Zeit: | Montag, 02.08.1999, 09:00 Uhr |
Ort: | Reichenhainer Straße 70, B202 |
Autoren: | M. Jung, A.M. Matsokin, S.V. Nepomnyaschikh, Yu.A. Tkachev |
Thema: | Multilevel preconditioning operators on locally modified grids |
Systems of grid equations that approximate elliptic boundary
value problems on locally modified grids are considered.
The triangulation which approximates the boundary with second order of
accuracy is generated from an initial uniform triangulation by shifting
nodes near the boundary according to special rules. This "locally
modified" grid possess several significant features:
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