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Computer representation of numerical expertise for preliminary ship design

MacCallum, K.J. and Duffy, A.H.B. (1989) Computer representation of numerical expertise for preliminary ship design. Marine Technology, 26 (4). pp. 289-302. ISSN 0025-3316

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This paper presents some of the results of a program of research into methods and representing knowledge of empirical numerical relationships used in these early stages of the design process. The work is based on an experimental system, DESIGNER, described in earlier papers. An improved understanding of the requirements of an interactive numerical design system is developed. As a consequence, methods have been developed to handle approximate values and relationships, to include design margins, and to represent explicitly in the system the definition and use of goals, or design requirements. Using a design model representing a bulk carrier, the paper then presents a worked example