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Effects of barrier deformability on load reduction and energy dissipation of granular flow impact
, 2020Granular flows, such as debris flows, are commonly arrested by using deformable barriers, but their designs rely heavily on empiricism. The fundamental impact mechanisms between a granular flow and a deformable barrier have yet to be elucidated.
C. Ng +4 more
semanticscholar +1 more source
GPU-accelerated smoothed particle hydrodynamics modeling of granular flow
, 2020In this paper, the dynamical behavior of granular media is investigated numerically using smoothed particle hydrodynamics (SPH) with an elastoplastic and a phase-change constitutive model.
Jian-yu Chen +3 more
semanticscholar +1 more source
Numerical simulation of fast granular flow facing obstacles on steep terrains
, 2020The interaction between fast shallow granular flow and obstacles on steep terrain is an important aspect of granular mechanics and defending against geological hazards.
Su Yang +3 more
semanticscholar +1 more source
Three-dimensional modeling of granular flow impact on rigid and deformable structures
Computers and geotechnics, 2019A stabilized coupled total-Lagrangian and conventional Euler kernel based smoothed particle hydrodynamics (TL-CE SPH) method is presented to model three-dimensional granular flow-structure interaction with rigid and deformable structures.
L. Zhan +3 more
semanticscholar +1 more source
Powder Technology, 2019
Granular flow exists widely in the fields of natural environments and industrial production. Despite the fact that external driving forces are recognized to have a significant effect on the dynamic of granular systems, a large number of experimental ...
S. Ji, Siqiang Wang, Zheng Peng
semanticscholar +1 more source
Granular flow exists widely in the fields of natural environments and industrial production. Despite the fact that external driving forces are recognized to have a significant effect on the dynamic of granular systems, a large number of experimental ...
S. Ji, Siqiang Wang, Zheng Peng
semanticscholar +1 more source
Dilute Granular Flows in a Medium
Transport Theory and Statistical Physics, 2007Some aspects of the dissipative Boltzmann equation for granular matter diffusing in a background medium are investigated. Both collisions with field particles (supposed to be elastic) and inelastic collisions of the grains between themselves (with nonconstant restitution coefficient) are taken into account, leading to the simultaneous presence of two ...
BISI, Marzia, SPIGA, Giampiero
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Granularity based flow control
2014 Twelfth Annual International Conference on Privacy, Security and Trust, 2014Many models, methods, techniques, and systems have been developed to preserve the integrity of data and guarantee an acceptable level of security over networks. Protection from illegitimate data access and control of information flow are two main goals.
Omar Abahmane, Luigi Logrippo
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A hyperbolic model for granular flow
ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 2011AbstractWe present a model that describes the motion of some granular material sliding along a slope. During this movement, both erosion and deposition may take place, depending on the speed of the sliding material. Analytically, this model consists of a hyperbolic system of partial differential equations.
Cattani A., Colombo R. M., Guerra G.
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Kinetic Models for Granular Flow
Journal of Statistical Physics, 1999zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Brey, J. Javier +2 more
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Modeling Segregation in Granular Flows
Annual Review of Chemical and Biomolecular Engineering, 2019Accurate continuum models of flow and segregation of dense granular flows are now possible. This is the result of extensive comparisons, over the last several years, of computer simulations of increasing accuracy and scale, experiments, and continuum models, in a variety of flows and for a variety of mixtures.
Paul B, Umbanhowar +2 more
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