Container fleet-sizing for part transportation and storage in a two-level supply chain

Abstract

This research addresses the fleet-sizing of containers that are used for the protection, transportation, and storage of parts between a component plant and multiple assembly plants. These containers are needed for the storage of completed parts as they are produced, and also for storage of parts as they are used in assembly. The containers are reusable, expensive, occupy a large amount of space when empty or full, and are required to maintain production. An analytical model is developed for the minimum container fleet size that results in no production stoppages due to lack of containers assuming no system variability. The model considers the discrete nature of part production and shipping as well as differences in available production and transportation time. The model is shown to be accurate and provides insight into the factors that affect container fleet size and production stoppage trade-offs.