The hydrodynamic interactions of a slow-moving vessel with a shoreline or an obstacle in shallow water are investigated using slender-body theory. With the assumption that the free surface is rigid, the problem is shown to be equivalent to studying the flow about a porous airfoil moving near an irregular boundary in the horizontal plane. A numerical procedure is developed based on the availability of an "obstacle Green function." Theoretical results indicate that the vessel experiences an attractive force and a bow-in moment during the approach toward a wedge-shaped obstacle, such as a pier or a breakwater, regardless of the angle of approach. For a vessel approaching a side bank at an angle, the theory yields results consistent with the so-called "bank-rejection" phenomenon.

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  • Corporate Authors:

    Society of Naval Architects and Marine Engineers

    601 Pavonia Avenue
    Jersey City, NJ  United States  07306-2907
  • Authors:
    • Yeung, R W
    • Tan, W T
  • Publication Date: 1980-3

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Filing Info

  • Accession Number: 00310510
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 7 1980 12:00AM