Comparative study of LU-ADI and LU-SGS methods for the compressible Navier-stokes equations = 압축성 Navier-stokes 방정식을 위한 LU-ADI 方法과 LU-SGS 方法의 비교연구

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The lower-upper Alternating Direction Implicit (LU-ADI) factored scheme and the lower-upper Symmetric-Gauss-Seidel (LU-SGS) method, the two recent popular thin-layer Navier-Stokes equations solvers, have been studied in a comparative manner through application to a few test flow problems. LU-ADI factorization is mainly based on the implicit flux vector splitting technique which includes the simple estimation of eigenvalue of the viscous terms. On the other hand, the LU-SGS method does not require flux splitting in the approximate Newton iteration but requires scalar diagonal inversion only. The two methods have been equally applied to simple inviscid and turbulent cascade flow problems consisting of circular arc airfoils. The computational results have been compared each other and also with the existing experimental data.
Advisors
Chang, Keun-Shikresearcher장근식researcher
Description
한국과학기술원 : 항공우주공학과,
Publisher
한국과학기술원
Issue Date
1992
Identifier
59936/325007 / 000901294
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 항공우주공학과, 1992.2, [ iii, 24 p. ]

URI
http://hdl.handle.net/10203/26516
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=59936&flag=dissertation
Appears in Collection
AE-Theses_Master(석사논문)
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