PSI - Issue 82

Koji Uenishi et al. / Procedia Structural Integrity 82 (2026) 79–83 Uenishi et al. / Structural Integrity Procedia 00 (2026) 000 – 000

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Compressed air

Airsoft pellet

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Pressurized cavity at stable dynamic equilibrium

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Fig. 1. Compressed air-induced particle motion and development of a pressurized cavity in a three-dimensional granular medium made of glass beads [unit: cm]. Time elapsed after the initiation of injection of compressed air.