http://www.cnr.it/ontology/cnr/individuo/prodotto/ID85133
Substructuring preconditioners for the bidomain extracellular potential problem (Contributo in atti di convegno)
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- Label
- Substructuring preconditioners for the bidomain extracellular potential problem (Contributo in atti di convegno) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1007/978-3-540-34288-5_43 (literal)
- Alternative label
Pennacchio M., Simoncini V. (2006)
Substructuring preconditioners for the bidomain extracellular potential problem
in ENUMATH 2005 - 6th International Conference on Numerical Mathematics and Advanced Applications, Santiago de Compostela
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Pennacchio M., Simoncini V. (literal)
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- Numerical Mathematics and Advanced Applications (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
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- ISI Web of Science (WoS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- IMATI- CNR, Pavia
Dipartimento di Matematica, Universita' degli Studi di Bologna (literal)
- Titolo
- Substructuring preconditioners for the bidomain extracellular potential problem (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
- Abstract
- We study the efficient solution of the linear system arising from the discretization by the mortar method of mathematical models in electrocardiology. We focus on the bidomain extracellular potential problem and on the class of substructuring preconditioners. We verify that the condition number of the preconditioned matrix only grows polylogarithmically with the number of degrees of freedom as predicted by the theory and validated by numerical tests. Moreover, we discuss the role of the conductivity tensors in building the preconditioner. (literal)
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