Loading Racks: Articles and Tutorials

This knowledge hub contains articles and tutorials on Loading Racks in refinery digital twin models. Explore engineering guides, API references, loadingracks algorithms, and practical examples using the Petroleum Refining Library. For more detailed information, visit our Solutions section.

First published: September 4, 2026

Loading Rack Simulation in Oil and Gas Logistics

This article presents the architecture of the LoadingRack agent within the Petroleum Refining Library for AnyLogic, which bridges continuous process hydrodynamics with discrete-event rail and truck logistics. It examines statechart-driven dispatch workflows, synchronization with accumulative tank farms to track "mass on wheels," and unconstrained direct flow analysis for plant debottlenecking. The guide also details relational database configuration and memory optimization techniques that ensure stable performance in long-running digital twin simulations

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First published: September 10, 2026

isLoadingPriorityOverSchedule in LoadingRack: Scheduling and Departure Logic

This article explains how isLoadingPriorityOverSchedule controls train departure in LoadingRack simulation, determining whether the railway schedule or loading completion takes priority. It describes schedule-driven and loading-driven operation, including multi-product train loading and departure behavior when product flows stop

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First published: September 11, 2026

Loading Rack Scheduling and Operating Strategies for Refinery Simulation

This article presents loading rack scheduling strategies for refinery simulation, covering detailed railcar loading, simplified Direct Flow, post-schedule operation, and tank car turnaround. These strategies provide a flexible way to model loading rack capacity, rail transportation, fleet availability, and long-term refinery logistics.

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First published: September 13, 2026

Loading Rack Statistics for Refinery Simulation

Loading Rack Statistics provides real-time operational data for monitoring loading rack performance in refinery simulation. The article covers input and output flows, product-level statistics, train loading progress, arrival schedules, wagon availability, and turnover.

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First published: September 14, 2026

Loading Rack Control in Refinery Simulation

This article describes Loading Rack Control in Refinery Simulation and the mechanisms used to manage loading operations dynamically during a simulation run. It covers API methods, configuration parameters, and events for controlling train processing, loading priorities, flow rates, wagon turnover, scheduling, passportization, and product volumes. These capabilities enable realistic modeling and evaluation of refinery loading operations and logistics under changing operating conditions.

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First published: September 15, 2026

Railway Wagon Loading Simulation: Train & Wagon Characteristics

This article explains how railway wagon loading simulation represents trains and individual wagons in the LoadingRack model. It covers wagon characteristics, train capacity, product-specific loading, fill levels, loading status, and train arrival and departure parameters used in refinery logistics and petroleum product transportation.

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