Directional crystallization with a mushy region. Part 2: nonlinear analysis of dynamic stabilityEugenya V. Makoveeva, Alexander A. Ivanov, Irina V. Alexandrova and Dmitri V. AlexandrovEur. Phys. J. Spec. Top., 232 8 (2023) 1129-1139DOI: https://doi.org/10.1140/epjs/s11734-023-00821-9