Mesoscale Mechanical Simulation of Plain-Weave Composite Materials Based on the Incremental Secant Mean Field Method

Plain-woven fiber-reinforced composites , with their multidirectional mechanical properties, damage tolerance, and environmental durability derived from their interwoven structure, combined with customizable design flexibility and molding process advantages, have become key materials for achieving lightweight, high-performance equipment.This paper addresses the challenge of predicting the mechanical behavior of plain-woven composites due to their complex mesoscale structure. To this end, the study extends the enhanced Incremental-Tangent Mean-Field Homogenization (MFH) framework, previously developed for unidirectional composites, to plain-woven systems. This MFH framework integrates complex physical mechanisms—including asymmetric matrix plasticity, strain-controlled damage, interfacial debonding, and fiber rotation—within a unified homogenization scheme. By embedding it into mesoscale representative volume elements (RVEs) and conducting systematic oblique tensile simulations, the study demonstrates the model's exceptional accuracy in reproducing experimentally observed nonlinear stress-strain responses, damage evolution, and fiber rotation. Compared to full-field direct numerical simulations, this approach offers significant computational cost advantages. Validated through ABAQUS finite element simulations, this methodology provides an analytical framework for rational design and performance evaluation of woven composites, combining high fidelity with high efficiency.