Landing buffer calculation method considering airbag damage

The invention discloses a landing buffer calculation method considering airbag damage. The method comprises the following steps: constructing a landing buffer model; performing simulation analysis on the landing buffer model to obtain a first simulation analysis result; extracting the node stress FN at the joint of the capsule body and the capsule body and the internal pressure PIN of the capsule body in the landing buffering process from the first simulation analysis result; judging whether the capsule is broken or not; if it is determined that the capsule body is broken, a capsule damage model is constructed, simulation analysis is conducted on the capsule damage model, and a second simulation analysis result is obtained; extracting capsule pressure and landing load displacement, speed and overload from the second simulation analysis result, and judging a landing buffer process. According to the method, the airbag pressure intensity, the node constraint force and other keywords are extracted, and the airbag