Abstract
In the first part of the work, a new 2.5D woven composites finite element model (2.5D WCFEM) which took into consideration the impact of face structures and can accurately predict the main elastic performances has been established. In this part, the stress–strain behavior and the damage characteristic of this material under uniaxial tension are simulated using nonlinear progressive damage analysis based on damage mechanics. Meanwhile, experimental investigation and fracture analysis are conducted to evaluate the validity of the proposed method. Finally, the influence of woven parameters on the mechanical behavior is discussed. Compared with the test results, a good agreement between the computational and experimental results has been obtained. The progressive damage characteristic and main failure modes are also revealed.
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The work was supported by Jiangsu Innovation Program for Graduate Education [grant number KYLX_0237].
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Song, J., Wen, W., Cui, H. et al. Finite Element Analysis of 2.5D Woven Composites, Part II: Damage Behavior Simulation and Strength Prediction. Appl Compos Mater 23, 45–69 (2016). https://doi.org/10.1007/s10443-015-9449-0
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DOI: https://doi.org/10.1007/s10443-015-9449-0