This paper presents a decision support methodology for strategic planning in tramp and industrial shipping. The proposed methodology combines simulation and optimization, where a Monte Carlo simulation framework is built around an optimization-based decision support system for short-term routing...

This paper introduces a new problem to the OR community that combines traditional tramp shipping with a vendor managed inventory (VMI) service. Such a service may replace the more traditional contract of affreightment (COA) which for decades has been the standard agreement between a tramp...

This paper considers the real problem of determining an efficient policy for a supply operation in the Norwegian Sea, where a number of offshore installations are serviced from an onshore depot by supply vessels. The purpose of the study was to evaluate the effect on the total supply cost of...