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A COMPUTATIONAL STUDY OF BULK VISCOSITY EFFECTS ON SHOCK-VORTEX INTERACTION USING DISCONTINUOUS GALERKIN METHODA COMPUTATIONAL STUDY OF BULK VISCOSITY EFFECTS ON SHOCK-VORTEX INTERACTION USING DISCONTINUOUS GALERKIN METHOD
- Other Titles
- A COMPUTATIONAL STUDY OF BULK VISCOSITY EFFECTS ON SHOCK-VORTEX INTERACTION USING DISCONTINUOUS GALERKIN METHOD
- Issue Date
- 2017
- Publisher
- 한국전산유체공학회
- Keywords
- Bulk viscosity; Diatomic gas; Shock-vortex interaction; Discontinuous Galerkin method
- Citation
- 한국전산유체공학회지, v.22, no.2, pp 86 - 95
- Pages
- 10
- Indexed
- KCI
- Journal Title
- 한국전산유체공학회지
- Volume
- 22
- Number
- 2
- Start Page
- 86
- End Page
- 95
- ISSN
- 1598-6071
- Abstract
- On the basis of a high order discontinuous Galerkin method, the bulk viscosity effects on shock-vortex interaction are investigated by solving the two-dimensional conservational laws for diatomic gases. A comparison of shock-vortex interaction in monatomic and diatomic gases is conducted. In the case of diatomic gas flow, the substantially strengthened enstrophy evolution is observed. In addition, the effects of interaction parameters such as shock and vortex Mach numbers on shock-vortex interaction are examined. The results show that the strong shock-vortex interaction associated with high shock and vortex Mach numbers can result in higher enstrophy.
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