TANKER STRUCTURAL ANALYSIS FOR MINOR COLLISIONS

In a study of the behavior of a longitudinally framed oil tanker structure during a minor collision in which the cargo tank remains intact, a plastic analysis procedure, based partly on model tests and inspections of collision damage, was developed and applied to a limited number of idealized ship collisions. The mathematical model of the analysis procedure follows the various phases of structural behavior of the struck ship occurring as a collision progresses--bending and stiffener buckling of the stiffened hull plating followed by membrane stretching, web frame failures, etc., up to hull rupture. Both single- and double-skinned ships were studied. Parametric analyses using the analytical procedure have indicated that most (typically between 2/3 and 9/10) of the energy absorbed during a collision is that of membrane tension in the stiffened hull. Other significant energy absorbed is that of memebrane tension in the stiffened deck and in-plane shearing of web frames.

  • Supplemental Notes:
    • Presented at the SNAME Annual Meeting, New York, N.Y., Nov. 14-16, 1974.
  • Corporate Authors:

    Society of Naval Architects and Marine Engineers

    601 Pavonia Avenue
    Jersey City, NJ  USA  07306-2907
  • Authors:
    • McDermott, J F
    • Kline, R G
    • Jones, E L
    • Maniar, N M
    • Chiang, W P
  • Publication Date: 1974-11

Media Info

  • Features: References;
  • Pagination: 26 p.
  • Serial:
    • Issue Number: 10

Subject/Index Terms

Filing Info

  • Accession Number: 00071649
  • Record Type: Publication
  • Source Agency: Society of Naval Architects and Marine Engineers
  • Files: TRIS
  • Created Date: Nov 12 1974 12:00AM