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math.AP2025
Analysis of a Cahn--Hilliard model for viscoelastoplastic two-phase flows
Fan Cheng, Robert Lasarzik, Marita Thomas
We study a Cahn--Hilliard two-phase model describing the flow of two viscoelastoplastic fluids, which arises in geodynamics. A phase-field variable indicates the proportional distr…
math.AP2025
Energy-variational structure in evolution equations
Robert Lasarzik
We consider different measure-valued solvability concepts from the literature and show that they could be simplified by using the energy-variational structure of the underlying sys…