Pre-shear and compression phenomena of spherical and cubic particles during DEM simulation of ring shear test
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27350%2F25%3A10258607" target="_blank" >RIV/61989100:27350/25:10258607 - isvavai.cz</a>
Výsledek na webu
<a href="https://www.sciencedirect.com/science/article/pii/S1674200125002573" target="_blank" >https://www.sciencedirect.com/science/article/pii/S1674200125002573</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.partic.2025.09.016" target="_blank" >10.1016/j.partic.2025.09.016</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Pre-shear and compression phenomena of spherical and cubic particles during DEM simulation of ring shear test
Popis výsledku v původním jazyce
The sensitivity analysis investigates the effect of particles shape (made by sphere, multi-spheres or polyhedral) for various contact force models on the calibration procedure via ring shear test. Experimental shear tests were performed using a Schulze Ring Shear Tester RST-01 with spherical and cubic particles. Pre-shear stress and vertical lid position behaviour were observed using Hertz-Mindlin and Linear Spring contact models. The findings confirm the necessity to include not only the shear force but also the compress behaviour of the particles in the shear test calibration. The results clearly indicate that the position of the shear lid provides discrete element method users with an important overview of the fundamental deformation behaviour and particle displacement during the pre-shear process. The results reveal differences between particle and contact force models considering the changes due to increased shear velocity useable for different representation of real-life particulate materials. The research is intended to provide DEM modellers with general information on which parameters are affected by changing the input data for each contact force model and particle shape. These insights enhance calibration procedures in both industrial and academic settings serving as a foundation for not only time optimizing DEM models and improving their accuracy.
Název v anglickém jazyce
Pre-shear and compression phenomena of spherical and cubic particles during DEM simulation of ring shear test
Popis výsledku anglicky
The sensitivity analysis investigates the effect of particles shape (made by sphere, multi-spheres or polyhedral) for various contact force models on the calibration procedure via ring shear test. Experimental shear tests were performed using a Schulze Ring Shear Tester RST-01 with spherical and cubic particles. Pre-shear stress and vertical lid position behaviour were observed using Hertz-Mindlin and Linear Spring contact models. The findings confirm the necessity to include not only the shear force but also the compress behaviour of the particles in the shear test calibration. The results clearly indicate that the position of the shear lid provides discrete element method users with an important overview of the fundamental deformation behaviour and particle displacement during the pre-shear process. The results reveal differences between particle and contact force models considering the changes due to increased shear velocity useable for different representation of real-life particulate materials. The research is intended to provide DEM modellers with general information on which parameters are affected by changing the input data for each contact force model and particle shape. These insights enhance calibration procedures in both industrial and academic settings serving as a foundation for not only time optimizing DEM models and improving their accuracy.
Klasifikace
Druh
J<sub>imp</sub> - Článek v periodiku v databázi Web of Science
CEP obor
—
OECD FORD obor
20703 - Mining and mineral processing
Návaznosti výsledku
Projekt
<a href="/cs/project/EH22_008%2F0004631" target="_blank" >EH22_008/0004631: Materiály a technologie pro udržitelný rozvoj</a><br>
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach
Ostatní
Rok uplatnění
2025
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Particuology
ISSN
1674-2001
e-ISSN
2210-4291
Svazek periodika
107
Číslo periodika v rámci svazku
December 2025
Stát vydavatele periodika
US - Spojené státy americké
Počet stran výsledku
15
Strana od-do
35-49
Kód UT WoS článku
001598084200001
EID výsledku v databázi Scopus
2-s2.0-105019321637