WAVE-EXCITING FORCES AND MOMENTS ON A DRILL SHIP UNIFORMLY ADVANCING IN OBLIQUE SEAS

A strip method is presented for evaluating the wave-exciting forces and moments acting on a restrained ship uniformly moving in oblique regular waves. The strip method which was presented by the author at the 1970 Houston OTC Conference (Paper No. OTC-1180) has been extended to accommodate forward speed. The sectional wave-exciting forces and moments are evaluated by satisfying the kinematical boundary condition as a diffraction problem based on the close-fit technique. Extensive numerical calculations are made for a Series 60 single hull model and for an ASR catamaran (twin hull). The correlations between experimental and theoretical results for these models, on the whole, confirm the reliability of the present method.

• Supplemental Notes:
  • Presented at the Gulf Section Meeting of SNAME.
• Corporate Authors:

  Stevens Institute of Technology

  Davidson Laboratory, Castle Point Station
  Hoboken, NJ  United States  07030
• Authors:
  • Kim, C H
• Publication Date: 1974-2

Media Info

• Features: Appendices; References;
• Pagination: p. 53

Subject/Index Terms

• TRT Terms: Catamarans; Force; Offshore drilling platforms; Ship motion; Waves
• Old TRIS Terms: Regular waves; Wave forces on structures
• Subject Areas: Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00054180
• Record Type: Publication
• Source Agency: Society of Naval Architects and Marine Engineers
• Files: TRIS
• Created Date: May 7 1974 12:00AM