Entropy Production in Phase Field Theories
Allen–Cahn (Ginzburg–Landau) dynamics for scalar fields with heat conduction is treated in rigid bodies using a nonequilibrium thermodynamic framework with weakly nonlocal internal variables . The entropy production and entropy flux is calculated with the classical method of irreversible thermodynamics by separating full divergences.
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The work was supported by the grants National Research, Development and Innovation Office – NKFIH 116197(116375), NKFIH 124366(124508) and NKFIH 123815.
The paper is dedicated to Jüri Engelbrecht on the occasion of his 80th birthday.
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