journal article·2025-04

Investigating rotational characteristics and contact mechanisms of star-like shapes using multiellipse-based DEM

Yang Li, Haoran Jiang

Particuology· Volume 99
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OpenAlex topics: Planetary Science and Exploration · Astro and Planetary Science · Scientific Research and Discoveries

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References (50)

Show source-provided references
1. Dem study on the effect of particle shape on the shear behaviour of granular materials10.1007/s40571-023-00632-8 ↗
2. Systematic effect of particle roundness/angularity on macro-and microscopic behavior of granular materials10.1007/s10035-023-01341-y ↗
3. Experimental exploration of geometric cohesion and solid fraction in columns of highly non-convex platonic polypods10.1007/s10035-024-01490-8 ↗
4. Geometric cohesion in two-dimensional systems composed of star-shaped particles10.1103/PhysRevE.109.044908 ↗
5. Stress-strain behavior and geometrical properties of packings of elongated particles10.1103/PhysRevE.81.051304 ↗
6. Combined effects of contact friction and particle shape on strength properties and microstructure of sheared granular media10.1103/PhysRevE.102.022901 ↗
7. Particle shape distribution effects on the critical strength of granular materials10.1016/j.compgeo.2024.106896 ↗
8. A discrete numerical model for granular assemblies10.1680/geot.1979.29.1.47 ↗
9. Systematic investigation into the role of particle multi-level morphology in determining the shear behavior of granular materials via dem simulation10.1016/j.compgeo.2024.106298 ↗
10. Thirty years of developments in contact modelling of non-spherical particles in dem: A selective review10.1007/s10409-022-22343-x ↗
11. Geometric cohesion in granular materials10.1063/PT.3.1726 ↗
12. Entangled granular media10.1103/PhysRevLett.108.208001 ↗
13. The effect of particle shape on discharge and clogging10.1038/s41598-021-82744-w ↗
14. Analyzing the mechanical behavior of granular materials: A multi-morphological approach using spherical harmonics and ls-dem10.1016/j.powtec.2024.120078 ↗
15. Shape-induced clusters of ellipsoids during triaxial compression: A multiscale analysis using ls-dem10.1016/j.compgeo.2024.106235 ↗
16. Dynamic column collapse of dry granular materials with multi-scale shape characteristics10.1016/j.compgeo.2024.106873 ↗
17. Stress transmission in entangled granular structures10.1007/s10035-022-01252-4 ↗
18. Effects of particle angularity on the bulk-characteristics of granular assemblies under plane strain condition10.1016/j.compgeo.2023.105812 ↗
19. The combined effect of particle angularity and inter-particle friction on micro-and macroscopic properties of granular assemblies10.1016/j.compgeo.2024.106850 ↗
20. Exploring the micro-to-macro response of granular soils with real particle shapes by way of μct-aided dem analyses10.1680/jgeot.23.00162 ↗
21. DEM analysis on the stress wave response of spherical particle assemblies under triaxial compression10.1016/j.compgeo.2021.104043 ↗
22. Effect of particle morphology on stress and strain characteristics of granular materials during triaxial compression10.1007/s11440-023-02190-y ↗
23. Contact detection algorithms for three-dimensional ellipsoids in discrete element modelling10.1002/nag.1610190905 ↗
24. Universal structural characteristics of planar granular packs10.1103/PhysRevLett.112.098003 ↗
25. Fundamental structural characteristics of planar granular assemblies: Self-organization and scaling away friction and initial state
26. Quantitative evaluation of the effect of irregularly shaped particles in sheared granular assemblies10.1007/s10035-011-0263-6 ↗
27. On dense granular flows10.1140/epje/i2003-10153-0 ↗
28. Force distribution in a granular medium10.1103/PhysRevE.57.3164 ↗
29. Freestanding loadbearing structures with z-shaped particles10.1007/s10035-015-0600-2 ↗
30. Numerical simulations of granular soil using elliptical particles10.1016/0266-352X(94)90019-1 ↗
31. Effect of local non-convexity on the critical shear strength of granular materials determined via the discrete element method10.1016/j.partic.2019.12.008 ↗
32. Fabric evolution and strain localisation in inherently anisotropic specimens of anisometric particles (lentils) under triaxial compression10.1007/s10035-022-01305-8 ↗
33. Structure of jammed ellipse packings with a wide range of aspect ratios10.1039/D3SM00705G ↗
34. Numerical simulation of idealized granular assemblies with plane elliptical particles10.1016/0266-352X(91)90015-8 ↗
35. Rheology of granular materials composed of nonconvex particles10.1103/PhysRevE.84.041302 ↗
36. Stardem: Efficient discrete element method for star-shaped particles
37. A comparison of jamming behavior in systems composed of dimer-and ellipse-shaped particles10.1039/c001085e ↗
38. A robust algorithm for ellipse-based discrete element modelling of granular materials10.1016/0266-352X(92)90003-C ↗
39. Modelling real particle shape in dem: A comparison of two methods with application to railway ballast10.1016/j.ijrmms.2022.105221 ↗
40. Contact networks and force transmission in aggregates of hexapod-shaped particles10.1039/D3SM01762A ↗
41. Directional shear jamming of frictionless ellipses10.1103/PhysRevE.104.044614 ↗
42. Steady granular flow in a rotating drum: A theoretical nonlocal model for characterizing stress, velocity, and packing fraction profiles, encompassing grain shape effects from convex to highly concave10.1103/PhysRevResearch.6.043310 ↗
43. A novel discrete element method for smooth polyhedrons and its application to modeling flows of concave-shaped particles
44. A spherical-harmonic-based approach to discrete element modeling of 3d irregular particles10.1002/nme.6766 ↗
45. Random packings of spheres and spherocylinders simulated by mechanical contraction10.1103/PhysRevE.67.051301 ↗
46. Quantification of the contribution ratio of relevant input parameters on dem-based granular flow simulations10.1016/j.sandf.2023.101378 ↗
47. On the influence of inter-particle friction and dilatancy in granular materials: A numerical analysis10.1007/s10035-012-0348-x ↗
48. Traditional soil particle sphericity, roundness and surface roughness by computational geometry10.1680/geot.14.P.192 ↗
49. Distance of closest approach of two arbitrary hard ellipses in two dimensions10.1103/PhysRevE.75.061709 ↗
50. Particle shape transforms the driving of shear stress in granular materials10.1016/j.powtec.2023.118235 ↗