A review of mechanisms and models for dynamic failure, strength, and fragmentation

KT Ramesh, JD Hogan, J Kimberley… - Planetary and Space …, 2015 - Elsevier
Modeling of catastrophic disruption requires understanding the processes of dynamic failure
and fragmentation. This paper summarizes current mechanisms and models for dynamic …

[HTML][HTML] Void growth in ductile materials with realistic porous microstructures

AR Vishnu, G Vadillo, JA Rodríguez-Martínez - International Journal of …, 2023 - Elsevier
In this paper, we have investigated void growth in von Mises materials which contain
realistic porous microstructures. For that purpose, we have performed finite element …

Coseismic damage generation and pulverization in fault zones: Insights from dynamic Split‐Hopkinson Pressure Bar experiments

FM Aben, ML Doan, JP Gratier… - Fault zone dynamic …, 2017 - Wiley Online Library
Coseismic damage in fault zones contributes to the short‐and long‐term behavior of a fault
and provides a valuable indication of the parameters that control seismic ruptures. This …

A scaling law for the dynamic strength of brittle solids

J Kimberley, KT Ramesh, NP Daphalapurkar - Acta Materialia, 2013 - Elsevier
A universal scaling relationship is developed that describes the dynamic compressive
strength of brittle solids. The scaling is based on the micromechanics of the growth of cracks …

Experimental investigation of granite properties under different temperatures and pressures and numerical analysis of damage effect in enhanced geothermal system

LL Guo, YB Zhang, YJ Zhang, ZW Yu, JN Zhang - Renewable energy, 2018 - Elsevier
In this work, the variation in granite mechanical property with temperature (30° C–150° C)
under different confining stresses (0.1–60 MPa) is experimentally investigated specifically …

Revealing Size Effect and Associated Variability of Rocks Based on BPM–μDFN Modelling: Significance of Internal Microstructure and Strain Rate

C Zhou, H Xie, J Zhu - Rock Mechanics and Rock Engineering, 2024 - Springer
Accurate determination of rock strength is always a crucial problem to ensure the stability of
rock engineering, which can be estimated from experimental data at a small scale through …

Acoustic emission characteristics and damage model of cement mortar under uniaxial compression

Q Gu, Q Ma, Y Tan, Z Jia, Z Zhao, D Huang - Construction and Building …, 2019 - Elsevier
Cement mortar is a widely used construction material; its mechanical behaviour is affected
by the proportion of its contents and external loads. Its health condition and damage …

Predicting variability in the dynamic failure strength of brittle materials considering pre-existing flaws

NP Daphalapurkar, KT Ramesh… - Journal of the …, 2011 - Elsevier
We perform two-dimensional dynamic fracture simulations of a specimen in biaxial tension,
incorporating various distributions of pre-existing microcracks. The simulations consider the …

The effects of microstructure and confinement on the compressive fragmentation of an advanced ceramic

JD Hogan, L Farbaniec, M Shaeffer… - Journal of the …, 2015 - Wiley Online Library
We investigate the rate‐dependent compressive failure and fragmentation of a hot‐pressed
boron carbide, under both uniaxial and confined biaxial compression, using quantitative …

The effects of defects on the uniaxial compressive strength and failure of an advanced ceramic

JD Hogan, L Farbaniec, T Sano, M Shaeffer… - Acta Materialia, 2016 - Elsevier
This study investigates the effects of the processing-induced defect population on the
dynamic compressive strength and failure of a hot-pressed boron carbide. Quantitative …