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Bipenalty method for time domain computational dynamics

Autor
Askes, H.; Caramés Saddler, M.; Rodriguez-Ferran, A.
Tipus d'activitat
Article en revista
Revista
Proceedings of the Royal Society of London. Series A, mathematical and physical sciences
Data de publicació
2009-12-11
Volum
88
Número
7-8
Pàgina inicial
1389
Pàgina final
1408
DOI
https://doi.org/10.1098/rspa.2009.0350 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/80361 Obrir en finestra nova
URL
http://sauwok.fecyt.es/apps/InboundService.do?product=CCC&action=retrieve&SrcApp=EndNoteWeb&UT=000276089300009&SID=S2dfie5nCMogeojjEdG&SrcAuth=ISIResearchSoft&mode=FullRecord&customersID=ISIResearchSoft&DestFail=http%3A%2F%2Faccess.isiproducts.com%2Fcustom_images%2Fwok_failed_auth.html Obrir en finestra nova
Resum
Penalty functions can be used to add constraints to systems of equations. In computational mechanics, stiffness-type penalties are the common choice. However, in dynamic applications stiffness penalties have the disadvantage that they tend to decrease the critical time step in conditionally stable time integration schemes, leading to increased CPU times for simulations. In contrast, inertia penalties increase the critical time step. In this paper, we suggest the simultaneous use of stiffness pen...
Citació
Askes, H., Caramés Saddler, M., Rodriguez-Ferran, A. Bipenalty method for time domain computational dynamics. "Proceedings of the Royal Society of London. Series A, mathematical and physical sciences", 11 Desembre 2009, vol. 88, núm. 7-8, p. 1389-1408.
Paraules clau
bipenalty method, constraints, critical time step, explicit time integration, penalty method
Grup de recerca
LACÀN - Mètodes Numèrics en Ciències Aplicades i Enginyeria

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