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This research paper investigates the effects of barrier deformability on the impact load and energy dissipation during granular flow events, such as debris flows. Using the Material Point Method (MPM) and the Drucker-Prager yield criterion, the study identifies a threshold for differentiating between rigid and deformable barriers, demonstrating that a maximum deformation of 3% can reduce peak impact loads significantly. The findings highlight the importance of energy dissipation mechanisms during granular f

Author

Thanh Son Nguyen

Language

EN