Results 51 to 60 of about 4,685,644 (340)

Emergence of Shear Bands in Confined Granular Systems: Singularity of the q-Statistics

Entropy, 2018
The statistics of grain displacements probability distribution function (pdf) during the shear of a granular medium displays an unusual dependence with the shear increment upscaling as recently evinced (see “experimental validation of a ...
Léo Viallon-Galinier, Gaël Combe, Vincent Richefeu, Allbens Picardi Faria Atman   +3 more
doaj   +1 more source

Strain localization in a shear transformation zone model for amorphous solids

, 2007
We model a sheared disordered solid using the theory of Shear Transformation Zones (STZs). In this mean-field continuum model the density of zones is governed by an effective temperature that approaches a steady state value as energy is dissipated.
D. Griggs, E. M. Lifshitz, J. Lewandowski, J. M. Carlson, J. S. Langer, M. Falk, M. Falk, M. L. Manning, V. V. Bulatov   +8 more
core   +1 more source

A Comparison of Plasticity Regularization Approaches for Geodynamic Modeling

Geochemistry, Geophysics, Geosystems, 2023
The emergence, geometry and activation of faults are intrinsically linked to frictional rheology. The latter is thus a central element in geodynamic simulations which aim at modeling the generation and evolution of fault zones and plate boundaries ...
Thibault Duretz, Ludovic Räss, René deBorst, Tim Hageman   +3 more
doaj   +1 more source

Quantitative Evaluation of Soil Structure and Strain in Three Dimensions under Shear Using X-ray Computed Tomography Image Analysis

Journal of Imaging, 2021
The objective of this study is to quantitatively evaluate the soil structure behavior when under shear stress to understand the mechanism of shear zone formation using a micro-focus X-ray computed tomography (CT) scanner to visualize the internal samples
Shintaro Nohara, Toshifumi Mukunoki
doaj   +1 more source

Migration and Localization of Metal Atoms on Strained Graphene [PDF]

Physical Review Letters, 2010
Reconstructed point defects in graphene are created by electron irradiation and annealing. By applying electron microscopy and density functional theory, it is shown that the strain field around these defects reaches far into the unperturbed hexagonal network and that metal atoms have a high affinity to the nonperfect and strained regions of graphene ...
Cretu, Ovidiu, Krasheninnikov, Arkady V., Rodríguez-Manzo, Julio A., Sun, Litao, Nieminen, Risto M., Banhart, Florian   +6 more
openaire   +5 more sources

On materially and geometrically non-linear analysis of reinforced concrete planar frames [PDF]

, 2004
A family of new beam finite elements for geometrically and materially non-linear static analysis of reinforced concrete planar frames is derived, in which strain measures are the only interpolated unknowns, and where the constitutive and equilibrium ...
Bratina, Sebastjan, Planinc, Igor, Saje, Miran   +2 more
core   +1 more source

Hardening effects on formability limit prediction based on gurson-type damage models and bifurcation analysis [PDF]

, 2017
In this work, ductility limits of metallic materials, associated with the occurrence of strain localization, are predicted using the GTN damage model coupled with bifurcation theory.
Abed-Meraim, F., Chalal, H.
core   +2 more sources

Financial Burden Associated With Hospitalisation Among Families of Childhood Brain Tumours in Australia

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim, Natalie Bradford, David Brain, Sameera Senanayake, Sanjeewa Kularatna, Kate Young, Christine Cashion, Tim Hassall, Susanna Cramb   +8 more
wiley   +1 more source

Statistical method for quantifying the strain localization process in Beishan granite under multi-creep triaxial compression based on distributed optical fiber sensing

Journal of Rock Mechanics and Geotechnical Engineering
To investigate the damage evolution caused by stress-driven and sub-critical crack propagation within the Beishan granite under multi-creep triaxial compressive conditions, the distributed optical fiber sensing and X-ray computed tomography were combined
Xiujun Zhang, Peng-Zhi Pan, Shuting Miao
doaj   +1 more source

Some remarks on deformation, localization, and front propagation

Journal of the Mechanical Behavior of Materials, 2012
No abstract available.
Petsos George, Aifantis Elias C.
doaj   +1 more source