Boundary-Layer and Inverse Potential-Flow Methods for Axisymmetric Bodies.

Abstract

This report provides a description of two methods and their computer programs for calculating viscous and inviscid flows past axisymmetric bodies. The first is a boundary-layer method for both laminar and turbulent flows. The procedure embodies a finite-difference representation of the boundary-layer equations and uses an eddy-viscosity model to represent turbulent flows. The second method is an inviscid-flow procedure which obtains solutions to the potential equation by an orthogonal expansion procedure. The accuracy is equivalent to higher-order Neumann solutions, but at a considerable savings of computer time. This method can be used in either a direct or an inverse mode. Details of each method are presented and the use of the computer program is documented with various test cases. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1978
Accession Number
ADA054759

Entities

People

  • D. P. Mack
  • Kalle Kaups
  • R. M. James
  • Tuncer Cebeci

Organizations

  • Douglas

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Computer Programs
  • Coordinate Systems
  • Differential Equations
  • Engineering
  • Equations Of Motion
  • Fluid Flow
  • Heat Transfer
  • Mass Transfer
  • Mechanical Properties
  • Plastic Explosives
  • Potential Flow
  • Pressure Gradients
  • Standards
  • Three Dimensional
  • Turbulent Flow

Fields of Study

  • Physics

Readers

  • Fluid Mechanics and Fluid Dynamics.
  • Regression Analysis.
  • Wave Propagation and Nonlinear Chaotic Dynamics.