Parametrically-upscaled continuum damage mechanics (PUCDM) model for multiscale damage evolution in bending experiments of glass-epoxy composites

This paper demonstrates the effectiveness of parametrically-upscaled continuum damage mechanics (PUCDM) models for multiscale analysis S-2 glass fiber/SC-15 epoxy matrix composite beams subjected to single-edge notched bending (SENB) tests. The SENB experiments with [012/9012] double-ply and [08/908/08] triple-ply use synchrotron X-ray phase-contrast imaging in-situ characterization. PUCDM represent a class thermodynamically-consistent constitutive that bridge length-scales through explicit incorporation representative aggregated microstructural parameters (RAMPs) in coefficients. Functional forms RAMPs are generated machine learning tools, operating on micromechanical database. efficient PUCDM-based FE simulations reveal phenomena experiments.