HULLBORNE HYDROFOIL SIX-DEGREE OF FREEDOM MOTION PREDICTION COMPUTER PROGRAM

A description of a motion prediction computer program for a hullborne hydrofoil is presented. This program computes the six-degree-of-freedom (6DOF) hydrofoil craft motions for a craft advancing at a constant forward speed, less than the critical "lift-off" speed, with arbitrary heading in regular waves. The structure of the program consists essentially of the already existing "DTNSRDC Ship-Motion and Sea-Load Computer Program" modified to incorporate the foil and strut system of a hydrofoil craft. Presented in this report is a brief discussion of the mathematical model, input information pertaining to the hydrofoil and a discussion of the results. The Appendicies present a listing of the foil coefficients, data card format description for the original program, and a program listing. (Author)

• Corporate Authors:

  David Taylor Naval Ship R&D Center

  Ship Performance Department
  Bethesda, MD  United States  20084
• Authors:
  • Stahl, R
  • Zarnick, E E
• Publication Date: 1976-7

Media Info

• Pagination: 125 p.

Subject/Index Terms

• TRT Terms: Computer programs; Constants; Degrees of freedom; Engineering moments; Equations of motion; Foil; Force; Forecasting; Hulls; Hydrofoil boats; Mathematical models; Motion; Ship motion; Simulation; Struts; Studies; Velocity; Water waves
• Uncontrolled Terms: Model tests
• Old TRIS Terms: Force mechanics; Hydrofoil craft; Model testing; Moments; Motion studies
• Subject Areas: Hydraulics and Hydrology; Marine Transportation;

Filing Info

• Accession Number: 00168513
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: SPD-713-01 Final Rpt.
• Files: TRIS
• Created Date: Dec 27 1978 12:00AM