Galerkin-petrov limit schemes for the convection-diffusion equation
✍ Scribed by A. D. Lyashko; E. M. Fedotov
- Book ID
- 110158589
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 681 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0012-2661
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The nearly-optimal Petrov-Galerkin (NOPG) method is employed to improve finite element computation of convection-dominated transport phenomena. The design of the NOPG method for convection-diffusion is based on consideration of the advective limit. Nonetheless, the resulting method is applicable to
The Petrov-Galerkin method is applied to transient convective diffusion problems with convection dominance. Weighting functions are used which differ from the shape functions by both symmetric and non-symmetric modifications. It is proved that the symmetric modifications largely influence the accura