Effect of microstructural length scales on crack propagation in elastic Cosserat media

نویسندگان

چکیده

This contribution introduces a multiscale fracture model that aims to take the microstructural length scale effects into account in brittle failure. is formulated framework of Cosserat continuum theory and coupled with phase field approach failure describe complex crack paths. The effectiveness proposed method demonstrated using two cases: shear propagation problem interaction problem. first benchmark reveal synergistic aspect between kinematic parameters related energy distribution. shows importance on resulting macroscopic path. An application case then highlight consequences terms coalescence kinetics.

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ژورنال

عنوان ژورنال: Engineering Fracture Mechanics

سال: 2022

ISSN: ['1873-7315', '0013-7944']

DOI: https://doi.org/10.1016/j.engfracmech.2022.108399