Search Results - "Gonnella, G."

Large Fluctuations and Dynamic Phase Transition in a System of Self-Propelled Particles by Cagnetta, F, Corberi, F, Gonnella, G, Suma, A

“…We study the statistics, in stationary conditions, of the work W_{τ} done by the active force in different systems of self-propelled particles in a time τ. We…”
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Cascade or not cascade? Energy transfer and elastic effects in active nematics by Carenza, L. N., Biferale, L., Gonnella, G.

“…We numerically study the multi-scale properties of a 2d active gel to address the energy transfer mechanism. We find that activity is able to excite…”
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Motility-induced phase separation in an active dumbbell fluid by Suma, A., Gonnella, G., Marenduzzo, D., Orlandini, E.

“…We study a suspension of active dumbbells of variable density, as a minimal example of an active polar fluid. As in a fluid of spherical swimmers, we find that…”
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Cholesteric Shells: Two-Dimensional Blue Fog and Finite Quasicrystals by Carenza, L N, Gonnella, G, Marenduzzo, D, Negro, G, Orlandini, E

“…We study the phase behavior of a quasi-two-dimensional cholesteric liquid crystal shell. We characterize the topological phases arising close to the…”
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Hydrodynamic effects on the liquid-hexatic transition of active colloids by Negro, G., Caporusso, C. B., Digregorio, P., Gonnella, G., Lamura, A., Suma, A.

“…We study numerically the role of hydrodynamics in the liquid-hexatic transition of active colloids at intermediate activity, where motility induced phase…”
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Hydrodynamics of contraction-based motility in a compressible active fluid by Negro, G., Lamura, A., Gonnella, G., Marenduzzo, D.

“…Cell motility is crucial to biological functions ranging from wound healing to immune response. The physics of cell crawling on a substrate is by now well…”
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Lamellar ordering, droplet formation and phase inversion in exotic active emulsions by Bonelli, F., Carenza, L. N., Gonnella, G., Marenduzzo, D., Orlandini, E., Tiribocchi, A.

“…We study numerically the behaviour of a two-dimensional mixture of a passive isotropic fluid and an active polar gel, in the presence of a surfactant favouring…”
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Stochastic Model of Supercoiling-Dependent Transcription by Brackley, C A, Johnson, J, Bentivoglio, A, Corless, S, Gilbert, N, Gonnella, G, Marenduzzo, D

“…We propose a stochastic model for gene transcription coupled to DNA supercoiling, where we incorporate the experimental observation that polymerases create…”
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Activity-induced isotropic-polar transition in active liquid crystals by Giordano, M. G., Bonelli, F., Carenza, L. N., Gonnella, G., Negro, G.

“…Abstract Active fluids are intrinsically out-of-equilibrium systems due to the internal energy injection of the active constituents. We show here that a…”
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Soft channel formation and symmetry breaking in exotic active emulsions by Carenza, L. N., Gonnella, G., Lamura, A., Marenduzzo, D., Negro, G., Tiribocchi, A.

“…We use computer simulations to study the morphology and rheological properties of a bidimensional emulsion resulting from a mixture of a passive isotropic…”
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Lattice Boltzmann study of chemically-driven self-propelled droplets by Fadda, F., Gonnella, G., Lamura, A., Tiribocchi, A.

“… We numerically study the behavior of self-propelled liquid droplets whose motion is triggered by a Marangoni-like flow. This latter is generated by…”
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Bistable defect structures in blue phase devices by Tiribocchi, A, Gonnella, G, Marenduzzo, D, Orlandini, E, Salvadore, F

“…Blue phases are liquid crystals made up by networks of defects, or disclination lines. While existing phase diagrams show a striking variety of competing…”
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Finite-difference lattice Boltzmann model with flux limiters for liquid-vapor systems by Sofonea, V, Lamura, A, Gonnella, G, Cristea, A

“…In this paper we apply a finite difference lattice Boltzmann model to study the phase separation in a two-dimensional liquid-vapor system. Spurious numerical…”
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Thermal and hydrodynamic effects in the ordering of lamellar fluids by Gonnella, G., Lamura, A., Tiribocchi, A.

“…Phase separation in a complex fluid with lamellar order has been studied in the case of cold thermal fronts propagating diffusively from external walls. The…”
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Switching and defect dynamics in multistable liquid crystal devices by Tiribocchi, A., Gonnella, G., Marenduzzo, D., Orlandini, E.

“…We investigate the switching dynamics of multistable nematic liquid crystal devices. In particular, we identify a remarkably simple two-dimensional device…”
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Shearing self-propelled suspensions: arrest of coarsening and suppression of giant density fluctuations by Saracco, G P, Gonnella, G, Marenduzzo, D, Orlandini, E

“…We study the effect of a linear shear flow on a collection of interacting active, self-propelled particles modeled via the Vicsek model. The imposed flow has a…”
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Phase-separating binary fluids under oscillatory shear by Xu, Aiguo, Gonnella, G, Lamura, A

“…We apply the lattice Boltzmann methods to study the segregation of binary fluid mixtures under oscillatory shear flow in two dimensions. The algorithm allows…”
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Phase separation of incompressible binary fluids with lattice Boltzmann methods by Xu, Aiguo, Gonnella, G., Lamura, A.

“…We introduce new versions of lattice Boltzmann methods (LBM) for incompressible binary mixtures where fluctuations of total density are inhibited. As a test…”
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Simulations of complex fluids by mixed lattice Boltzmann—finite difference methods by Xu, Aiguo, Gonnella, G., Lamura, A.

“…We present the numerical results of simulations of complex fluids under shear flow. We employ a mixed approach which combines the lattice Boltzmann method for…”
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Two-Scale Competition in Phase Separation with Shear by Corberi, F., Gonnella, G., Lamura, A.

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