Domain Decomposition Approach for Interfacial Failure in Fiber-Reinforced Composites by the Beam-Solid Coupling Idea
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This work will propose a partitioned approach coupling the one-dimensional beam fibers with a three-dimensional solid matrix. It is to interconnect the gap between computationally efficient homogenization and high-fidelity full-three dimensional solid discretization (Fig. 1). Localized Lagrange multipliers will be employed to enforce the compatibility across the non-conformal interfaces [1]. The framework will be extended using the floating node method combined with cohesive zone modeling to explicitly capture the fiber-matrix debonding. This methodology enables the dynamic insertion of the cohesive segments without complex remeshing. Consequently, the proposed framework is expected to offer a scalable, physically consistent solution for analyzing a large-scale interface failure, effectively balancing the computational efficiency along with the local stress estimation capability.
