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Title: A computational comparison of methods diminishing spurious oscillations in finite element solutions of convection-diffusion equations (English)
Author: John, Volker
Author: Knobloch, Petr
Language: English
Journal: Programs and Algorithms of Numerical Mathematics
Volume: Proceedings of Seminar. Prague, May 28-31, 2006
Issue: 2006
Pages: 122-136
Category: math
Summary: This paper presents a review and a computational comparison of various stabilization techniques developed to diminish spurious oscillations in finite element solutions of scalar stationary convection-diffusion equations. All these methods are defined by enriching the popular SUPG discretization by additional stabilization terms. Although some of the methods can substantially enhance the quality of the discrete solutions in comparison to the SUPG method, any of the methods can fail in very simple situations and hence none of the methods can be regarded as reliable. We also present results obtained using the improved Mizukami-Hughes method which is often superior to techniques based on the SUPG method. ()
Date available: 2015-09-08T11:25:49Z
Last updated: 2015-09-08
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