Parameters used in the simulations. Tekijä Yongfeng Zhu (7361045)

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The CDF of normal and tangential contact forces in numerical specimens after compression considering different particle morphologies: (a) normal contact force; (b) tangential conta... Tekijä Yongfeng Zhu (7361045)

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Two ellipsoidal particles in contact. Tekijä Yongfeng Zhu (7361045)

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The normal force between two particles with different equivalent diameters for P3: (a) hertznormal contact force; (b) normal viscous contact force. Tekijä Yongfeng Zhu (7361045)

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Different ellipsoidal particles with De = 6.30 mm used in the discrete element simulations. Tekijä Yongfeng Zhu (7361045)

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Average contact force and percentage of strong contact force under different conditions: (a) different particle shapes, (b) different particle sizes. Tekijä Yongfeng Zhu (7361045)

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Stress concentration factor value in the numerical samples with different shapes and sizes. Tekijä Yongfeng Zhu (7361045)

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Comparative analysis of the proposed modified contact model against previous approaches. Tekijä Yongfeng Zhu (7361045)

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Fabric anisotropy evolution of numerical samples with different shapes and sizes. Tekijä Yongfeng Zhu (7361045)

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Deviatoric stress-strain curves of numerical samples composed of elongated ellipsoids with different particle morphologies and particle sizes. Tekijä Yongfeng Zhu (7361045)

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Numerical samples composed of elongated ellipsoids before and after triaxial compression. Tekijä Yongfeng Zhu (7361045)

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Different contact patterns for two ellipsoids. Tekijä Yongfeng Zhu (7361045)

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The normal force between two particles with De = 6.30 mm for different aspect ratios and sphericities: (a) hertz normal contact force; (b) normal viscous contact force. Tekijä Yongfeng Zhu (7361045)

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The force chain distributions of different numerical samples composed of elongated ellipsoids with different particle morphologies and particle sizes before shearing and after load... Tekijä Yongfeng Zhu (7361045)

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The tangential force between two particles with different aspect ratios and sphericities for De = 6.30 mm: (a) elastic tangential contact force; (b) viscous tangential contact forc... Tekijä Yongfeng Zhu (7361045)

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Critical state parameters obtained from DEM simulations. Tekijä Yongfeng Zhu (7361045)

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The tangential force between two particles with different equivalent diameters for P3: (a) elastic tangential contact force; (b) viscous tangential contact force. Tekijä Yongfeng Zhu (7361045)

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