✦ LIBER ✦

Numerical simulations for transonic aerodynamic flows

✍ Scribed by Yau Shu Wong; Hong Jiang

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 621 KB
Volume: 65
Category: Article
ISSN: 0010-4655
DOI: 10.1016/0010-4655(91)90184-m

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✦ Synopsis

Transonic flow is an important aerodynamic phenomenon that occurs in the high subsonic Mach number flight regime. This paper presents the development of a numerical simulation for three-dimensional transonic aerodynamic flows around an isolated wing. The mathematical formulation is based on a transonic small-disturbance equation, which is a nonlinear and mixed elliptic-hyperbolic partial-differential equation. A Newton-like iterative scheme is developed for solving the transonic equation, and it is used in conjunction with a preconditioned minimal-residual algorithm. The numerical technique is proven to be efficient and reliable. Computational results for transonic flows around the ONERA M6 wing are presented.

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