Study on the fragmentation of shells

F. K. Wittel, F. Kun, B. H. Kröplin, H. J. Herrmann

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Fragmentation, in other words the breaking of particulate material into smaller pieces can be observed in nature and in modern life on a wide range of length scales in all kinds of technical applications. Most studies on dynamic failure focus on the behaviour of bulk systems in one, two and tree dimensions under impact and explosive loading, showing universal power law behaviour of fragment size distribution, however, hardly any studies have been devoted to fragmentation of shells. We present a detailed theoretical and experimental study on the fragmentation of closed thin shells made of disordered brittle material, due to an excess load inside the system. Based on large-scale discrete element simulations with spherical shell systems under different extreme loading situations, we prove a power law for the fragment mass distribution and give evidence that it arises due to an underlying phase transition. Satisfactory agreement is found between the numerical predictions of the exponent of the power law for the fragment mass distribution and the experimental findings.

Original languageEnglish
Title of host publication11th International Conference on Fracture 2005, ICF11
Pages5443-5448
Number of pages6
Publication statusPublished - Dec 1 2005
Event11th International Conference on Fracture 2005, ICF11 - Turin, Italy
Duration: Mar 20 2005Mar 25 2005

Publication series

Name11th International Conference on Fracture 2005, ICF11
Volume7

Other

Other11th International Conference on Fracture 2005, ICF11
CountryItaly
CityTurin
Period3/20/053/25/05

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

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  • Cite this

    Wittel, F. K., Kun, F., Kröplin, B. H., & Herrmann, H. J. (2005). Study on the fragmentation of shells. In 11th International Conference on Fracture 2005, ICF11 (pp. 5443-5448). (11th International Conference on Fracture 2005, ICF11; Vol. 7).