Abstract
This work provides a method to predict the three-dimensional equivalent elastic properties of the filament-wound composites based on the multi-scale homogenization principle. In the meso-scale, a representative volume element (RVE) is defined and the bridging model is adopted to establish a theoretical predictive model for its three-dimensional equivalent elastic constants. The results obtained through this method for the previous experimental model are compared with the ones gained respectively by experiments and classical laminate theory to verify the reliability of this model. In addition, the effects of some winding parameters, such as winding angle, on the equivalent elastic behavior of the filament-wound composites are analyzed. The rules gained can provide a theoretical reference for the optimum design of filament-wound composites.
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