Rocket cabin section connecting method, device, equipment and medium

The invention discloses a rocket cabin section connecting method, device and equipment and a medium, and the method comprises the steps: constructing a rocket body one-dimensional model corresponding to a target rocket body according to the target rocket body; determining a target cabin section in the rocket body one-dimensional model according to a preset modal shape and modal frequency; performing three-dimensional simulation on the target cabin section, the key connecting part of the target cabin section and the connecting piece of the key connecting part to obtain a cabin section three-dimensional model corresponding to the target cabin section; obtaining a rocket body mixed model according to the rocket body one-dimensional model and the cabin section three-dimensional model; and according to the obtained target bending modal shape characteristics, determining a joint surface of a target cabin section in the rocket body hybrid model, the joint surface being a rigid connection surface between the target c