Thermoplasticity and strain localization in transversely isotropic materials based on anisotropic critical state plasticity

SJ Semnani, JA White, RI Borja - International Journal for …, 2016 - Wiley Online Library
Geomaterials such as soils and rocks are inherently anisotropic and sensitive to temperature
changes caused by various internal and external processes. They are also susceptible to …

Thermal shock weakening of granite rock under dynamic loading: 3D numerical modeling based on embedded discontinuity finite elements

T Saksala, A Ibrahimbegovic - International Journal for …, 2020 - Wiley Online Library
This paper presents a numerical study of thermal shock weakening of granite rock under
dynamic loading. A fully 3D numerical scheme based on a combined continuum …

Softening behavior of quasi-brittle material under full thermo-mechanical coupling condition: Theoretical formulation and finite element implementation

M Ngo, D Brancherie, A Ibrahimbegovic - Computer Methods in Applied …, 2014 - Elsevier
In this article we introduce a new thermo-damage model, which is capable of modeling the
softening behavior of quasi-brittle under loading condition including temperature change …

Numerical modelling of heat shock‐assisted rock fracture

M Pressacco, T Saksala - International Journal for Numerical …, 2020 - Wiley Online Library
This paper presents a numerical investigation on the effects of thermal shock as a
pretreatment of rock prior to comminution. More specifically, the effect of heat shock‐induced …

Embedded finite element formulation for the modeling of chloride diffusion accounting for chloride binding in meso-scale concrete

N Benkemoun, MN Hammood, O Amiri - Finite Elements in Analysis and …, 2017 - Elsevier
This paper presents the FE formulation for the numerical modelling of chloride ions diffusion
accounting for the chloride binding capacity in meso-scale concrete. The finite element …

New strain energy-based thermo-elastoviscoplastic isotropic damage–self-healing model for bituminous composites—Part I: Formulations

S Hong, KY Yuan, JW Ju - International Journal of Damage …, 2017 - journals.sagepub.com
New initial strain energy-based thermo-elastoviscoplastic isotropic damage–self-healing
formulations for bituminous materials are developed and implemented for numerical …

Poroelastic two‐phase material modeling: theoretical formulation and embedded finite element method implementation

N Benkemoun, R Gelet, E Roubin… - International Journal for …, 2015 - Wiley Online Library
This paper presents the formulation of FEMs for the numerical modeling of a poroelastic two‐
phase (aggregates/mixture phase) solid. The displacement and pressure fields are …

[PDF][PDF] Linear instability or buckling problems for mechanical and coupled thermomechanical extreme conditions

A Ibrahimbegovic, E Hajdo… - Coupled systems …, 2013 - scholar.archive.org
In this work we propose a novel procedure for direct computation of buckling loads for
extreme mechanical or thermomechanical conditions. The procedure efficiency is built upon …

[图书][B] Nonlinear dynamics of structures under extreme transient loads

A Ibrahimbegovic, N Ademović - 2019 - taylorfrancis.com
The effect of combined extreme transient loadings on a structure is not well understood—
whether the source is man-made, such as an explosion and fire, or natural, such as an …

Hybrid stress and heat‐flux formulation of thermodynamics for long‐term simulations in thermo‐viscoplasticity

S Suljević, A Ibrahimbegovic… - International Journal for …, 2024 - Wiley Online Library
In this article, we present a variational formulation for coupled problems in thermodynamics
the most suitable for long‐term simulations of plastic behavior. We start with three‐field Hu …