ANALYSIS OF SHIP DESIGN UNDER UNCERTAINTY IN THE MULTIPLE CRITERIA DECISION MAKING FRAMEWORK

A concept exploration model for ship design aims at finding a feasible set of principal dimensions and form coefficients which best suits a given set of techno-economic criteria. The models used for concept exploration largely rely on empirical formulas or statistical correlations for the estimates of weight, building cost, operating cost etc. Moreover the fuel oil cost, freight rate, port charges etc. are some of the non-deterministic input parameters used in the model based on information or prediction which invariable contain uncertainty. A multiple criteria decision making framework for ship design has been developed which allows a probabilistic modelling of the non-deterministic input parameters and the inherent error in the estimation methods. The relative influence of the non-deterministic input parameters on the final merit function can be computed leading to subsequent identification of those parameters which contribute largely to the overall uncertainty of the design. A bulk carrier design has been taken up in the multiple criteria decision making framework to illustrate the methodology.

  • Supplemental Notes:
    • PRADS 95, 6th Intl Symposium on Practical Design of Ships and Mobile Units; 17-22 Sept 1995; Seoul, Korea. Procs. Publ by Soc Naval Architects of Korea, ISBN 89-950016-2-3. Vol 2, p 2.1264 [12 p, 13 ref, 3 tab, 4 fig]
  • Authors:
    • Ray, T
    • Gokarn, R P
    • Sha, O P
  • Publication Date: 1995

Language

  • English

Subject/Index Terms

Filing Info

  • Accession Number: 00727651
  • Record Type: Publication
  • Source Agency: British Maritime Technology
  • Files: TRIS
  • Created Date: Nov 4 1996 12:00AM