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The use of composite materials in the aviation field has greatly promoted the lightweight, high performance, and structural and functional integration of aircraft. For Liquid Composite Moulding (LCM), the injection time and flow channel of resin can be predicted through computer-aided simulation, and then the flow channel design in the process can be guided. For parts with large size and complex structure, process simulation is especially important. In this study, the simulation and analysis of the manufacturing process of a scaled three-dimensional woven composites casing were carried out. According to the simulation results, reasonable resin injection method and process parameters were selected to support the mould design and process parameter optimization. This helped the successful manufacturing of scaled composite fan containment casings with high quality.
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