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A TREATMENT OF CONTACT DISCONTINUITY FOR CENTRAL UPWIND SCHEME BY CHANGING FLUX FUNCTIONSA TREATMENT OF CONTACT DISCONTINUITY FOR CENTRAL UPWIND SCHEME BY CHANGING FLUX FUNCTIONS
- Other Titles
- A TREATMENT OF CONTACT DISCONTINUITY FOR CENTRAL UPWIND SCHEME BY CHANGING FLUX FUNCTIONS
- Issue Date
- 2013
- Publisher
- 한국산업응용수학회
- Keywords
- contact discontinuity; central upwind scheme; flux function; conservation laws.
- Citation
- Journal of the Korean Society for Industrial and Applied Mathematics, v.17, no.1, pp.29 - 45
- Indexed
- KCI
- Volume
- 17
- Number
- 1
- Start Page
- 29
- End Page
- 45
- ISSN
- 1226-9433
- Abstract
- Central schemes offer a simple and versatile approach for computing approximate solutions of nonlinear systems of hyperbolic conservation laws. However, there are large numerical dissipation in case of contact discontinuity. We study semi-discrete central upwind scheme by changing flux functions to reduce the numerical dissipation and we perform numerical computations for various problems in case of contact discontinuity.
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Related Researcher
- Hwang, Woon Jae
- 과학기술대학 (응용수리과학부 데이터계산과학전공)