SWAY AND ROLL OF AN AXI-SYMMETRICAL BODY

Radiation problems of sway and roll of an axi-symmetrical body have been solved by means of Bessho's variational approach. Calculation results are in good agreement with Ohkusu's calculations of a vertical cylinder and Kudo's experiments of a sphere. Hydrodynamic coefficients and wave exciting forces of bulbous bodies have been calculated systematically for use of actual design. Motions of a semisubmersible offshore platform of footing type have been calculated directly using above hydrodynamic coefficients and wave exciting forces. Added mass coefficients calculated by variational method can be used for inertia coefficients applied in Morison's wave force equation.

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

  Society of Naval Architects of Japan

  15-16, Toranomon, 1-chome, Minato-ku
  Tokyo,   Japan 
• Authors:
  • Sao, K
• Publication Date: 1976

Media Info

• Pagination: n.p.
• Serial:
  • Journal of the Society of Naval Architects of Japan
  • Volume: 140
  • ISSN: 0514-8499

Subject/Index Terms

• TRT Terms: Coefficients; Excitation; Force; Hydrodynamic pressure; Mass; Moments (Mechanics); Motion; Offshore platforms; Rolling; Semisubmersibles; Ship motion; Waves
• Uncontrolled Terms: Wave forces
• Old TRIS Terms: Added mass; Hydrodynamic forces; Platform motions; Rolling moment
• Subject Areas: Bridges and other structures; Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00323692
• Record Type: Publication
• Source Agency: Stevens Institute of Technology
• Files: TRIS
• Created Date: May 21 1981 12:00AM