Electric connection part corrosion process simulation method and device and medium

The invention relates to an electric connection part corrosion process simulation method, which comprises the following steps: constructing a phase field model for simulating corrosion and degradation prediction of an electric connection part, and establishing initial conditions and boundary conditions of the phase field model according to an actual operation power equipment environment of the electric connection part; establishing a whole set of equation set of the phase field model, wherein the equation set comprises a carrier transport equation, a chemical reaction equation and an electric field coupling equation; and based on initial conditions and boundary conditions of the phase field model and the whole set of equation set, simulating the corrosion process of the electric connection component by utilizing numerical calculation. According to the invention, corrosion overheating simulation of an actual electric connection structure in different working environments can be realized, an influence rule of d