http://www.cnr.it/ontology/cnr/individuo/prodotto/ID31629
Weighted energy-dissipation functionals for gradient flows (Articolo in rivista)
- Type
- Label
- Weighted energy-dissipation functionals for gradient flows (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1051/cocv/2009043 (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Alexander Mielke; Ulisse Stefanelli (literal)
- Pagina inizio
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- http://www.esaim-cocv.org/articles/cocv/abs/2011/01/cocv0909/cocv0909.html (literal)
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- ISI Web of Science (WOS) (literal)
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- Weierstraß-Institut für Angewandte Analysis und Stochastik, Mohrenstraße 39, 10117 Berlin, Germany;
Institut für Mathematik, Humboldt-Universität zu Berlin, Rudower Chaussee 25, 12489 Berlin, Germany;
IMATI - CNR, v. Ferrata 1, 27100 Pavia, Italy. ulisse.stefanelli@imati.cnr.it (literal)
- Titolo
- Weighted energy-dissipation functionals for gradient flows (literal)
- Abstract
- We investigate a global-in-time variational approach to abstract evolution by means of the weighted energy-dissipation functionals proposed by Mielke and Ortiz [ESAIM: COCV 14 (2008) 494-516]. In particular, we focus on gradient flows in Hilbert spaces. The main result is the convergence of minimizers and approximate minimizers of these functionals to the unique solution of the gradient flow. Sharp convergence rates are provided and the convergence analysis is combined with time-discretization. Applications of the theory to various classes of parabolic PDE problems are presented. In particular, we focus on two examples of microstructure evolution from [S. Conti and M. Ortiz, J. Mech. Phys. Solids 56 (2008) 1885-1904.]. © 2009 EDP Sciences, SMAI. (literal)
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