Heterogeneous structures and morphological transitions of composite materials and its applications

X Zhang, L Zhou, X Cai, X Zheng, W Liu… - … Composites and Hybrid …, 2024‏ - Springer
Advanced materials with heterogeneous microstructures enable superior properties
unattainable in conventional materials. Challenges remain in predictive design, requiring …

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 …

Effect of different test methods on the disintegration behaviour of soft rock and the evolution model of disintegration breakage under cyclic wetting and drying

ZT Zhang, WH Gao - Engineering Geology, 2020‏ - Elsevier
Red-bed soft rock covers a large area in China and is often used as filling materials for
highway roadbed and embankment, while the disintegration of red-bed soft rock often …

Influence of particle shape on creep and stress relaxation behaviors of granular materials based on DEM

D Yang, X Chu - Computers and Geotechnics, 2024‏ - Elsevier
The creep and stress relaxation behaviors stem from time-dependent changes in the
microstructure of granular materials. As a non-negligible inherent granular material …

A systematic 3D simulation method for geomaterials with block inclusions from image recognition to fracturing modelling

Y Lin, ZY Yin, X Wang, L Huang - Theoretical and Applied Fracture …, 2022‏ - Elsevier
A systematic hybrid modelling approach for heterogeneous geomaterials with irregular block
inclusions is creatively developed based on a deep learning technique, computational …

Precision and computational costs of Level Set-Discrete Element Method (LS-DEM) with respect to DEM

J Duriez, S Bonelli - Computers and Geotechnics, 2021‏ - Elsevier
Abstract The Level Set-Discrete Element Method (LS-DEM) extends DEM towards arbitrary
grain shapes by storing distance-to-surface values on a grid for each Discrete Element (DE) …

Towards 3D Shape Estimation from 2D Particle Images: A State-of-the-Art Review and Demonstration

P Tripathi, SJ Lee, CH Lee, M Shin - KONA Powder and Particle …, 2024‏ - jstage.jst.go.jp
Particle shape plays a critical role in governing the properties and behavior of granular
materials. Despite advances in capturing and analyzing 3D particle shapes, these remain …

Development of a benchmark for drag correlations of nonspherical particles based on settling experiments of super-ellipsoidal particles

M Fan, D Su, L Yang - Powder Technology, 2022‏ - Elsevier
In this study, a series of single-size super-ellipsoidal particles with a wide variety of shapes
were generated and 3D printed. Two different drag coefficients (CD and C DA) were …

Deep-learning-enhanced model reconstruction of realistic 3D rock particles by intelligent video tracking of 2D random particle projections

X Wang, H Zhang, ZY Yin, D Su, Z Liu - Acta Geotechnica, 2023‏ - Springer
Rock assemblies, such as ballasts and cobbles, are typically composed of granular particles
of various sizes and shapes that significantly affect their mechanical behavior. Currently, it …

Resilient properties of soil-rock mixture materials: preliminary investigation of the effect of composition and structure

J Qian, Y Yao, J Li, H **ao, S Luo - Materials, 2020‏ - mdpi.com
The physical composition and stress state of soil-rock mixture (SRM) materials have a
crucial influence on their mechanical properties, and play a vital role in improving the …