G-SIM
Liquid Cargo Handling Simulator
Developed by GTT Training, G-Sim provides realistic training in liquid gas and cargo handling operations within a safe, controlled simulation environment.
DNV-Approved Liquid Cargo Handling Simulation
Poseidon is the exclusive worldwide distributor of G-Sim, a DNV-approved Liquid Cargo Handling Simulator developed by GTT Training Ltd.
Using high-fidelity mathematical models, G-Sim accurately simulates cargo handling, fuel gas, and control processes for liquid gas systems. Designed for realistic maritime training and operational research, the simulator supports LNG operations and can be adapted to other liquid cargo and gas systems, including LPG, ethane, ammonia, and oil.
Who is G-sim for?
Academies and Training Centers
Deliver realistic, simulator-based maritime training aligned with STCW requirements and industry guidelines.
Instructors and Evaluators
Configure exercises, monitor trainees, simulate malfunctions, and assess performance.
Ship Operators and Crews
Train in cargo operations, fault diagnosis, and emergency response.
Engineers & Researchers
Conduct operational pre-planning, verify operating procedures, and optimize vessel and terminal designs.
Main features of G-Sim
G-Sim combines realistic process simulation with configurable training environments, supporting maritime training, performance assessment, and operational research.
Realistic simulation
Incorporates authentic controls, cargo piping, and process information for realistic operational practice.
Flexible Windows & Cloud Deployment
Runs on standard MS Windows PCs, tablets, or online via a web browser using G-Sim Online.
Configurable Training Environments
Easily adapts to specific operational needs—from basic familiarization to fault diagnosis, procedure verification, and system design.
Available Simulation Models
G-Sim offers simulation models that replicate cargo handling operations and onboard systems across a range of vessel types and configurations.
LNG Carrier
Simulates LNG cargo operations across different vessel configurations, including steam, DFDE, and MEGI propulsion systems.
LNG Fuel Gas Handling & Bunkering
Simulates LNG fuel storage, bunkering, and fuel gas supply operations across different vessel configurations, including pressurised and atmospheric tank systems.
Custom Simulation Models
GTT Training offers customized models for specific vessels, terminals, and cargo handling systems to support training and operational research.
Deployment & Licensing Options
Classroom / On-Premise
Runs on standard Windows PCs, tablets, or control room workstations. Available via Full License Purchase or Annual Subscription.
G-Sim Online (Cloud)
24/7 browser access from any device (Windows, Mac, Android) with zero local hardware setup. Available via Annual Subscription or Pay-As-You-Go
Interested in G-Sim?
Contact us for more information about simulation models, licensing, and implementation.
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