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- Title
High-resolution scheme based on the undetermined coefficient method and its application.
- Authors
Teng WU; Lingli WU
- Abstract
The upwind scheme exhibits spurious oscillations in resolving the convectively dominated problems. In this paper, a high-resolution scheme for advection equation was developed by using the undetermined coefficient method to reduce the numerical diffusion. The new scheme is applied to a rectangular wave and a Gaussian wave. The results show that the new scheme agrees well with the exact solution for pure convection of a Gauss wave and the rectangular wave. The new scheme has better accuracy than the conventional upwind scheme.
- Subjects
COEFFICIENTS (Statistics); ADVECTION-diffusion equations; OSCILLATIONS; RECTANGULAR waveguides; GAUSSIAN beams
- Publication
Journal of Engineering Science & Technology Review, 2013, Vol 6, Issue 1, p119
- ISSN
1791-2377
- Publication type
Article