Convergence acceleration of an aeroelastic navier-stokes solver

Shigeru Obayashi; Guru P. Guruswamy

Convergence acceleration of an aeroelastic navier-stokes solver

Research output: Contribution to conference › Paper › peer-review

Abstract

New capabilities have been added to a Navier-Stokes solver to perform steady-state simulations more efficiently. The flow solver for solving the Navier-Stokes equations is completely rewritten with a combination of the LU-SGS (Lower-Upper factored Symmetric Gauss-Seidel) implicit method and the modified HLLE (Harten-Lax-van Leer-Einfeldt) upwind scheme. A pseudo-time marching method is used for the directly coupled structural equations to improve overall convergence rates for static aeroelastic analysis. Results are demonstrated for transonic flows over rigid and flexible wings.

Original language	English
Publication status	Published - 1994 Jan 1
Externally published	Yes
Event	AIAA Fluid Dynamics Conference, 1994 - Colorado Springs, United States Duration: 1994 Jun 20 → 1994 Jun 23

Other

Other	AIAA Fluid Dynamics Conference, 1994
Country	United States
City	Colorado Springs
Period	94/6/20 → 94/6/23

ASJC Scopus subject areas

Aerospace Engineering
Engineering (miscellaneous)

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title = "Convergence acceleration of an aeroelastic navier-stokes solver",

abstract = "New capabilities have been added to a Navier-Stokes solver to perform steady-state simulations more efficiently. The flow solver for solving the Navier-Stokes equations is completely rewritten with a combination of the LU-SGS (Lower-Upper factored Symmetric Gauss-Seidel) implicit method and the modified HLLE (Harten-Lax-van Leer-Einfeldt) upwind scheme. A pseudo-time marching method is used for the directly coupled structural equations to improve overall convergence rates for static aeroelastic analysis. Results are demonstrated for transonic flows over rigid and flexible wings.",

author = "Shigeru Obayashi and Guruswamy, {Guru P.}",

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AB - New capabilities have been added to a Navier-Stokes solver to perform steady-state simulations more efficiently. The flow solver for solving the Navier-Stokes equations is completely rewritten with a combination of the LU-SGS (Lower-Upper factored Symmetric Gauss-Seidel) implicit method and the modified HLLE (Harten-Lax-van Leer-Einfeldt) upwind scheme. A pseudo-time marching method is used for the directly coupled structural equations to improve overall convergence rates for static aeroelastic analysis. Results are demonstrated for transonic flows over rigid and flexible wings.

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