National Repository of Grey Literature 48 records found  beginprevious45 - 48  jump to record: Search took 0.01 seconds. 
Robustní optimální víceúrovňové předpodmiňovače pro nekonformní konečněprvkové systémy
Blaheta, Radim ; Margenov, S. ; Neytcheva, M.
We study strategies to construct hierarchical basis function (HB) multilevel preconditioners for the algebraic systems arising from second order elliptic problems, discretized by the nonconforming Crouzeix-Raviart linear finite elements. To this end we follow the know framework for constructing HB preconditioners for conforming finite element methods (FEM).
Náročné uplatnění iteračních řešičů v geotechnice
Blaheta, Radim ; Byczanski, Petr ; Jakl, Ondřej ; Kohut, Roman ; Kolcun, Alexej ; Krečmer, Karel ; Starý, Jiří
In many fields of science and engineering, we can see challenging tasks, which require application of mathematical modelling. The physical phenomena are simulated with the aid of the finite element method and this simulation leads to huge computational demands, which are concentrated mainly to the solution of large-scale systems of equations. For such systems, we need high performance iterative solvers.

National Repository of Grey Literature : 48 records found   beginprevious45 - 48  jump to record:
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3 Blaheta, Radek
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