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Failure of confined granular media due to pullout of an intruder: from force networks to a system wide response
(Royal Society of Chemistry, 2020-07-17)
We investigate computationally the pullout of a spherical intruder initially buried at the bottom of a granular column. The intruder starts to move out of the granular bed once the pulling force reaches a critical value, ...
Deviation of continuum formulation for solid-solid momentum transfer rate in terms of spatial averaging in mixtures with large particle size ratios
(Elsevier, 2020-01-08)
In a fluidized bed system, mean trajectories of fuel particles within the bed of fluidized inert particles are governed by the associated drag forces and characterize hydrodynamic, chemical and thermal processes taken place ...
Thermal discrete element method for transient heat conduction in granular packing under compressive forces
(Elsevier, 2019-09-26)
A thermal discrete element method is introduced in granular packs. This method is applicable to 3D packing in either static or dynamic states coupled with the ordinary discrete element method code. This method resolves the ...
Numerical Treatment of Singularity in Hydraulic Circuits Using Singular Perturbation Theory
(IEEE, 2018-10-15)
Hydraulic cylinders and motors are commonly used in actuator systems of mobile machines and industrial applications. Hydraulic actuators have the ability to offer large amounts of energy density. To analyze the dynamic ...