PROBABILITY-BASED FUZZY OPTIMUM DESIGN OF SHIP STRUCTURES

The advanced mixed integer programming method (AMIPM) which can deal with both continuous and discrete variables and efficiently solve the structural optimum problems was proposed. Given the configuration of the structure, the probabilistic nature of the materials and loads, the optimum values of the design variables can be determined to minimise the structural weight, subject to the fuzzy constraints and the specified allowable reliability index of the structure with AMIPM. The optimum design of the midship section of a bulk carrier with 25,000 t D/W is given. The results show that among four schemes of optimum designs, rules, fuzzy, probability-based and probability-based fuzzy optimum design, the later has the lightest weight.

• Supplemental Notes:
  • Selected Pprs of the Chinese Soc of Naval Architecture and Marine Engng, v 6, 1991 Pubs by Shipbuilding of China, Shanghai, p 85 [7 p, 14 ref, 1 tab, 1 fig]
• Authors:
  • SHAO, W
  • Liang, Z
• Publication Date: 1991

Language

• English

Subject/Index Terms

• TRT Terms: Fuzzy logic; Fuzzy systems; Probability; Ships; Vehicle design
• Uncontrolled Terms: Ship design
• Old TRIS Terms: Ship structures
• Subject Areas: Data and Information Technology; Design; Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00701600
• Record Type: Publication
• Source Agency: British Maritime Technology
• Files: TRIS
• Created Date: Aug 14 1995 12:00AM