Reconstruction of irregular elongated/flattened particles and generation of particle aggregates with customizable form distributions

M Fan, D Su, D Wu, X Chen - Powder Technology, 2023 - Elsevier
In this study, we introduced a new method to address the limitations of the traditional
spherical harmonic (SH) analysis when reconstructing the morphology of …

A random algorithm for 3D modeling of solid particles considering elongation, flatness, sphericity, and convexity

S Han, C Wang, X Liu, B Li, R Gao, S Li - Computational Particle …, 2023 - Springer
Generating particles with specific shape characteristics is regarded as a critical issue in the
research of granular materials. Improving the particle generation method to consider more …

A modified method for morphology quantification and generation of 2D granular particles

J Chen, R Li, PQ Mo, G Zhou, S Cai, D Chen - Granular Matter, 2022 - Springer
The morphologies of individual particles vary greatly, which intimately affect the physical and
mechanical properties of granular assemblies. In this paper, a modified morphology …

A simple method for particle shape generation with spherical harmonics

D Wei, J Wang, B Zhao - Powder Technology, 2018 - Elsevier
The increasing interest in particle shape influence on granular mechanics necessitates a
fast and robust particle shape generation method. We describe a new approach based on …

Probabilistic characterization and simulation of realistic particle shape based on sphere harmonic representation and Nataf transformation

JY Nie, DQ Li, ZJ Cao, B Zhou, AJ Zhang - Powder Technology, 2020 - Elsevier
Significant commitment of cost, man power, and time are often required for characterizing
particle morphology of granular materials based on X-ray micro-computed tomography …

A particle shape extraction and evaluation method using a deep convolutional neural network and digital image processing

Z Liang, Z Nie, A An, J Gong, X Wang - Powder Technology, 2019 - Elsevier
Acquiring particle shapes from raw particle images with complex backgrounds is a
prerequisite for particle shape evaluation, yet it is a challenging task. In this study, a …

Random generation of 2D geometry-controlled particles via the epicycle series

Z Liang, X Wang, J Gong, Z Nie - Granular Matter, 2020 - Springer
The discrete element method (DEM) represents a classical and popular research approach
to exploring the particle shape effects of granular materials. For many modellers, the …

[HTML][HTML] SHape Analyser for Particle Engineering (SHAPE): Seamless characterisation and simplification of particle morphology from imaging data

V Angelidakis, S Nadimi, S Utili - Computer Physics Communications, 2021 - Elsevier
The mechanical and rheological behaviour of particulate and granular assemblies is
significantly influenced by the shape of their individual particles. We present a code that …

3D characterization of general-shape sand particles using microfocus X-ray computed tomography and spherical harmonic functions, and particle regeneration using …

D Su, WM Yan - Powder Technology, 2018 - Elsevier
The morphological features of sand particles play a key role in the mechanical response of
the particle assemblage. Advancement of microfocus X-ray computed tomography (μXCT) …

Algorithm for virtual aggregates' reconstitution based on image processing and discrete-element modeling

D Wang, X Ding, T Ma, W Zhang, D Zhang - Applied Sciences, 2018 - mdpi.com
Based on the Aggregate Imaging Measurement System (AIMS) and the Particle Flow Code
in Two Dimensions (PFC2D), an algorithm for modeling two-dimensional virtual aggregates …