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 …

An experimental study on the strain-rate-dependent compressive and tensile response of an alumina ceramic

M Ji, H Li, J Zheng, S Yang, Z Zaiemyekeh… - Ceramics …, 2022 - Elsevier
This research article studied the strain-rate-dependent mechanical response of a CeramTec
Alotec 98% alumina ceramic under uniaxial compression and indirect tension loadings …

Field‐gradient partitioning for fracture and frictional contact in the material point method

MA Homel, EB Herbold - International Journal for Numerical …, 2017 - Wiley Online Library
Contact and fracture in the material point method require grid‐scale enrichment or
partitioning of material into distinct velocity fields to allow for displacement or velocity …

[图书][B] Nonlinear elastic and inelastic models for shock compression of crystalline solids

JD Clayton - 2019 - Springer
This book describes thermoelastic and inelastic deformation processes in crystalline solids
undergoing loading by shock compression. Constitutive models with a basis in geometrically …

[HTML][HTML] A nonlinear anisotropic elastic–inelastic constitutive model for polycrystalline ceramics and minerals with application to boron carbide

JD Clayton, AL Tonge - International Journal of Solids and Structures, 2015 - Elsevier
A new continuum constitutive theory is developed and implemented for study of
polycrystalline brittle solids subjected to possibly large stress and finite deformation. The …

Two-dimensional dynamic damage accumulation in engineered brittle materials

BML Koch, C Lo, H Li, T Sano, J Ligda… - Engineering Fracture …, 2021 - Elsevier
This paper details the dynamic materials testing of three advanced ceramics (CoorsTek
Engineered Ceramics AD85 and AD995 alumina and a silicon carbide) and a cermet …

A new hybrid framework for simulating hypervelocity asteroid impacts and gravitational reaccumulation

C El Mir, KT Ramesh, DC Richardson - Icarus, 2019 - Elsevier
We present a hybrid approach for simulating hypervelocity impacts onto asteroids. The
overall system response is separated into two stages based on their different characteristic …

The effective compliance of spatially evolving planar wing-cracks

RS Ayyagari, NP Daphalapurkar, KT Ramesh - Journal of the Mechanics …, 2018 - Elsevier
We present an analytic closed form solution for anisotropic change in compliance due to the
spatial evolution of planar wing-cracks in a material subjected to largely compressive …

Quantification of damage and its effects on the compressive strength of an advanced ceramic

E Krimsky, KT Ramesh, M Bratcher, M Foster… - Engineering Fracture …, 2019 - Elsevier
An understanding of the dynamic failure of damaged ceramics is important in protection
applications, where the interaction of the projectile with cracked material is a contributing …

A model for impact-induced lineament formation and porosity growth on Eros

AL Tonge, KT Ramesh, O Barnouin - Icarus, 2016 - Elsevier
We investigate the impact history of the Near Earth Asteroid (NEA) Eros 433 using a new
material model for brittle materials such as rocks, where initial flaw distributions within the …