A High‐Fidelity Modeling Method for 2D Woven Laminated Composites Based on the Virtual Fiber Embedded Technology

ABSTRACT High‐fidelity geometry modeling of preforms is extremely important for the mechanical property prediction of composites. This paper presents a novel high‐fidelity modeling approach based on virtual fiber technology to generate material twin models of two‐dimensional (2D) woven laminated composites. First, the high‐precision model of the preform is established following the steps of virtual fiber, virtual yarn, and virtual fabric. Then, the full‐size composite model is constructed using the virtual fiber embedded (VFE) technology. Stiffness corrections were implemented on the VFE elements, effectively constraining the composite model's stiffness error within 10% to achieve accurate stress field characterization. The damage and failure behavior of the composite under tensile load are analyzed, and the numerical simulation results are compared with the experiments. The high‐fidelity model demonstrates excellent agreement with experimental data, as validated through quantitative assessments that reveal less than a 5% discrepancy between simulated and measured values. This approach would be helpful in predicting the mechanical properties of laminated composites with different process parameters and guiding the design of laminated composites with different fiber structures.