Results 61 to 70 of about 5,934,268 (299)

DEM analysis of the effect of particle shape, cohesion and strain rate on powder rheometry

open access: yesPowder Technology, 2019
Discrete Element Method (DEM) is used to simulate the flow of particles addressing the influence of shear strain rate, particle shape and cohesion on the flow characteristics.
V. Vivacqua   +3 more
semanticscholar   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Improved Metaball Discrete Element Method with Robust Contact Algorithm for General-Shaped Particles with Rounded Features

open access: yesApplied Sciences
Particle shape is a critical factor governing the macroscopic behavior of granular materials. While the Discrete Element Method (DEM) has proven to be a powerful tool for modeling these materials, the accurate representation of particles with realistic ...
Pei Zhang   +5 more
doaj   +1 more source

Particle Shape Effect on Macroscopic Behaviour of Underground Structures: Numerical and Experimental Study

open access: yesStudia Geotechnica et Mechanica, 2015
The mechanical performance of underground flexible structures such as buried pipes or culverts made of plastics depend not only on the properties of the structure, but also on the material surrounding it.
Szarf Krzysztof   +2 more
doaj   +1 more source

Molecular Dynamics Simulation of Zener Pinning by Differently Shaped and Oriented Particles

open access: yesFrontiers in Materials, 2021
Zener pinning between a curved Cu grain boundary (GB) and a differently shaped and oriented Ag particle has been simulated via molecular dynamics. The computed magnitudes of the maximum pinning force agreed with theoretical predictions only when the ...
Yi Li   +3 more
doaj   +1 more source

Numerical and experimental studies of the effect of iron ore particle shape on repose angle and porosity of a heap

open access: yesPowder Technology, 2019
Spherical (pellet), cylindrical and conical iron ore particles were produced to study the effect of particle shape on repose angle and bottom porosity distribution of a heap formed by natural piling. The effects of coefficient of static friction, rolling
Han Wei   +5 more
semanticscholar   +1 more source

Transforming Mesoscale Granular Plasticity Through Particle Shape [PDF]

open access: yesPhysical Review X, 2018
When an amorphous material is strained beyond the point of yielding it enters a state of continual reconfiguration via dissipative, avalanche-like slip events that relieve built-up local stress.
K. Murphy, K. Dahmen, H. Jaeger
semanticscholar   +1 more source

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

Shape matters: Competing mechanisms of particle shape segregation

open access: yesPhysical Review E, 2022
It is well-known that granular mixtures that differ in size or shape segregate when sheared. In the past, two mechanisms have been proposed to describe this effect, and it is unclear if both exist. To settle this question, we consider a bidisperse mixture of spheroids of equal volume in a rotating drum, where the two mechanisms are predicted to act in ...
D. Hernández-Delfin   +4 more
openaire   +5 more sources

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