Heterogeneous coupling by virtual control methods

tual control method, recently introduced to approximate elliptic and parabolic problems by overlapping domain decompositions, is proposed here for heterogeneous problems. Precisely, we address the coupling of an advection equation with a diffusion-advection equation, with the aim of modelling boundary layers. We investigate both overlapping and non-overlapping (disjoint) subdomain decompositions. In the latter case, several cost functions are considered and a numerical assessment of our theoretical conclusions is carried out.


Published in:
Numer. Math., 90, 2, 241-264
Year:
2001
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 Record created 2007-04-24, last modified 2018-01-27


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