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Impact comminution of solids due to local kinetic energy of high shear strain rate: I. Continuum theory and turbulence analogy

Autor
Bazant, Z.P.; Caner, F.C.
Tipus d'activitat
Article en revista
Revista
Journal of the mechanics and physics of solids
Data de publicació
2014-03-01
Volum
64
Pàgina inicial
223
Pàgina final
235
DOI
https://doi.org/10.1016/j.jmps.2013.11.008 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/23320 Obrir en finestra nova
Resum
The modeling of high velocity impact into brittle or quasibrittle solids is hampered by the unavailability of a constitutive model capturing the effects of material comminution into very fine particles. The present objective is to develop such a model, usable in finite element programs. The comminution at very high strain rates can dissipate a large portion of the kinetic energy Of an impacting missile. The spatial derivative of the energy dissipated by comminution gives a force resisting the pe...
Citació
Bazant, Z. P.; Caner, F.C. Impact comminution of solids due to local kinetic energy of high shear strain rate: I. Continuum theory and turbulence analogy. "Journal of the mechanics and physics of solids", 01 Març 2014, vol. 64, p. 223-235.
Paraules clau
Fracture Mechanics, Dynamic Fracture, Fragmentation, Effective Viscosity, Penetration
Grup de recerca
DRM - Dosimetria i Radiofísica Mèdica

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