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압축성 점성 유동 해석을 위한 고차 정확도 불연속 갤러킨-다차원 충격파 포착 기법 연구 : COMPRESSIBLE VISCOUS FLOW ANALYSES USING MULTI DIMENSIONAL SHOCK-CAPTURING MEHTODS FOR HIGHER-ORDER DISCONTINUOUS GALERKIN METHOD
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- Authors
- Issue Date
- 2012-11
- Publisher
- 한국전산유체공학회
- Citation
- 한국전산유체공학회 2012년도 추계학술대회 논문집, pp. 388-395
- Keywords
- 공학 ; 다차원 공간 제한 기법 ; Multi-dimensional Limiting Process ; 불연속 갤러킨 기법 ; Discontinuous Galerkin Method ; 압축성 점성 유동 ; Compressible Viscous Flow
- Abstract
- The present paper deals with the multi-dimensional limiting process (MLP) for higher-order discontinuous Galerkin (DG) methods to compute compressible viscous flows. From the previous works, it was observed that the MLP methods provide an accurate, robust and efficient oscillation-control mechanism in multiple dimensions for linear reconstruction. Recently, MLP has been extended into DG method for hyperbolic conservation laws. This method can be readily extended to viscous flow computation. Various numerical experiments show that the proposed method yields outstanding performances in resolving compressible viscous flow feature.
- Language
- Korean
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