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pro vyhledávání: '"Usabiaga, F. Balboa"'
Autor:
Usabiaga, F. Balboa, Ellero, M.
Publikováno v:
Physics of Fluids 36, 053321 (2024)
Star colloids are rigid particles with long and slender arms connected to a central core. We show numerically that the colloid shapes control the rheology of their suspensions. In particular, colloids with curved arms and hooks can entangle with neig
Externí odkaz:
http://arxiv.org/abs/2311.14166
Single flagellated bacteria are ubiquitous in nature. They exhibit various swimming modes using their flagella to explore complex surroundings such as soil and porous polymer networks. Some single-flagellated bacteria swim with two distinct modes, on
Externí odkaz:
http://arxiv.org/abs/2307.04243
Publikováno v:
Journal of Computational Physics, Vol. 510, p. 113081 (2024)
Flagellated microswimmers are ubiquitous in natural habitats. Understanding the hydrodynamic behavior of these cells is of paramount interest, owing to their applications in bio-medical engineering and disease spreading. Since the last two decades, c
Externí odkaz:
http://arxiv.org/abs/2302.05121
Akademický článek
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Akademický článek
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Autor:
Peláez, R. P., Usabiaga, F. Balboa, Panzuela, S., Xiao, Q., Delgado-Buscalioni, R., Donev, A.
We study diffusion of colloids on a fluid-fluid interface using particle simulations and fluctuating hydrodynamics. Diffusion on a two-dimensional interface with three-dimensional hydrodynamics is known to be anomalous, with the collective diffusion
Externí odkaz:
http://arxiv.org/abs/1802.07356
We introduce methods for large scale Brownian Dynamics (BD) simulation of many rigid particles of arbitrary shape suspended in a fluctuating fluid. Our method adds Brownian motion to the rigid multiblob method at a cost comparable to the cost of dete
Externí odkaz:
http://arxiv.org/abs/1709.02410
We present a new method for sampling stochastic displacements in Brownian Dynamics (BD) simulations of colloidal scale particles. The method relies on a new formulation for Ewald summation of the Rotne-Prager-Yamakawa (RPY) tensor, which guarantees t
Externí odkaz:
http://arxiv.org/abs/1611.09322
Autor:
Usabiaga, F. Balboa, Kallemov, B., Delmotte, B., Bhalla, A. Pal Singh, Griffith, B. E., Donev, A.
Publikováno v:
Commun. Appl. Math. Comput. Sci. 11 (2016) 217-296
We develop a rigid multiblob method for numerically solving the mobility problem for suspensions of passive and active rigid particles of complex shape in Stokes flow in unconfined, partially confined, and fully confined geometries. As in a number of
Externí odkaz:
http://arxiv.org/abs/1602.02170
Publikováno v:
J. Chem. Phys., 140, 134110, 2014
We develop a Fluctuating Immersed Boundary (FIB) method for performing Brownian dynamics simulations of confined particle suspensions. Unlike traditional methods which employ analytical Green's functions for Stokes flow in the confined geometry, the
Externí odkaz:
http://arxiv.org/abs/1401.4198