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

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

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

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

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

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

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

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Maximum value smallholder farmers are willing to pay. by Mekonnen Sime (22190718)

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Demand for improved sorghum variety by sex (a), age (b), land size (c), and non-farm income (d). by Mekonnen Sime (22190718)

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Comparative analysis of WTP by district/region. by Mekonnen Sime (22190718)

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Generalized ordered probit estimation of WTP (n = 654). by Mekonnen Sime (22190718)

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Sample size and distribution by district. by Mekonnen Sime (22190718)

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Demand curve for improved sorghum seed by regional state. by Mekonnen Sime (22190718)

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Respondents’ distribution by WTP group (n = 657). by Mekonnen Sime (22190718)

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