WebAug 21, 2024 · Based on discrete element method simulations, we propose a new form of the constitutive equation for granular flows independent of packing fraction. Rescaling the stress ratio μ by a power of dimensionless temperature Θ makes the data from a wide set of flow geometries collapse to a master curve depending only on the inertial number I. WebJun 5, 2009 · Using x-ray radiography, we track a broad variety of granular flow profiles and quantify their intrinsic dilatancy behavior. These measurements frame Reynolds dilatancy as a kinematic process. Closer inspection demonstrates, however, the practical importance of flow induced compaction which competes with dilatancy, leading more …
The effect of particle shape on discharge and clogging
WebJul 20, 2024 · We propose a process-based method for constructing a pore network model of granular packings under large deformations. The method uses the radical Voronoi tessellation and constructive solid geometry operations on meshes of deformed particles, to construct a three-dimensional solid of the pore network and estimate its geometric … WebGranular bulldozing Simulation of granular material on a conveyor belt piling up against a side wall. Arching effects produces a complex frictional response in the compaction … does dodge still make the nitro
Examination of the microscopic definition for granular fluidity
WebAug 20, 2024 · The researchers found that the relationship holds for different channel geometries, flow speeds, packing densities, and … WebAnalogously, the “granular fluidity” g may be introduced and defined as , relating the shear flow rate to what drives the flow, which for a granular material is μ. Recent work ( 21 ), using 2D discrete-element method … WebJul 20, 2024 · We propose a process-based method for constructing a pore network model of granular packings under large deformations. The method uses the radical Voronoi … does dodge make a convertible challenger