Search Results - "Bell, John B"

Fluctuation-enhanced electric conductivity in electrolyte solutions by Péraud, Jean-Philippe, Nonaka, Andrew J., Bell, John B., Donev, Aleksandar, Garcia, Alejandro L.

“…We analyze the effects of an externally applied electric field on thermal fluctuations for a binary electrolyte fluid. We show that the fluctuating…”
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High-resolution simulation and characterization of density-driven flow in CO2 storage in saline aquifers by Pau, George S.H, Bell, John B, Pruess, Karsten, Almgren, Ann S, Lijewski, Michael J, Zhang, Keni

“…Simulations are routinely used to study the process of carbon dioxide (CO2) sequestration in saline aquifers. In this paper, we describe the modeling and…”
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MFIX-Exa: A path toward exascale CFD-DEM simulations by Musser, Jordan, Almgren, Ann S, Fullmer, William D, Antepara, Oscar, Bell, John B, Blaschke, Johannes, Gott, Kevin, Myers, Andrew, Porcu, Roberto, Rangarajan, Deepak, Rosso, Michele, Zhang, Weiqun, Syamlal, Madhava

“…MFIX-Exa is a computational fluid dynamics–discrete element model (CFD-DEM) code designed to run efficiently on current and next-generation supercomputing…”
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Diffusive transport by thermal velocity fluctuations by Donev, Aleksandar, Bell, John B, de la Fuente, Anton, Garcia, Alejandro L

“…We study the contribution of advection by thermal velocity fluctuations to the effective diffusion coefficient in a mixture of two identical fluids. We find…”
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Numerical methods for the stochastic Landau-Lifshitz Navier-Stokes equations by Bell, John B, Garcia, Alejandro L, Williams, Sarah A

“…The Landau-Lifshitz Navier-Stokes (LLNS) equations incorporate thermal fluctuations into macroscopic hydrodynamics by using stochastic fluxes. This paper…”
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Numerical simulation of Lewis number effects on lean premixed turbulent flames by Bell, John B., Cheng, Robert K., Day, Marcus S., Shepherd, Ian G.

“…A dominant factor in determining the burning rate of a premixed turbulent flame is the degree to which the flame front is wrinkled by turbulence. Higher…”
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Numerical simulation of a laboratory-scale turbulent slot flame by Bell, John B., Day, Marcus S., Grcar, Joseph F., Lijewski, Michael J., Driscoll, James F., Filatyev, Sergei A.

“…We present three-dimensional, time-dependent simulations of the flowfield of a laboratory-scale slot burner. The simulations are performed using an adaptive…”
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Identification of a classical bipartite nuclear localization signal in the Drosophila TEA/ATTS protein scalloped by Magico, Adam C, Bell, John B

“…Drosophila melanogaster wing development has been shown to rely on the activity of a complex of two proteins, Scalloped (Sd) and Vestigial (Vg). Within this…”
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Fluctuating hydrodynamics and the Rayleigh-Plateau instability by Barker, Bryn, Bell, John B, Garcia, Alejandro L

“…The Rayleigh-Plateau instability occurs when surface tension makes a fluid column become unstable to small perturbations. At nanometer scales, thermal…”
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A coupled discontinuous Galerkin-Finite Volume framework for solving gas dynamics over embedded geometries by Gulizzi, Vincenzo, Almgren, Ann S., Bell, John B.

“…We present a computational framework for solving the equations of inviscid gas dynamics using structured grids with embedded geometries. The novelty of the…”
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A Conservative Adaptive Projection Method for the Variable Density Incompressible Navier–Stokes Equations by Almgren, Ann S., Bell, John B., Colella, Phillip, Howell, Louis H., Welcome, Michael L.

“…In this paper we present a method for solving the equations governing time-dependent, variable density incompressible flow in two or three dimensions on an…”
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Adaptive Mesh and Algorithm Refinement Using Direct Simulation Monte Carlo by Garcia, Alejandro L, Bell, John B, Crutchfield, William Y, Alder, Berni J

“…Adaptive mesh and algorithm refinement (AMAR) embeds a particle method within a continuum method at the finest level of an adaptive mesh refinement (AMR)…”
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Nyx: A MASSIVELY PARALLEL AMR CODE FOR COMPUTATIONAL COSMOLOGY by Almgren, Ann S, Bell, John B, LUEWSKI, MIKE J, LUKIC, ZARIJA, Van Andel, Ethan

“…We present a new N-body and gas dynamics code, called Nyx, for large-scale cosmological simulations. Nyx follows the temporal evolution of a system of discrete…”
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Modeling multiphase flow using fluctuating hydrodynamics by Chaudhri, Anuj, Bell, John B, Garcia, Alejandro L, Donev, Aleksandar

“…Fluctuating hydrodynamics provides a model for fluids at mesoscopic scales where thermal fluctuations can have a significant impact on the behavior of the…”
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A High-Order Projection Method for Tracking Fluid Interfaces in Variable Density Incompressible Flows by Puckett, Elbridge Gerry, Almgren, Ann S., Bell, John B., Marcus, Daniel L., Rider, William J.

“…We present a numerical method for computing solutions of the incompressible Euler or Navier–Stokes equations when a principal feature of the flow is the…”
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A parallel second-order adaptive mesh algorithm for incompressible flow in porous media by Pau, George S. H., Almgren, Ann S., Bell, John B., Lijewski, Michael J.

“…In this paper, we present a second-order accurate adaptive algorithm for solving multi-phase, incompressible flow in porous media. We assume a multi-phase form…”
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Direct numerical simulation of a spatially developing n-dodecane jet flame under Spray A thermochemical conditions: Flame structure and stabilisation mechanism by Dalakoti, Deepak K., Savard, Bruno, Hawkes, Evatt R., Wehrfritz, Armin, Wang, Haiou, Day, Marc S., Bell, John B.

“…We present results from a three-dimensional (3D) direct numerical simulation (DNS) of a spatially developing n-dodecane round jet flame. The thermochemical…”
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A fourth-order adaptive mesh refinement algorithm for the multicomponent, reacting compressible Navier-Stokes equations by Emmett, Matthew, Motheau, Emmanuel, Zhang, Weiqun, Minion, Michael, Bell, John B.

“…In this paper, we present a fourth-order in space and time block-structured adaptive mesh refinement algorithm for the compressible multicomponent reacting…”
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A hybrid adaptive low-Mach number/compressible method: Euler equations by Motheau, Emmanuel, Duarte, Max, Almgren, Ann, Bell, John B.

“…Flows in which the primary features of interest do not rely on high-frequency acoustic effects, but in which long-wavelength acoustics play a nontrivial role,…”
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A conservative, thermodynamically consistent numerical approach for low Mach number combustion. Part I: Single-level integration by Nonaka, Andrew, Day, Marcus S., Bell, John B.

“…We present a numerical approach for low Mach number combustion that conserves both mass and energy while remaining on the equation of state to a desired…”
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