Grid Network Generation with Adaptive Boundary Points for Projectiles at Transonic Speed

Abstract

The existing grid generation package GRIDGEN for projectile aerodynamics problems has been modified for an additional option to provide grid systems with adaptive boundary grid points. An improvement on hyperbolic grid generation is also made for more accurate finite-difference computations. The modifications made to GRIDGEN have been discussed and documented. The resulting package of computer programs named ADAPTGD has been tested successfully for generating a number of two-dimensional grid networks for a projectile.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1983
Accession Number
ADA128041

Entities

People

  • Hsu Chen-chi

Organizations

  • Ballistic Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics
  • Materials and Manufacturing Processes
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Accuracy
  • Aerodynamics
  • Army
  • Army Aviation
  • Boundaries
  • Computer Programs
  • Computers
  • Engineering
  • Flow
  • Flow Fields
  • Instructions
  • Maryland
  • Procedures (Computers)
  • Projectiles
  • Simulations
  • Transonic Flow
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Energy Conservation and Renewable Energy Engineering.
  • Fluid Dynamics.
  • Software Engineering