
Keywords: سیستم های غیر خطی پارابولی; 35B65; 35K61; 35Q56; 47H30; 74A15; 80A22Nonlinear initial–boundary value problems; Nonlinear parabolic systems; Dynamic boundary conditions; Leray–Schauder principle; Nemytskii’s operator; Thermodynamics; Phase-field models