Julio M Ottino
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Explore the profile of Julio M Ottino including associated specialties, affiliations and a list of published articles.
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49
Citations
194
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Recent Articles
1.
Wang M, Ottino J, Lueptow R, Umbanhowar P
Phys Rev E
. 2024 Oct;
110(3-2):039902.
PMID: 39425444
This corrects the article DOI: 10.1103/PhysRevE.104.064203.
2.
Gao S, Ottino J, Umbanhowar P, Lueptow R
Phys Rev E
. 2023 Feb;
107(1-1):014903.
PMID: 36797949
We study the percolation of a fine spherical particle under gravity in static randomly packed large-particle beds with different packing densities ϕ and large to fine particle size ratios R...
3.
Yu M, Ottino J, Lueptow R, Umbanhowar P
Phys Rev E
. 2022 Sep;
106(2-1):024902.
PMID: 36109991
Flow of size-bidisperse particle mixtures in a spherical tumbler rotating alternately about two perpendicular axes produces segregation patterns that track the location of nonmixing islands predicted by a dynamical systems...
4.
Wang M, Ottino J, Lueptow R, Umbanhowar P
Phys Rev E
. 2022 Jan;
104(6-1):064203.
PMID: 35030951
To better understand and optimize the capture of passive scalars (particles, pollutants, greenhouse gases, etc.) in complex geophysical flows, we study capture in the simpler, but still chaotic, time-dependent double-gyre...
5.
Lynn T, Ottino J, Umbanhowar P, Lueptow R
Phys Rev E
. 2020 Feb;
101(1-1):012204.
PMID: 32069545
Mixing by cutting and shuffling can be mathematically described by the dynamics of piecewise isometries (PWIs), higher dimensional analogs of one-dimensional interval exchange transformations. In a two-dimensional domain under a...
6.
Dwivedi V, Ottino J, Lueptow R, Umbanhowar P
Phys Rev E
. 2019 Dec;
100(5-1):052902.
PMID: 31869991
Size-driven particle segregation can occur when an object such as a blade moves through an otherwise static bed of granular material. Here we use discrete element method (DEM) simulations to...
7.
Yu M, Umbanhowar P, Ottino J, Lueptow R
Phys Rev E
. 2019 Jul;
99(6-1):062905.
PMID: 31330669
Segregation patterns of size-bidisperse particle mixtures in a fully three-dimensional flow produced by alternately rotating a spherical tumbler about two perpendicular axes are studied over a range of particle sizes...
8.
Lynn T, Smith L, Ottino J, Umbanhowar P, Lueptow R
Phys Rev E
. 2019 Apr;
99(3-1):032204.
PMID: 30999529
We examine the dynamics of cutting-and-shuffling a hemispherical shell driven by alternate rotation about two horizontal axes using the framework of piecewise isometry (PWI) theory. Previous restrictions on how the...
9.
Umbanhowar P, Lueptow R, Ottino J
Annu Rev Chem Biomol Eng
. 2019 Mar;
10:129-153.
PMID: 30883215
Accurate 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...
10.
Zaman Z, Yu M, Park P, Ottino J, Lueptow R, Umbanhowar P
Nat Commun
. 2018 Aug;
9(1):3122.
PMID: 30087341
Mixing of fluids and mixing of solids are both relatively mature fields. In contrast, mixing in systems where flowing and non-flowing regions coexist remains largely unexplored and little understood. Here...