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LOW-FREQUENCY DRIFTING FORCE ON A FLOATING BODY IN WAVES

The drift speed of a floating structure in a seaway appears to be a slowly varying function of time. If this structure is kept on station by means of anchor lines, the natural sway and surge periods of this mass-spring system are so large that it can be excited by the low-frequency drifting force, resulting in large motion amplitudes of the floater. The origin of the low-frequency drifting force is discussed and the functional relationship with characteristics of the sea is derived theoretically. The theoretical explanation is verified by model test results.

  • Availability:
  • Corporate Authors:

    International Periodical Press

    193 Heemraadssingel
    Rotterdam,   Netherlands 
  • Authors:
    • Verhagen, JHG
  • Publication Date: 1970-4

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00015182
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: May 13 1971 12:00AM