ON CALCULATION METHOD OF SHIP MANEUVERING MOTION AT INITIAL DESIGN PHASE

This paper presents a practical method to predict the characteristics of the ship maneuvering motion at the initial design phase. Supposing that the principal particulars of ship hull, propeller and rudder are given at the phase of the ship's initial design, an attempt is made to calculate the maneuvering motion utilizing those principal particulars as basic input data. The mathematical model which describes the ship maneuvering motion is based upon the coupled equations of surge, sway, yaw, heel and number of propeller shaft revolution. Computations are made for seven typical merchant ships covering various kinds and sizes of ships shown in Table 1. In order to examine the validity of the calculation method of this paper for wide range of maneuvering motion characteristics, the computed results are compared with the results of the full scale trial for three kinds of typical characteristics, namely turning motion with rudder angle of 35 degrees, 10 degrees--10 degrees zigzag maneuver response and steady turning performance. Both the computed and the full scale trial results are in satisfactory agreement for various kinds and sizes of ships, and for wide range of maneuvering motion characteristics, as shown in Figs. 5 thru 30. It can be concluded that the calculation method proposed in this paper is very useful and powerful for the prediction of the characteristics of the ship maneuvering motion at the initial design phase. (Author)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/05148499
• Corporate Authors:

  Society of Naval Architects of Japan

  23 Shiba-kotohiracho, Minato-ku
  Tokyo 135,   Japan 

  Society of Naval Architects of Japan

  15-16, Toranomon, 1-chome, Minato-ku
  Tokyo,   Japan 
• Authors:
  • Hirano, M
• Publication Date: 1980-6

Language

• Japanese

Media Info

• Features: References;
• Pagination: p. 144
• Serial:
  • Journal of the Society of Naval Architects of Japan
  • Volume: 147
  • ISSN: 0514-8499

Subject/Index Terms

• TRT Terms: Maneuvering; Mathematical models; Ship motion; Ship trials; Turning traffic
• Old TRIS Terms: Turning characteristics
• Subject Areas: Marine Transportation; Terminals and Facilities; Vehicles and Equipment;

Filing Info

• Accession Number: 00319525
• Record Type: Publication
• Files: TRIS
• Created Date: Oct 8 1980 12:00AM