Eur. Phys. J. E (2004) 13: 321-324
https://doi.org/10.1140/epje/i2004-10002-8

Impact craters in loose granular media

Department of Mechanics, Lanzhou University, 730000, Lanzhou, PRC

^* e-mail: wangzht02@st.lzu.edu.cn

Abstract

The craters formed by the impact of steel balls with a loose sand bed are experimentally studied. Both crater size and morphology depend strongly on the impact angle. Two scaling laws, corresponding to length and width, respectively, are proposed.