United States Department of Transportation
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Energy Consumption Modeling of Ships: Towards a Door-to-Door (D2D) Freight Optimization
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2024-08-29
[PDF-1.41 MB]
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Edition:Final, September 2023 - September 2024
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Abstract:The maritime industry is under pressure to improve energy efficiency and reduce carbon emissions due to regulatory demands and environmental concerns. Traditional simulation tools often focus on isolated aspects of maritime operations, such as propulsion efficiency, resistance, or navigation, but fall short in providing a holistic analysis of entire voyages. ShipNetSim, an open-source simulator, addresses this gap by offering a comprehensive platform that models interactions of multiple vessels across large-scale, open-sea environments. Unlike conventional simulators, ShipNetSim integrates key elements such as propulsion, resistance, and ship-toship interactions into a single, unified framework. This integration allows for accurate predictions of energy consumption and environmental impact over the entire maritime journey. Additionally, ShipNetSim is designed for computational efficiency, ensuring detailed analyses can be conducted rapidly without sacrificing accuracy. This balance between precision and speed makes ShipNetSim invaluable for researchers and policymakers focused on sustainable maritime practices. A case study within this report demonstrates the simulator's effectiveness in modeling vessel trajectories, energy consumption, and emissions with high accuracy. The results validate ShipNetSim's potential to enhance understanding of maritime dynamics and inform policy decisions aimed at improving efficiency and reducing environmental impact. ShipNetSim offers a flexible platform suited to the industry's evolving needs. Whether in response to new regulations, emerging technologies, or changing trade patterns, ShipNetSim is poised to play a crucial role in the global effort to create a more sustainable and efficient maritime industry. This report details the simulator’s development, key features, and potential applications, paving the way for its broader adoption in future maritime research and policy development.
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