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07 February 2025
 
  » arxiv » 1609.0127

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On a class of conserved phase field systems with a maximal monotone perturbation
Michele Colturato ;
Date 1 Sep 2016
AbstractWe prove existence and regularity for the solutions to a Cahn-Hilliard system describing the phenomenon of phase separation for a material contained in a bounded and regular domain. Since the first equation of the system is perturbed by the presence of an additional maximal monotone operator, we show our results using suitable regularization of the nonlinearities of the problem and performing some a priori estimates which allow us to pass to the limit thanks to compactness and monotonicity arguments. Next, under further assumptions, we deduce a continuous dependence estimate whence the uniqueness property is also achieved. Then, we consider the relating sliding mode control (SMC) problem and show that the chosen SMC law forces a suitable linear combination of the temperature and the phase to reach a given (space dependent) value within finite time.
Source arXiv, 1609.0127
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