Experimental study of high-velocity impact and fracture of ice |
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Authors: | A Combescure Y Chuzel-Marmot J Fabis |
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Institution: | 1. LaMCoS, INSA-Lyon, Universite de Lyon, CNRS UMR 5259, 18-20 rue des Sciences, F69621 Villeurbanne, France;2. Laboratoire de Mecanique, ONERA 5 Square P Painlevé 59000 Lille, France |
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Abstract: | This paper presents a series of experiments on high-velocity fracture of ice. Two types of experimental results are examined: standard material characterization under compression, and fracture modes observed under high-velocity impact. These fragmentation modes were observed during impact on rigid supports as well as deformable plates. The dynamic fracture phenomena were analyzed using a Cordin ultrafast imaging system. Two types of ice were tested: equiaxed and monocrystalline ice. The results give valuable information both for the understanding of high-velocity ice fracture mechanisms and for the validation of the computation tools. |
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