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Abstract
For the case of approximation of convection diffusion equations using piecewise affine continuous finite elements a new edge-based nonlinear diffusion operator is proposed that makes the scheme satisfy a discrete maximum principle. The diffusion operator is shown to be Lipschitz continuous and linearity preserving. Using these properties we provide a full stability and error analysis, which, in the diffusion dominated regime, shows existence, uniqueness and optimal convergence. Then the algebraic flux correction method is recalled and we show that the present method can be interpreted as an algebraic flux correction method for a particular definition of the flux limiters. The performance of the method is illustrated on some numerical test cases in two space dimensions.
Original language | English |
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Pages (from-to) | 521-545 |
Number of pages | 25 |
Journal | Numerische Mathematik |
Volume | 135 |
Issue number | 2 |
Early online date | 7 May 2016 |
DOIs | |
Publication status | Published - 28 Feb 2017 |
Keywords
- convection diffusion
- finite element
- discrete maximum principle
- nonlinear diffusion
- algebraic flux correction
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Projects
- 1 Finished
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Minimal stabilization procedures on anisotropic meshes and nonlinear schemes
15/09/12 → 14/09/15
Project: Research