On spurious oscillations at layers diminishing (SOLD) methods for convection-diffusion equations: Part II - Analysis for P1 and Q1 finite elements - Věda

On spurious oscillations at layers diminishing (SOLD) methods for convection-diffusion equations: Part II - Analysis for P1 and Q1 finite elements

ID: 2539, RIV: 10027594
ISSN: 0045-7825, ISBN: neuvedeno
zdroj: Computer Methods in Applied Mechanics and Engineering
klíčová slova: spurious; oscillations; layers; diminishing; methods; convection-diffusion; equations; Analysis; finite; elements
autoři: Volker John, Petr Knobloch
autoři z KNM: Knobloch Petr

Abstrakt

The most promising SOLD methods are investigated for P1 and Q1 finite elements. In particular, the dependence of the results on the mesh, the data of the problems and parameters of the methods are studied analytically and numerically.