A comparison of adaptive-grid redistribution and embedding for steady transonic flows

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

In recent years, numerical analysts have increasingly turned to adaptive grid techniques to efficiently obtain highly-accurate solutions to partial-differential equations. This paper presents a comparison of two distinct grid adaptation approaches, grid-point redistribution and grid embedding, applied to two-dimensional, steady, inviscid, shocked flows. Grid redistribution is accomplished through a control function approach applied to the elliptic grid-generator while the embedding approach consists of a fixed global grid and an automatically-chosen number of irregularly-shaped, embedded regions. For both techniques, the Euler flow equations are integrated to steady-state using Ni’s Lax-Wendroff-type integrator to predict the flow fields about a variety of isolated airfoil configurations. The application of a common integration scheme as well as a common adaptive control function leads to a direct comparison of the effectiveness of the two adaptation approaches for the types of problems tested.

Original languageEnglish (US)
Title of host publicationAIAA 21st Fluid Dynamics, Plasma Dynamics and Lasers Conference, 1990
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
StatePublished - 1990
Externally publishedYes
EventAIAA 21st Fluid Dynamics, Plasma Dynamics and Lasers Conference, 1990 - Seattle, United States
Duration: Jun 18 1990Jun 20 1990

Other

OtherAIAA 21st Fluid Dynamics, Plasma Dynamics and Lasers Conference, 1990
CountryUnited States
CitySeattle
Period6/18/906/20/90

ASJC Scopus subject areas

  • Aerospace Engineering
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Engineering (miscellaneous)

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  • Cite this

    Dannenhoffer, J. F. (1990). A comparison of adaptive-grid redistribution and embedding for steady transonic flows. In AIAA 21st Fluid Dynamics, Plasma Dynamics and Lasers Conference, 1990 [AIAA-90-1565] American Institute of Aeronautics and Astronautics Inc, AIAA.