After curing and molding

the large curvature carbon fiber skin will produce a large curing deformation

resulting in a gap between the skin and the skeleton

and the composite skin will bear a certain assembly load when riveting assembly. In order to control the assembly load in the assembly process of large curvature carbon fiber skin riveting assembly

a numerical calculation model of the riveting process of composite skin was constructed

and a riveting sequence optimization model was established with the maximum strain of the skin during the riveting process being the smallest

and the loading point and constraint point support reaction force being less than the critical value as the constraint conditions

and the optimization model was solved by genetic algorithm and ABAQUS secondary development. The results show that the maximum strain of the composite skin under the preferred riveting order is significantly smaller than the strain during riveting according to the process experience order

which proves that the method is effective and feasible.