Abstract

This paper describes a computer simulation model as an essential technique to examine alternative marine transportation systems. A two-port system with a two-deck roll-on/roll-off (RO/RO) ship has been taken for the study to represent a short sea transportation system. All operating variables, including those which exhibit random variation in the RO/RO transportation system, have been incorporated. Productivity data for varying number of tugmasters and for alternative internal access options have been obtained partly from physical observation and partly from the output of a simplified mathematical model. A simple economic model has been incorporated to enable the total model to produce the relevant output for the alternatives. The model also produces as output various histograms for some of the operational indices of interest. In the absence of enough real-life data for comparison, some of the results have been verified through the opinion of experts. It was found that such simulation studies are useful and indeed practical tools for the analysis of complex marine transportation systems.

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