Abstract
The deformation, fracture, and fragmentation of fiber fabric happened in the process of hypervelocity impact have been widely researched. However, the analysis of the contact between yarns during the impact has not been reported. Considering the contact behavior between fabric fibers, a unit cell model for fiber fabric was established, based on the FEM-SPH coupling algorithm. The model can be used to analyze the damage behavior such as the perforation, fracture, fragmentation, and cloud propagation, as well as provide the mechanical information of the interaction process between yarns during the hypervelocity impact between fiber fabric and space debris. The analysis results obtained by the model are in good agreement with experimental measurements.
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