Mechanical structure performance margin design method based on physical modeling

The invention discloses a mechanical structure performance margin design method based on physical modeling, and relates to the technical field of computers, and the method comprises the steps: S1, building a simulation model according to the related information of a to-be-analyzed mechanical structure; s2, determining key factors influencing the performance of the mechanical structure to be analyzed according to the simulation model; s3, constructing an association relationship between the performance parameters and the key factors as an initial physical model; s4, calibrating the initial physical model based on an ADLINE adaptive calibration method to obtain an optimized physical model; s5, analyzing the margin of the to-be-analyzed mechanical structure according to the target performance requirement and the optimized physical model; s6, analyzing the reliability of the to-be-analyzed mechanical structure according to the margin of the to-be-analyzed mechanical structure and the target margin; when the struc