Simulating the interference of seagoing and maintenance dredging processes
A. Sepehri (TU Delft - Rivers, Ports, Waterways and Dredging Engineering)
Alex Kiricheck (TU Delft - Rivers, Ports, Waterways and Dredging Engineering)
Marcel van den Heuvel (Van Oord Dredging and Marine Contractors)
M. van Koningsveld (Van Oord Dredging and Marine Contractors, TU Delft - Rivers, Ports, Waterways and Dredging Engineering)
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Abstract
Abstract: Efficient port operations require minimizing turnaround time which is the total duration of a vessel's stay in the port and encompasses waiting, maneuvering, berthing, and de-berthing times. The turnaround time can be reduced by optimizing arrivals and departures, maximizing berth availability, facilitating cargo handling, and maintaining water depth. Maintenance dredging, the primary method for maintaining water depth, is used as a continuous activity to ensure the available water depth is sufficient for the navigation of commercial (seagoing, inland, barges, etc.) vessels. The continuity of maintenance dredging interferes with commercial vessels that aim to be served in terminals. Despite the cost imposed on port authorities due to these interferences, addressing this challenge in a structured way is overlooked. To fill this gap, an open-source discrete-event model is presented in this study that employs agent-based simulation to model the interaction between seagoing and maintenance dredging processes. A simple case is proposed to provide an example of how this interaction is simulated. Then, the implications and limitations of this study are discussed and the directions for future research are recommended.