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A-posteriori error analysis and adaptive finite element methods for singularly perturbed convection-diffusion equations

✍ Scribed by Hans-Jürgen Reinhardt; W. Wendland

Book ID
112143847
Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
815 KB
Volume
4
Category
Article
ISSN
0170-4214

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An a posteriori error estimate for finite element approximations of a singularly perturbed advection-diffusion problem
✍ Song Wang 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 843 KB

In this paper the author presents an a posteriori error estimator for approximations of the solution to an advectiondiffusion equation with a non-constant, vector-valued diffusion coefficient e in a conforming finite element space. Based on the complementary variational principle, we show that the e