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Abstract Abundant marine natural resources make Indonesia have potential in the field of marine tourism. Karimunjawa is one of the regions that still relies on marine tourism as the main sector in supporting the economy. Unfortunately, the existing modes of marine tourism transportation are dominated by traditional ships that have low performance, safety, and comfort. Therefore, infrastructure development is needed by developing a leisure boat design that has stability and good ship movement so that tourists are comfortable and safe on the trip. This study focuses on optimizing the hydrodynamic characteristics of leisure boats with variations in hull shape and hull dimensions adjusted to the characteristics of waters in Karimunjawa. The research was conducted by designing and analyzing 16 variations of hull models based on 5 reference ships. The regression approach is carried out on the dimensions of the reference ship to obtain variations in ship dimensions, then variations in hull shape include deep v, shallow v, flat bottom and round bottom. Each model variation is tested for resistance, stability, and seakeeping to determine the hydrodynamic performance of each model. Multi Attribute Decision Making (MADM) calculations are carried out afterwards to get the best tourist hull design. Then a sensitivity analysis was carried out on each variation to determine the influence of variations in dimensions and hull shape. The results showed the Deep V D model as the best model based on MADM calculations and hull shape variations had a significant influence on the hydrodynamic performance of the ship. It is hoped that this model can help the development of safe and comfortable tourist boats in accordance with the characteristics of the waters in Karimunjawa.
Ihsanudin et al. (Wed,) studied this question.