The Numerical Calculation of Subcritical Steady Potential Flow around an Unyawed Ellipsoid,

Abstract

The problem of a subcritical, potential, steady, three-dimensional flow past an unyawed ellipsoid is considered, using ellipsoidal coordinates. The full equations of motion and the exact body surface boundary condition are used throughout. Further, by means of a simple transformation the entire flow field is taken into the computation. A finite difference method, followed by an iterative process is used for the solution of the flow equations. Mach number distributions are given for a number of examples, for the free-stream flow aligned along either the major axis, or the second major axis of the ellipsoid. (Author)

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1975
Accession Number
ADA041592

Entities

People

  • P. W. Duck

Tags

Communities of Interest

  • Air Platforms
  • C4I
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Aspect Ratio
  • Cartesian Coordinates
  • Computations
  • Coordinate Systems
  • Difference Equations
  • Differential Equations
  • Equations
  • Equations Of Motion
  • Flow
  • Flow Fields
  • Integrals
  • Iterations
  • Mach Number
  • Numerical Analysis
  • Partial Differential Equations
  • Potential Flow
  • Three Dimensional

Fields of Study

  • Mathematics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Fluid Mechanics and Fluid Dynamics.