Abstract
Container ports are critical components of global port and shipping supply chain (PSSC) systems. Their handling operation resiliencies can affect their performance, along with those of the overall port and shipping supply chain. According to the characteristics of the container handling operations, this study establishes a modeling paradigm for quantifying the resilience of handling chain system (HCS) in container ports. Considering the nonnegative arrive rate and the container handling completion rate, with the upper limit in real container port environments, nonlinear links have been added into the model of the HCS. The resilience of the HCS was analyzed according to the different pole distributions of unsatisfied freight requirement transfer function. Simulation results show that the upper limit of the container handling completion rate has a significant impact on the resilience of the HCS. The contributions herein demonstrate a starting point in the development of a quantitative resilience decision making framework and mitigating the negative impacts for port authorities and other players in the PSSC.
Highlights
In the global supply chain era, container ports are becoming increasingly important for modern societies
We consistently develop final values of unsatisfied freight requirement (ufr(t)) and container handling completion rate (comrate(t)) within the steady state condition
ARATE’ is the theoretical arrive rate which equals to aVfr(t) + ufr(t)/TU + efrip(t)/TI; COMRATE’ is the theoretical container handling completion rate, which is only calculated by arate(t) and the handling operation policy 1/(1 + TGs); COMRATEm is the upper limit of COMRATE
Summary
In the global supply chain era, container ports are becoming increasingly important for modern societies. Despite the important role of resilience in enhancing performance improvements for PSSCs, no studies have been identified to quantify the resilience of handling chain system (HCS) in container ports and examine the real impact of nonlinearities on operation resilience, such as control method, while including those important players in the PSSC. This is not an easy task as there are many dynamics at play. The contributions will ensure decision making by port manager to protect ports and make them more resilient and promote socially efficient handling chains
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