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Rock Mechanics and Rock Engineering

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01.11.2010 | Original Paper

Dynamic Fracturing Simulation of Brittle Material using the Distinct Lattice Spring Method with a Full Rate-Dependent Cohesive Law

verfasst von: T. Kazerani, G. F. Zhao, J. Zhao

Erschienen in: Rock Mechanics and Rock Engineering | Ausgabe 6/2010

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Abstract

A full rate-dependent cohesive law is implemented in the distinct lattice spring method (DLSM) to investigate the dynamic fracturing behavior of brittle materials. Both the spring ultimate deformation and spring strength are dependent on the spring deformation rate. From the simulation results, it is found that the dynamic crack propagation velocity can be well predicted by the DLSM through the implemented full rate-dependent cohesive law. Furthermore, a numerical investigation on dynamic branching is also conducted by using the DLSM code.

Vorheriger Artikel An Example of Realistic Modelling of Rock Dynamics Problems: FEM/DEM Simulation of Dynamic Brazilian Test on Barre Granite

Nächster Artikel The Dynamic Responses of Geo-Materials During Fracturing and Slippage

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Titel: Dynamic Fracturing Simulation of Brittle Material using the Distinct Lattice Spring Method with a Full Rate-Dependent Cohesive Law
verfasst von: T. Kazerani
G. F. Zhao
J. Zhao
Publikationsdatum: 01.11.2010
Verlag: Springer Vienna
Erschienen in: Rock Mechanics and Rock Engineering / Ausgabe 6/2010
Print ISSN: 0723-2632
Elektronische ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-010-0099-0

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