Front Propagation in Geometric and Phase Field Models of Stratified Media

Verfasser / Beitragende:
[Annalisa Cesaroni, Cyrill Muratov, Matteo Novaga]
Ort, Verlag, Jahr:
2015
Enthalten in:
Archive for Rational Mechanics and Analysis, 216/1(2015-04-01), 153-191
Format:
Artikel (online)
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024 7 0 |a 10.1007/s00205-014-0804-3  |2 doi 
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245 0 0 |a Front Propagation in Geometric and Phase Field Models of Stratified Media  |h [Elektronische Daten]  |c [Annalisa Cesaroni, Cyrill Muratov, Matteo Novaga] 
520 3 |a We study front propagation problems for forced mean curvature flows and their phase field variants that take place in stratified media, that is, heterogeneous media whose characteristics do not vary in one direction. We consider phase change fronts in infinite cylinders whose axis coincides with the symmetry axis of the medium. Using the recently developed variational approaches, we provide a convergence result relating asymptotic in time front propagation in the diffuse interface case to that in the sharp interface case, for suitably balanced nonlinearities of Allen-Cahn type. The result is established by using arguments in the spirit of Γ-convergence, to obtain a correspondence between the minimizers of an exponentially weighted Ginzburg-Landau type functional and the minimizers of an exponentially weighted area type functional. These minimizers yield the fastest traveling waves invading a given stable equilibrium in the respective models and determine the asymptotic propagation speeds for front-like initial data. We further show that generically these fronts are the exponentially stable global attractors for this kind of initial data and give sufficient conditions under which complete phase change occurs via the formation of the considered fronts. 
540 |a Springer-Verlag Berlin Heidelberg, 2014 
700 1 |a Cesaroni  |D Annalisa  |u Dipartimento di Matematica, Università di Padova, Via Trieste 63, 35121, Padua, Italy  |4 aut 
700 1 |a Muratov  |D Cyrill  |u Department of Mathematical Sciences, New Jersey Institute of Technology, 07102, Newark, NJ, USA  |4 aut 
700 1 |a Novaga  |D Matteo  |u Dipartimento di Matematica, Università di Pisa, Largo Bruno Pontecorvo 5, 56127, Pisa, Italy  |4 aut 
773 0 |t Archive for Rational Mechanics and Analysis  |d Springer Berlin Heidelberg  |g 216/1(2015-04-01), 153-191  |x 0003-9527  |q 216:1<153  |1 2015  |2 216  |o 205 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Cesaroni  |D Annalisa  |u Dipartimento di Matematica, Università di Padova, Via Trieste 63, 35121, Padua, Italy  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Muratov  |D Cyrill  |u Department of Mathematical Sciences, New Jersey Institute of Technology, 07102, Newark, NJ, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Novaga  |D Matteo  |u Dipartimento di Matematica, Università di Pisa, Largo Bruno Pontecorvo 5, 56127, Pisa, Italy  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Archive for Rational Mechanics and Analysis  |d Springer Berlin Heidelberg  |g 216/1(2015-04-01), 153-191  |x 0003-9527  |q 216:1<153  |1 2015  |2 216  |o 205