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Adaptive piecewise ...
Adaptive piecewise constant discontinuous Galerkin methods for convection-diffusion problems
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- Bengzon, Fredrik, 1978- (författare)
- Umeå universitet,Institutionen för matematik och matematisk statistik
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- Larson, Mats G (författare)
- Umeå universitet,Institutionen för matematik och matematisk statistik,UMIT
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(creator_code:org_t)
- 2009
- Engelska.
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- In this paper we present a discontinuous Galerkin method with piecewise constant approximation for convection-diffusion type equations. We show that if the discretization is carefully chosen, then the method is optimal in the L2 norm as well as in a discrete energy norm measuring the normal flux across element boundaries. We also derive a posteriori error estimates and illustrate their effectiveness in combination with adaptive mesh refinement on a few benchmark problems.
Ämnesord
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
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