IMPROVEMENTS IN EFFICIENCY AND RELIABILITY FOR NAVIER-STOKES COMPUTATIONS USING THE LU-ADI FACTORIZATION ALGORITHM.

Shigeru Obayashi, K. Matsushima, K. Fujii, K. Kuwahara

Research output: Contribution to journalConference articlepeer-review

40 Citations (Scopus)

Abstract

The LU-ADI factorization algorithm for the Navier-Stokes computations has been developed by using the diagonally dominant LU factorization. The space variable time stepping technique is also implemented to the code. A new dissipation model using a flux limiter coupled with a central difference scheme is proposed and successfully applied to prevent spikes at the shock wave. Effects of grid distributions are investigated to evaluate the reliability of Navier-Stokes solutions. A new algebraic grid generation technique was used for the grid systems of the present computations.

Original languageEnglish
JournalAIAA Paper
Publication statusPublished - 1986 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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