MOTIONS AND RESISTANCE OF A SHIP IN REGULAR FOLLOWING WAVES

Continuing previous experiments on a model of a fast cargo ship in regular head waves, an experimental program has been set up at Delft University to measure vertical motions and added resistance in regular following waves. The results of these experiments are compared in the report with theoretical calculations carried out by computer, using a later version of the TRIAL program. In the present investigation only heave and pitch motions have been observed and the relative vertical motions of the afterbody measured. The added mass and damping for the ship cross sections were calculated using a Lewis conformal transformation. The resistance due to waves was found by subtracting the still-water resistance from the total resistance.

• Corporate Authors:

  Delft University of Technology

  Ship Hydromechanics Laboratory
  2208 Delft,   Netherlands 
• Authors:
  • Journee, JMJ
• Publication Date: 1976-9

Media Info

• Features: References;
• Pagination: 31 p.

Subject/Index Terms

• TRT Terms: Amplitude; Analysis; Coefficients; Fluid resistance; Following seas; Information processing; Mass; Pitch (Dynamics); Ship motion; Ships; Wave resistance; Waves
• Uncontrolled Terms: Computer aided analysis; Heaving
• Old TRIS Terms: Added mass; Heave amplitude; Regular waves
• Subject Areas: Design; Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00153107
• Record Type: Publication
• Source Agency: British Ship Research Association
• Report/Paper Numbers: No. 440
• Files: TRIS
• Created Date: May 11 1977 12:00AM