Effect of rib structures on ballistic resistance in aluminum plates under rock projectile impact: A hybrid FEM-DEM framework with equivalent thickness analysis

•A hybrid FEM-DEM model simulates brittle projectile impact accurately.•Stress wave reflection near ribs reduces local ballistic resistance.•An equivalent thickness theory quantifies the rib-weakening effect.•Rib proximity decreases the ballistic limit by up to 4 %.•Findings guide optimal design of...

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Veröffentlicht in:	Thin-walled structures Jg. 219; S. 114286
Hauptverfasser:	Xie, Wenkui, Lu, Haoran, Sun, Hailiang, Wu, Hanling, Sun, Yuxin
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Elsevier Ltd 01.02.2026
Schlagworte:	Ballistic resistance Brittle impact Equivalent thickness FEM-DEM Rib structures FEM-DEM Equivalent thickness Ballistic resistance Rib structures Brittle impact
ISSN:	0263-8231
Online-Zugang:	Volltext
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