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Extension of AUSMPW+ Scheme for Two-Fluid Model

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Authors
Park, Jin Seok; Kim, Chongam
Issue Date
2013-09
Publisher
한국산업응용수학회
Citation
Journal of the Korean Society for Industrial and Applied Mathematics Vol.17 No.3, pp. 209-219
Keywords
자연과학
Abstract
The present paper deals with the extension of AUSMPW+ scheme into two-fluid model for multiphase flow. AUSMPW+ scheme is the improvement of a single-phase AUSM+scheme by designing pressure-based weighting functions to prevent oscillations near a wall and shock instability after a strong shock. Recently, Kitamura and Liou assessed a family of AUSM-type schemes with two-fluid model governing equations [K. Kitamura and M.-S.Liou, Comparative study of AUSM-Family schemes in compressible multi-phase flow simulations,ICCFD7-3702 (2012)]. It was observed that the direct application of the single-phase AUSMPW+ did not provide satisfactory results for most of numerical test cases, which motivates the current study. It turns out that, by designing pressure-based weighting functions,which play a key role in controlling numerical diffusion for two-fluid model, problems reported in can be overcome. Various numerical experiments validate the proposed modification of AUSMPW+ scheme is accurate and robust to solve multiphase flow within the framework of two-fluid model.
ISSN
1226-9433
Language
Korean
URI
https://hdl.handle.net/10371/84878
DOI
https://doi.org/10.12941/jksiam.2013.17.209
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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