DIFFRACTION THEORY AND STATISTICAL METHODS TO PREDICT WAVE INDUCED MOTIONS AND LOADS FOR LARGE STRUCTURES

This paper presents results from computations of wave loads on one fixed and one floating large volume structure using three-dimensional sink-source technique (diffraction theory). The motions and mean drift forces are also included for the latter. Theoretical calculations are compared with the results from model experiments. Generally, good agreement was found between computer programme results and experiments. Three-dimensional diffraction theory was further used to predict the effect a large volume caisson may have on the incident wave and to estimate the added mass pressure in vibration. The design wave concept and the use of statistical methods in connection with diffraction theory are discussed on the basis of different wave spectra forms. The application of two-dimensional sink-source method (strip theory) compared to the three-dimensional method is discussed with reference to sample calculations.

Media Info

  • Features: References;
  • Pagination: p. 797-820

Subject/Index Terms

Filing Info

  • Accession Number: 00138197
  • Record Type: Publication
  • Source Agency: Offshore Technology Conference
  • Report/Paper Numbers: V1, OTC 2502 Proceeding
  • Files: TRIS
  • Created Date: Aug 23 1976 12:00AM