Graph neural network unveils the spatiotemporal evolution of structural defects in sheared granular materials

• Published in: International journal of plasticity Vol. 184; p. 104218
• Main Authors: Mei, Jiangzhou, Ma, Gang, Cao, Wanda, Wu, Ting, Zhou, Wei
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.01.2025
• Subjects: Granular materials; Graph neural network; Macroscopic yielding; Structure-property relationship; Structure-property relationship; Granular materials; Graph neural network; Macroscopic yielding

•Graph neural network quantitatively connects particle-scale structure and dynamics.•A metric called susceptibility is derived to quantify the fragility of local structures.•Structural defects with high susceptibility tend to form clusters in space.•Macroscopic yielding is the consequence of system-...