Conformal Grid Generation for Multi-Element Airfoils

Abstract

This paper describes recently-developed conformal mapping techniques applicable to cases involving general multielement airfoils having any number of airfoil elements. Each technique can be considered as a purely geometric construction or, equivalently, as a network a streamlines and potential-lines of an auxiliary potential-flow solution. The nonuniqueness of such solutions ensures the existence of a wide variety of conformal grid types, each having different point-spacing characteristics. A chronicle is given of the search for the type of grid most suitable for solving the inviscid compressible flow equations using a distributed-source field-panel approach. Examples are shown for grids involving up to four airfoil elements.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1982
Accession Number
ADP000991

Entities

People

  • Douglas Halsey

Organizations

  • Douglas

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Bodies
  • Boundaries
  • Cartography
  • Compressible Flow
  • Conformal Mapping
  • Demographic Cohorts
  • Equations
  • Flow
  • Geometry
  • Grids
  • Incompressible Flow
  • Integral Equations
  • Iterations
  • Potential Flow
  • Sequences
  • Stagnation Point
  • Trailing Edges

Fields of Study

  • Physics

Readers

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

Technology Areas

  • Space