04.2 - Aerostructures Design, Structural Dynamics, Aeroelasticity
DEFORMATION ANALYSIS OF C-SPAR COMPOSITE STRUCTURE DURING THE PREFORMING PROCESSING
F. Chen¹, P. Chen¹, Y.Q. Zhao¹; ¹Shanghai Aircraft Manufacturing Corporation Ltd, China
The C-spar structure was manufactured by the hot draping forming?HDF? process, and the in-plane buckling direction of the fiber was analyzed by the stripping method to obtain the forcing direction of the fiber during the preforming process. Combined with the macroscopic force analysis and the simulation result of the preforming process, the stress and deformation of the laminate in the process can be predicted. Thus, we can avoid and relieve the emerging of the wrinkles and buckling to get a product with high quality.