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math.NA2020
Doubly Degenerate Diffuse Interface Models of Anisotropic Surface Diffusion
Marco Salvalaglio, Maximilian Selch, Axel Voigt +1
We extend the doubly degenerate Cahn-Hilliard (DDCH) models for isotropic surface diffusion, which yield more accurate approximations than classical degenerate Cahn-Hilliard (DCH)…
math.NA2019
Doubly Degenerate Diffuse Interface Models of Surface Diffusion
Marco Salvalaglio, Axel Voigt, Steven M. Wise
We discuss two doubly degenerate Cahn-Hilliard (DDCH) models for isotropic surface diffusion. Degeneracy is introduced in both the mobility function and a restriction function asso…