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Trans. Planning Journal
| Title | Optimization of Container Ship Stowage Plans with Variable Demand |
|---|---|
| Author | Shangyao Yan, Yu-Ping Tu, Keng-Chung Chang |
| Summary | Recently, container ship capacity has been increased and thus significantly aggravates the difficulty in stowage planning which is usually performed manually in practice. In addition, former studies usually assumed container demand to be constant, that simplifies demand variations in actual operations. Therefore, to solve the problem of container ship stowage plan to meet various demand, in this study we developed a stowage planning framework that contained two 0-1 integer programs embodied in a two-stage process to help naval carriers effectively perform their stowage plans. In the first stage, by assigning container groups with the same OD into the blocks, we developed a contain-block assignment model to minimize the number of container shifting, subject to the ship stability constraint, the container overstow constraint, and the other related operating constraints. In the second stage, a container-slot assignment model was established to assign each container into a slot according to the solution from the fist stage. We used mathematical programming software to develop a solution algorithm. To evaluate the models and the solution algorithm in practice, we conducted case study referring to the data obtained from a Taiwan ocean container liner. The results were positive, showing that models and the solution algorithm could be useful for carriers in practice. |
| Vol. | 34 |
| No. | 3 |
| Page | 355 |
| Year | 2005 |
| Month | 9 |
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