THE REPRESENTATION OF SHIP HULLS BY CONFORMAL MAPPING FUNCTIONS: FRACTIONAL MAPS

The method of representing a hull by conformal mapping functions of the cross-sections and lengthwise polynomial interpolation of the mappings, developed by von Kerczek and Tuck <see Abs. No. 29048, Apr. 1970>, has found useful applications in ship hydrodynamics and ship design, but in both applications there have been two major criticisms of this representation of the underwater parts of the hull. One of these is easily rectified, but a more serious criticism is that infinite section slope at the load waterline is always present. The Authors <of Science Applications Inc., Annapolis> show how the use of a preliminary fractional conformal mapping eliminates this infinite-slope property. The required modifications to the original method are simple, and are illustrated in an example in which a typical stern-section is considered. A brief note is included on the use of this composite mapping method in boundary- layer calculations.

• Supplemental Notes:
  • J. Ship Res., 27 <1983>, p. 158 <Sept.> (1 p., 5 ref., 1 graph)
• Authors:
  • Kerczek, C
  • von
  • Stern, F
• Publication Date: 1983

Language

• English

Subject/Index Terms

• Subject Areas: Marine Transportation;

Filing Info

• Accession Number: 00685714
• Record Type: Publication
• Source Agency: British Maritime Technology
• Files: TRIS
• Created Date: Aug 14 1995 12:00AM