Numerical simulation method for composite air suspension system

The invention belongs to the technical field of vehicle dynamics simulation, and discloses a composite air suspension system numerical simulation method which specifically comprises the following steps: S1, establishing a composite air suspension system three-dimensional model; s2, establishing a finite element model of each component in the composite air suspension system; s3, establishing a finite element model of the clamping mechanism assembly; s4, establishing a local coordinate system of the clamping mechanism and performing coordinate transformation; s5, contact setting of all parts in the composite air suspension system; s6, rigidity simulation of the elastic element is carried out; s7, modeling a tire grounding point; s8, the pretightening force working condition of the composite air suspension is set and calculated; s9, setting and calculating the use condition of the composite air suspension; and S10, judging a result. According to the numerical simulation method for the composite air suspension sy