Spam: software for practical analysis of materials

O Stamati, E Andò, E Roubin… - Journal of Open …, 2020 - hal.univ-grenoble-alpes.fr
Spam, the Software for the Practical Analysis of Materials is a Python library that has evolved
to cover needs of data analysis from 3D x-ray tomography work and correlated random fields …

Micro-mechanical analysis of soil–structure interface behavior under constant normal stiffness condition with DEM

P Wang, ZY Yin, WH Zhou, W Chen - Acta Geotechnica, 2021 - Springer
The mechanical behavior at soil–structure interface (SSI) has a crucial influence on the
safety and stability of geotechnical structures. However, the behavior of SSI under constant …

Single-particle crushing behaviour of carbonate sands studied by X-ray microtomography and a combined finite–discrete element method

B Zhou, Q Ku, C Li, H Wang, Y Dong, Z Cheng - Acta Geotechnica, 2022 - Springer
This paper investigates the particle breakage behaviour of a carbonate sand based on
single-particle compression experiments with in situ X-ray microtomography scanning (μCT) …

A self-adaptive gradient-based particle swarm optimization algorithm with dynamic population topology

D Zhang, G Ma, Z Deng, Q Wang, G Zhang… - Applied Soft Computing, 2022 - Elsevier
The aggregation of individuals facilitates local information exchange, and the migration of
individuals from one population to another leads to a dynamic community structure. In …

DEM analysis of small and small-to-medium strain shear modulus of sands

NSC Reddy, H He, K Senetakis - Computers and Geotechnics, 2022 - Elsevier
Despite the significant progresses in discrete-based numerical studies of granular materials,
most efforts have been placed in the study of large deformation problems and there are …

Evolution of fabric anisotropy of granular soils: X-ray tomography measurements and theoretical modelling

CF Zhao, G Pinzón, M Wiebicke, E Andò… - Computers and …, 2021 - Elsevier
Fabric anisotropy is a key component to understand the behaviour of granular soils. In
general, experimental data on fabric anisotropy for real granular soils are very limited …

[PDF][PDF] Recent developments in laboratory testing of geomaterials with emphasis on imaging

G Viggiani, A Tengattini - Proceedings of the XVII ECSMGE-2019, 2019 - academia.edu
This paper presents a review of some recent technical developments and scientific
accomplishments in laboratory experimental testing of geomaterials–with a special focus on …

Probing fabric evolution and reliquefaction resistance of sands using discrete-element modeling

S Yang, D Huang, G Wang, F ** - Journal of Engineering …, 2022 - ascelibrary.org
Recent case histories have demonstrated that soil liquefaction can occur repeatedly at a site
during a sequence of earthquake events. Field observations and laboratory tests imply that …

3D image scanning of gravel soil using in-situ X-ray computed tomography

S Matsumura, A Kondo, K Nakamura, T Mizutani… - Scientific Reports, 2023 - nature.com
A typical ground investigation for characterizing geotechnical properties of soil requires
sampling soils to test in a laboratory. Laboratory X-ray computed tomography (CT) has been …

[HTML][HTML] A continuum–discrete multiscale methodology using machine learning for thermal analysis of granular media

RL Rangel, JM Gimenez, E Oñate, A Franci - Computers and Geotechnics, 2024 - Elsevier
This work presents a data-driven continuum–discrete multiscale methodology to simulate
heat transfer through granular materials. The two scales are hierarchically coupled, where …