Capacity Planning in Non-uniform Depth Anchorages

Malekipirbazari, Milad; Öz, Dindar; Aksakallı, Vural; Alkaya, Ali Fuat; Aydogdu, Volkan

doi:10.1007/978-3-319-19857-6_3

Cited by 2 publications

(3 citation statements)

References 8 publications

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“…One other limitation is that we assume the anchorage area is of uniform-depth, which is also not very realistic. On the other hand, the methodology presented in Malekipirbazari et al (2015) for safe anchor circle calculations in non-uniform depth anchorages can be incorporated into our approach in a relatively straightforward manner.…”

Section: Discussionmentioning

confidence: 99%

“…A simulationbased approach was presented by Shyshou et al (2010) where, in the presence of weather and equipment-related constraints, the goal was to determine the optimal number of anchor handling tug vessels needed to relocate an oil rig. The problem of anchorage capacity planning in nonuniform depth anchorages was investigated by Malekipirbazari et al (2015) whereas the problem of network capacity estimation of vessel traffic for port planning was addressed by Olba et al (2017). safety and utilization considerations and achieved improvement in safety while maintaining similar utilization levels as competing methods.…”

Section: Problem Environment and Previous Workmentioning

confidence: 99%

“…It is assumed that (1) per regulations, vessel entry and exits occur through the entry side of the anchorage with the vessels following a straight path to their berth locations and, (2) the anchorage has uniform depth. The uniform depth assumption is not always realistic, yet relaxation of this assumption is relatively straightforward with the non-uniform depth corner point calculation algorithm discussed in Malekipirbazari et al (2015).…”

Section: Anchorage Areamentioning

confidence: 99%

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A stochastic approximation approach to spatio-temporal anchorage planning with multiple objectives

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2020

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Section: Discussionmentioning

confidence: 99%

Section: Problem Environment and Previous Workmentioning

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Section: Anchorage Areamentioning

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A stochastic approximation approach to spatio-temporal anchorage planning with multiple objectives

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Intelligent Detection of 3D Anchor Position Based on Monte Carlo Algorithm

Cui,

Zhang,

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et al. 2024

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With the increase in port throughput and the development of the trend of large-scale ships, selecting applicable anchor positions for ships and ensuring the rational and comprehensive utilization of anchorage areas have become a key issue in utilizing the rate of anchorage resources, ensuring the safety of ships anchoring operations and promoting the development of the shipping industry. Existing anchor position selection and detection algorithm studies are limited to a two-dimensional plane for ship anchor position selection, with few studies considering intelligent detection algorithms for safe ship anchoring water depths based on three-dimensional space, considering conditions such as wind and waves. By considering water depth conditions and the objectives of anchorage safety issues, this study proposes an intelligent detection method for ship anchor detection to find the ship’s ideal anchor location in the anchorages by applying the Monte Carlo algorithm. In the processing step, in combination with the Monte Carlo random plane anchor position detection algorithm and Monte Carlo random sampling water depth detection method, the anchor position circle radius model, safe spacing model, anchoring area detection model and safe water depth model are used for examining the anchorage area for awaiting the ship in three-dimensions. To verify the accuracy of the proposed model, based on the scale of common ship types and considering the most conservative parameters, a series of simulation experiments are conducted to check whether the water depth meets the requirements and fully ensure the safety of the experimental results. The research results indicate that the detection almost cover the whole anchorage area and obtain safe water depth restrictions. This method helps to improve the efficiency of ship anchoring and makes actual anchoring operations safer. Under the premise of ensuring sufficient safe spacing between ships, the anchorage ground can accommodate more ships and simulate multi-type ship anchor position detection operations concerning various ship-type parameters to further ensure the safety of ship anchoring.

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Capacity Planning in Non-uniform Depth Anchorages

Cited by 2 publications

References 8 publications

A stochastic approximation approach to spatio-temporal anchorage planning with multiple objectives

A stochastic approximation approach to spatio-temporal anchorage planning with multiple objectives

Intelligent Detection of 3D Anchor Position Based on Monte Carlo Algorithm

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