A study of cellular structures under impact loading

Salim Abdennadher (1) , Han Zhao (1) , Ramzi Othman (2)

1 LMT - Laboratoire de Mécanique et Technologie
2 LMS - Laboratoire de mécanique des solides

This paper presents the effect of inertia of cellular structures under impact loading. Experimental results under static and dynamic loading will be presented for square tubes made of a rate quasi-insensitive material (brass), the dynamic results being obtained using modified split Hopkinson pressure bar technique. The numeric simulation under Ls-dyna of those tests giving similar results will be also presented. Presented experimental, numeric results show that the inertia effect is a dominant factor responsible for the enhancement of crushing strength of cellular structures.

Domaines: Mécanique [physics.med-ph]; Matériaux

Salim Abdennadher, Han Zhao, Ramzi Othman. A study of cellular structures under impact loading. Dymat 2003, 2003, Porto, Portugal. ⟨10.1051/jp4:20020733⟩. ⟨hal-01007811⟩