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This paper describes to determine optimum main particulars of w arships which satisfy user's requirements in a concept design stage with minimum cons truction cost and maximum transportation efficiency. Present worth was used as an assessment criteria of the economical efficiency. And Pareto optimal set was used to have the optimum design. ※Keywords: Economic evaluation( ), Construction cost(), Present worth(), Pareto optimal set(  ), Preliminary design(), Warsh ips() ℃ : 2008 4 15, : 2008 4 21✝, shishin@hanmail.net, 051-719-5565 1.    , ,          .                    .        ,            .             .       ,                   .                ,     ,        .

A Study on Preliminary Design of Warships by Economic Evaluation