Weak solutions for the fully hyperbolic phase-field system of conserved type |
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Authors: | Alfredo Lorenzi Elisabetta Rocca |
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Institution: | (1) Dipartimento di Matematica, Università di Milano, via Saldini, 50, I-20133 Milano, Italy |
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Abstract: | We consider a conserved phase-field system coupling two nonlinear hyperbolic integro-differential equations. The model results
from the assumption that the material undergoing phase transition exhibits some thermal memory effects (cf. 15]) and that
the response of the order parameter to the variation of the free-energy functional is delayed (cf. 10, 23]). We prove the
existence of the solution to the corresponding initial-boundary value problem associated with the resulting PDE system and
a (conditioned) continuous dependence estimate of the solution with respect to the data of the problem.
This work is partially supported by the Italian Ministero dell’Istruzione, dell’Università e della Ricerca, PRIN no. 2004011204,
Project Analisi Matematica nei Problemi Inversi |
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Keywords: | 80A22 45G15 45K05 35B30 35B45 |
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