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Communication Dans Un Congrès Année : 2022

Port Hamiltonian formulation of the solidification process for a pure substance: A phase field approach

Résumé

In this paper we suggest a Port Hamiltonian model of the solidification process of water, using the phase field approach. Firstly, the Port Hamiltonian formulation of the dynamics of the phase field variable, governed by the Allen-Cahn equation, is recalled. It is based on adding to the phase field variable, its gradient, and extending the system with its dynamics. Secondly, the model is completed by the energy balance equation for the heat conduction and the complete Port Hamiltonian model is derived. Thirdly a Algebro-differential Port Hamiltonian representation is suggested, where the Port Hamiltonian system is defined on a Lagrangian submanifold, allowing to use directly the variables defining the thermodynamical data.
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Dates et versions

hal-03854144 , version 1 (15-11-2022)

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Mohammed Yaghi, Françoise Couenne, Aurélie Galfré, Laurent Lefèvre, Bernhard Maschke. Port Hamiltonian formulation of the solidification process for a pure substance: A phase field approach. 4th IFAC Workshop on Thermodynamics Foundations of Mathematical Systems Theory; TFMST 2022, Jul 2022, Montreal, Canada. ⟨10.1016/j.ifacol.2022.08.036⟩. ⟨hal-03854144⟩
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