance planning
Extend inspection intervals while maintaining full confidence in asset condition.
Improved confidence in structural integrity
Gain clear visibility into cumulative fatigue and structural behaviour.
Confident compliance with classification requirements
Support survey strategies with validated, model‑based evidence.
Preserved containment system lifetime and asset value
Preserve containment system integrity across the vessel lifecycle.
Discover the Platform

Connect your vessel data and operations into one trusted decision system — with or without changing your existing setup
GTT Marine Insights Platform connects onboard data, voyage insight, performance analytics and safety monitoring into a unified environment, integrating seamlessly with existing systems or leveraging data acquisition when needed.
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Understand, monitor and optimise LNG operations
LNG Insights brings together GTT’s LNG containment system expertise, with solutions designed for vessels equipped with GTT membrane systems (including Mark III and NO96), along with advanced models and digital capabilities to monitor cargo behaviour, support real time operations and optimise LNG performance across the voyage.
Predict and monitor cargo tank fatigue with confidence
