Dynamic simulation modeling method for railway vehicle rubber element

The invention discloses a dynamic simulation modeling method for a railway vehicle rubber element, which comprises the following steps of: S1, establishing a vehicle-track three-dimensional coupling vibration calculation model, and obtaining relative displacement among a vehicle body, a framework and a wheel pair under the condition of wheel-track coupling vibration through numerical calculation; s2, constructing a rubber element suspension force calculation module, wherein the module is used for calculating the elastic force, the friction force and the viscous force provided by the rubber element; s3, superposing the elastic force, the friction force and the viscous force obtained through calculation in the step S2, outputting total force provided by a rubber element, and feeding back the total force to a vehicle body, a framework and a wheel pair of the vehicle; s4, repeating the operation of the steps S1 to S3; s5, outputting the displacement of the rubber element and the suspension force provided by the r