PSI - Issue 80

Yichen Zhang et al. / Procedia Structural Integrity 80 (2026) 289–298 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

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Fig. 1. Geometric dimensions of the FRP cylindrical tube model.

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Fig. 2. Boundary conditions of the FRP cylindrical tube model: (a) Boundary conditions at the stationary side (b) Kinematic coupling at the rotation side (c) Boundary conditions at the rotation side. Table 1. Material properties for E-glass/Polyester.[3] 11 (MPa) 22 = 33 (MPa) 12 = 13 (MPa) 23 (MPa) 33457 9883 2963 3530 12 = 13 23 0.32 0.4 (MPa) (MPa) (MPa) (MPa) 870 500 30 135 12 = 13 = 23 (MPa) 60 (N/mm) (N/mm) (N/mm) (N/mm) 12 4.7 0.1 1.6 To investigate the influence of different fibre directions, three winding configurations (0°, 45°, and 90°) are modeled for both the 3D and 2D models (Fig. 3). To detect mesh sensitivity through the thickness direction, three distinct element configurations are implemented: (a) Single-layer element (1×1×1 mm), (b) Two-layer elements (1×1×0.5 mm), (c) Five-layer elements (1×1×0.2 mm).