HYDRODYNAMIC FORCES ON THE SEMI-CIRCLE OSCILLATING ACROSS THE FREE SURFACE

The hydrodynamic forces exerted on a semi-circle cross-section cylinder with a flat top oscillating vertically across the free surface were numerically investigated. The flow field was divided into top region (inner flow field) where it is described by nonlinear shallow water wave equations and outer region where the flow field was solved by Yeung's close-fit method. These two regions are matched at their common boundaries where normal velocities and water exchange quantities between two regions must be unique. To satisfy the above matching condition, computations with iterations were taken. The whole computation was developed in time domain.

• Supplemental Notes:
  • ISOPE 94, 4th Intl Offshore & Polar Engng Conf; 10-15 April 1994; Osaka, Japan. Sponsored by ISOPE, USA et al. Procs. Pubs by ISOPE, ISBN 1-880653-13-3. Vol III, p 233 [4 p, 7 ref, 4 fig]
• Authors:
  • Gu, X
  • Huang, X
• Publication Date: 1994

Language

• English

Subject/Index Terms

• TRT Terms: Cylindrical bodies; Free surface; Hydrodynamic pressure; Oscillation
• Old TRIS Terms: Hydrodynamic forces; Oscillating bodies
• Subject Areas: Marine Transportation; Materials;

Filing Info

• Accession Number: 00709389
• Record Type: Publication
• Source Agency: British Maritime Technology
• Files: TRIS
• Created Date: Aug 14 1995 12:00AM