Simulation method and device based on meshless finite element, electronic equipment and medium

The invention discloses a simulation method and device based on a meshless finite element, electronic equipment and a medium, which are applied to an assembly body, and the method comprises the following steps: representing a plurality of target parts in the assembly body by adopting independent areas to obtain an initial simulation model; performing modal simulation analysis on the initial simulation model, determining structural vibration characteristics of the assembly, and performing primary optimization on the initial simulation model based on the structural vibration characteristics to obtain a model after modal simulation; performing a sweep frequency vibration test on the assembly to obtain loads of the assembly under various working conditions, and setting corresponding loads for the model after modal simulation; and carrying out random vibration simulation analysis on the model after modal simulation based on the load, and carrying out secondary optimization on the model after modal simulation based