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Comminution of solids caused by kinetic energy of high shear strain rate, with implications for impact, shock, and shale fracturing

Autor
Bazant, Z.P.; Caner, F.C.
Tipus d'activitat
Article en revista
Revista
Proceedings of the National Academy of Sciences of the United States of America
Data de publicació
2013-11-26
Volum
110
Número
48
Pàgina inicial
19291
Pàgina final
19294
DOI
https://doi.org/10.1073/pnas.1318739110 Obrir en finestra nova
URL
http://www.pnas.org/content/110/48/19291 Obrir en finestra nova
Resum
Although there exists a vast literature on the dynamic comminution or fragmentation of rocks, concrete, metals, and ceramics, none of the known models suffices for macroscopic dynamic finite element analysis. This paper outlines the basic idea of themacroscopic model. Unlike static fracture, in which the driving force is the release of strain energy, here the essential idea is that the driving force of comminution under high-rate compression is the release of the local kinetic energy of shear st...
Paraules clau
Dimensional Analysis, Dynamic Fracture, Fracture Mechanics, Shale Gas
Grup de recerca
DRM - Dosimetria i Radiofísica Mèdica

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