Direct-Solution Techniques for Viscous Flows and Their Control.

Abstract

Two main areas of research were pursued. In the area of active control of separated flows, the oscillating flap mechanism is examined by considering a backstep channel with an oscillating flap located in the primary reattachment region. A procedure has been developed for generating clustered conformal coordinates for this geometry with arbitrary orientations of the flap. Considerable effort was directed towards making the computational procedure efficient, so as to make it useful for repeated application needed for this temporally deforming geometry. The corresponding flow solution is presently being developed. Flow past an elliptic cylinder is studied with the objective of examining flow control via an unsteady free stream.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1988
Accession Number
ADA194775

Entities

People

  • Kirti N. Ghia
  • Urmila Ghia

Organizations

  • University of Cincinnati

Tags

Communities of Interest

  • Cyber
  • Space

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Computational Science
  • Conformal Mapping
  • Flow
  • Flow Fields
  • Flow Visualization
  • Fluid Dynamics
  • Fluid Flow
  • Fluid Mechanics
  • Free Stream
  • Geometry
  • Hypervelocity Flow
  • Three Dimensional
  • Turbulent Mixing
  • Two Dimensional
  • Viscous Flow

Readers

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