GENERAL PRESSURE DISTRIBUTION FOR AN OSCILLATING SPHERE FLOATING IN A FLUID OF FINITE DEPTH,

Abstract

The general pressure field caused by a heaving sphere floating half submerged in a fluid of finite depth is calculated. A sphere oscillating in an unbounded fluid develops a dipole pressure field. When oscillating on the free surface of a fluid, however, damping and buoyancy forces change the pressure field which now comes under monopole influence as well. The high- and low-frequency limits of singularities in an infinite fluid define the surface conditions for a bounded fluid. The general intermediate frequency case is considered, whereby the pressure field is related to the forces acting on the sphere. (Author)

Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1969
Accession Number
AD0690094

Entities

People

  • Erwin L. W. Paul

Tags

DTIC Thesaurus Topics

  • Frequency
  • Intermediate Frequencies
  • Pressure Distribution
  • Surface Properties

Readers

  • Fluid Dynamics.
  • Marine Hydrodynamics