Demand on High Speed Craft (HSC) is increasing due to development of inland transportation. Research of advanced HSC have been in good progress as the design characteristics of the vessel have much to be discovered. One of the important analyses for HSC is hydrodynamic analysis which includes resistance analysis to maintain good performance with low fuel consumption. In this paper, resistance and flow pattern of one type of HSC, Semi-Small Waterplane Area Twin Hull (SWATH) with advanced design is analyzed. In current research, Computational simulation using CFD (Computational Fluid Dynamics) is performed with RANSE code in order to obtain catamaran performance in resistance. Therefore, the accuracy of CFD for Semi-SWATH is analyzed by comparing the simulation result with experimental result in both catamaran and SWATH mode. Volume of Fluid (VOF) Method is applied to analysis the effect of free surface on the twin hull. For both configurations, the investigation was conducted on the hull form with constant separation length and at different Froude Number from 0.31 to 0.68. The results were compared to available experimental results which were conducted in towing tank at UTM Marine Technology Center.
CFD Application in Resistance Analysis for Advanced Semi-SWATH Vehicle
2013
6 Seiten
Conference paper
English
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