Method for optimizing weight of disc spring

A method for optimizing a weight of a disc spring comprising steps:

• S1:
• determining an objective function for weight optimization of the disc spring and key parameters to be solved;
• and
• S2:
• optimizing a structure of an original Harris Hawks optimization, wherein first, eliminating steps of centralized calculation of objective function values in the original Harris Hawks optimization except a step of population initialization, and recording a result when a better solution is obtained, to save calculation time;
• second, introducing a random unit permutation mechanism before an end of each iterative optimization of the original Harris Hawks optimization to enhance global search performance;
• third, deleting a step of searching for an energy factor E with an absolute value greater than or equal to 1 in the original Harris Hawks optimization to reduce an influence of the random unit permutation mechanism on an optimization effect;
• referring to an optimized Harris Hawks optimization as a random unit permutation-based Harris Hawks optimization, and solving the key parameters by means of the random unit permutation-based Harris Hawks optimization to obtain the key parameters for weight optimization of the disc spring.