Chimera. A Grid-Embedding Technique

Abstract

A three-dimensional chimera grid-embedding technique is described. The technique simplifies the construction of computational grids about complex geometries. The method subdivides the physical domain into regions which can accommodate easily generated grids. Communication among the grids is accomplished by interpolation of the dependent variables at grid boundaries. The procedures for constructing the composite mesh and the associated data structures are described. The method is demonstrated by solution of the Euler equations for transonic flow about three ellipsoid bodies in close proximity, a wing/body, and a wing/body/tail. Keywords: Grid-embedding techniques, Computational fluid dynamics, Computer programs, Chimera-grid solution, Finite- difference techniques, Transonic flow, Domain-decomposition techniques, Grid- adapting methods.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1986
Accession Number
ADA167466

Entities

People

  • F. C. Dougherty
  • J. A. Benek
  • J. L. Steger
  • P. G. Buning

Organizations

  • Arnold Engineering Development Complex

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Aerodynamic Configurations
  • Air Force
  • Bodies
  • Classification
  • Computational Fluid Dynamics
  • Computational Science
  • Differential Equations
  • Equations
  • Euler Equations
  • Flow
  • Fluid Dynamics
  • Geometric Forms
  • Geometry
  • Grids
  • Plastic Explosives
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Computational Fluid Dynamics (CFD)
  • Fluid Mechanics and Fluid Dynamics.
  • Systems Analysis and Design