NUMERICAL SOLUTION OF COMPRESSIBLE FLOWS USING A PRESSURE-BASED METHOD

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FARHANIEH B.; GOL AFSHANI M.; SHAYESTE S.A.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:1998 | Volume:22 | Issue:3 Page(s): 329-346

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Title

NUMERICAL SOLUTION OF COMPRESSIBLE FLOWS USING A PRESSURE-BASED METHOD

Author(s)

FARHANIEH B. | GOL AFSHANI M. | SHAYESTE S.A.

Keywords

COMPUTATIONAL FLUID DYNAMICS

SUBSONIC

TRANSONIC

SUPERSONIC FLOW

OBLIQUE SHOCK

Abstract

A finite-volume code, based on the SIMPLEC algorithm, has been
extended to cover compressible flows. The key element of the extension is the
transformation of the pressure correction equation to an equation for density
transport. This is done by introducing upwind density correction terms implicitly via
an equation of state, which gives a hyperbolic nature to the original elliptic equation.
To check the validity of the method and extended code, different cases, including
flow in a converging-diverging nozzle, over a bump in a channel and over a cylinder
are considered. The accuracy and convergence behavior, and the significance of
density interpolation and use of accurate second-order approximation schemes, such
as QUICK, van Leer and Minimum Gradient for convective terms, are pointed out.
It is shown that the method and extended code satisfy the required features of a
compressible flow solver. Furthermore, it is concluded that the use of central
interpolation for density and upwinding density corrections, and use of the
Minimum Gradient second-order scheme for convective terms, in the present
method, make up the best combination from considered options.

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APA: Copy

FARHANIEH, B., GOL AFSHANI, M., & SHAYESTE, S.A.. (1998). NUMERICAL SOLUTION OF COMPRESSIBLE FLOWS USING A PRESSURE-BASED METHOD. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 22(3), 329-346. SID. https://sid.ir/paper/530684/en

Vancouver: Copy

FARHANIEH B., GOL AFSHANI M., SHAYESTE S.A.. NUMERICAL SOLUTION OF COMPRESSIBLE FLOWS USING A PRESSURE-BASED METHOD. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 1998;22(3):329-346. Available from: https://sid.ir/paper/530684/en

IEEE: Copy

B. FARHANIEH, M. GOL AFSHANI, and S.A. SHAYESTE, “NUMERICAL SOLUTION OF COMPRESSIBLE FLOWS USING A PRESSURE-BASED METHOD,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 22, no. 3, pp. 329–346, 1998, [Online]. Available: https://sid.ir/paper/530684/en

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