Computational thermo-hydro-mechanics for multiphase freezing and thawing porous media in the finite deformation range
A stabilized thermo-hydro-mechanical (THM) finite element model is introduced to
investigate the freeze–thaw action of frozen porous media in the finite deformation range. By …
investigate the freeze–thaw action of frozen porous media in the finite deformation range. By …
Combined stability analysis of phase-field dynamic fracture and shear band localization
Dynamic fracture of metals is a fascinating multiphysics-multiscale problem that often results
in brittle and/or ductile fracture of structural components and under high strain rates may …
in brittle and/or ductile fracture of structural components and under high strain rates may …
Modeling and simulation framework for dynamic strain localization in elasto-viscoplastic metallic materials subject to large deformations
HM Mourad, CA Bronkhorst, V Livescu, JN Plohr… - International Journal of …, 2017 - Elsevier
This paper describes a theoretical and computational framework for the treatment of
adiabatic shear band formation in rate-sensitive polycrystalline metallic materials. From a …
adiabatic shear band formation in rate-sensitive polycrystalline metallic materials. From a …
Stability analysis of the phase-field method for fracture with a general degradation function and plasticity induced crack generation
The phase-field method is a popular technique for modeling crack initiation, bifurcation and
coalescence without the need to explicitly track the crack surfaces. In this framework, the …
coalescence without the need to explicitly track the crack surfaces. In this framework, the …
Multidimensional stability analysis of the phase-field method for fracture with a general degradation function and energy split.
A local physical stability criterion for multidimensional fracture problems modeled by the
phase field method is developed and studied. Stability analysis provides a rigorous …
phase field method is developed and studied. Stability analysis provides a rigorous …
Three-dimensional explicit finite element formulation for shear localization with global tracking of embedded weak discontinuities
Shear localization is a damage mechanism characterized by the concentration of plastic
deformation within thin bands of materials, often observed as a precursor to failure in metals …
deformation within thin bands of materials, often observed as a precursor to failure in metals …
Locating the optimal microstructural state against dynamic perforation by evaluating the strain-rate dependences of strength and hardness
Intense research efforts have been made to understand the variation of strength with strain
rate, while the mechanisms governing the strain-rate dependence of hardness have been …
rate, while the mechanisms governing the strain-rate dependence of hardness have been …
A comparative study of shear band tracking strategies in three-dimensional finite elements with embedded weak discontinuities
We present a computational framework for the treatment of shear localization in metallic
materials under dynamic loading, based on the integration of a shear band tracking strategy …
materials under dynamic loading, based on the integration of a shear band tracking strategy …
Explicit and implicit methods for shear band modeling at high strain rates
L Berger-Vergiat, X Chen, H Waisman - Computational Mechanics, 2019 - Springer
High strain rate loading of metals typically leads to material instabilities known as shear
bands. These are narrow bands of intense plastic deformation that weaken the load bearing …
bands. These are narrow bands of intense plastic deformation that weaken the load bearing …
Dynamic shear instabilities in metallic sheets subjected to shear-compression loading
JA Rodríguez-Martínez, A Vaz-Romero… - Journal of the …, 2020 - Elsevier
This paper presents an investigation on the formation of adiabatic shear bands in metallic
sheets subjected to dynamic shear-compression loading under plane-stress conditions. For …
sheets subjected to dynamic shear-compression loading under plane-stress conditions. For …