Modelling of Some Stealth Features for a Small Navy Ship at the Concept Design Stage
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In this paper the basic research problems associated with modelling the basic stealth features for a small navy ship at the concept design stage are introduced. Amongst the major stealth features considered are: the modification of the immersed ship hull form by a rapid change of the ship loading condition, and modification of the ship boundary layer by the hull skin cover. The other stealth features of the ship are not presented in this paper as they do not refer to the ship hydromechanics. The research method is based on the navy ship risk assessment and assessment of the ship performance. The risk may be estimated according to a proposed risk model. The risk assessment may be done according to the risk matrix criteria. The ship performance assessment is based on modification of the immersed ship hull form and modification of the ship boundary layer. Some elements of the research method and mathematical model for estimating the ship performance are introduced in the paper. In general, the research is associated with the interdisciplinary investigations and multi-criteria ship design. The problems presented in the paper follow the Ph.D. research conducted at the Faculty of Ocean Engineering and Ship Technology at Gdańsk University of Technology.
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