http://www.cnr.it/ontology/cnr/individuo/prodotto/ID31540
Solution of linear systems from an optimal control problem arising in wind simulation (Articolo in rivista)
- Type
- Label
- Solution of linear systems from an optimal control problem arising in wind simulation (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/nla.679 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Benzi M.; Ferragut L.; Pennacchio M.; Simoncini V. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- Scopu (literal)
- ISI Web of Science (WOS) (literal)
- Mathematical Reviews on the web (MathSciNet) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Department of Mathematics and Computer Science, Emory University, Atlanta, U.S.A.;
Instituto Universitario de Física y Matemáticas y Departamento de Matemática Aplicada, Universidad de Salamanca, Spain;
Istituto di Matematica Applicata e Tecnologie Informatiche, CNR, Pavia, Italy;
Dipartimento di Matematica, Università di Bologna, Italy (literal)
- Titolo
- Solution of linear systems from an optimal control problem arising in wind simulation (literal)
- Abstract
- Several solution strategies for a class of large, sparse linear systems with a block 2×2 structure arising from the finite element discretization of an optimal control problem in wind simulation are introduced and analyzed.
Block preconditioners and a sparse direct solver on the original coupled system are compared
with a preconditioned GMRES iteration applied to a reduced system (Schur complement). Theoretical and
experimental results demonstrate the effectiveness of the reduced system approach. (literal)
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