Numerical Techniques and Solutions for Axisymmetrical Viscous Compressible Flows

Abstract

The purpose of the investigation was to develop numerical techniques for solving axisymmetrical, viscous, compressible flow around blunt bodies. Solutions were limited to systems of ideal gases with laminar unseparated boundary layers. The bow wave was represented by a moving discontinuity. The remainder of the system was represented by second order accuracy, time dependent difference equations. In this investigation the difference equations were derived from basic time dependent, viscous compressible flow equations that were transformed into body related coordinates. The addition of stabilizing terms to basic difference equations was used to achieve numerical stability. Numerical experiments were performed to minimize the effect of the stabilizing terms on the results.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1972
Accession Number
AD0744526

Entities

People

  • Kenneth W. Smith
  • Victor J. Skoglund

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Blunt Bodies
  • Boundary Layer
  • Compressible Flow
  • Computers
  • Difference Equations
  • Differential Equations
  • Digital Computers
  • Discontinuities
  • Equations
  • Flow
  • Fluid Dynamics
  • Geometric Forms
  • Inviscid Flow
  • Numerical Analysis
  • Partial Differential Equations
  • Reynolds Number
  • Viscous Flow

Fields of Study

  • Physics

Readers

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