Compact shelter vibration isolation simulation method for miniaturized power van

The invention discloses a compact shelter vibration isolation simulation method for a miniaturized power van. The method comprises the following steps: acquiring a simplified model of a compact shelter vibration isolation system of the miniaturized power van; the vibration isolation system simplified model comprises a shelter frame structure simplified model, a generator set simplified model for connecting a generator and an engine, and a vibration isolation seat simplified model; building finite element models of the shelter vibration isolation system, wherein the finite element models comprise a finite element model of a shelter frame structure, a finite element model of a generator set and a finite element model of a vibration isolation seat; the inherent frequency of the shelter frame structure is calculated, and the inherent frequency of the shelter vibration isolation system is calculated; and comparing the inherent frequency with the working frequency of machines such as a generator and an engine to en