Impact of particle elongation on the behavior of round and angular granular media: Consequences of particle rotation and force chain development

U Ali, M Kikumoto, M Ciantia - Computers and Geotechnics, 2024 - Elsevier
We developed a 2D discrete element model to simulate shearing response of elongated
round and angular particles. Model was calibrated and validated by comparing numerical …

Experimental micro-macromechanics: critical states of round/angular granular mixtures

U Ali, M Kikumoto - Journal of Geotechnical and Geoenvironmental …, 2024 - ascelibrary.org
This paper comprehensively investigates the influence of mixing angular particles on
macroscopic shear strength and microscopic particle motion in granular mixtures. Circular …

[HTML][HTML] Role of particle shape in sheared granular media: roundness and elongation

U Ali, M Kikumoto - Powder Technology, 2025 - Elsevier
Particle shape is an intrinsic characteristic of soil particles that significantly influences
mechanical responses. In this investigation, a meticulously calibrated and validated two …