RESONANT RESPONSE OF OFFSHORE STRUCTURES

A nonlinear deterministic mathematic model is used to investigate the resonant response of a tall offshore structure under the action of periodic deep water waves. The added mass which is attributed to the acceleration of a body in the fluid is taken into consideration. The fundamental period of vibration of a structure is lengthened due to the effect of the added mass. An incremental numerical technique is employed to obtain the solution. The results show that even when damping due to drag is considered, the response of the structure at resonance is greatly amplified.

• Supplemental Notes:
  • Order paper number 8708.
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Selna, L
  • Cho, D
• Publication Date: 1972-2

Media Info

• Pagination: p. 15-24
• Serial:
  • Journal of Waterways, Harbors & Coast Eng Div
  • Volume: 98
  • Issue Number: WW1
  • Publisher: American Society of Civil Engineers

Subject/Index Terms

• TRT Terms: Coast and river protective works; Hydrodynamics; Offshore platforms; Offshore structures
• Old TRIS Terms: Wave force analysis
• Subject Areas: Bridges and other structures; Design; Hydraulics and Hydrology; Marine Transportation; Terminals and Facilities;

Filing Info

• Accession Number: 00034783
• Record Type: Publication
• Source Agency: American Society of Civil Engineers
• Files: TRIS
• Created Date: Sep 29 1972 12:00AM