Search Results - "Brackbill, J U"

On the Theory and Computation of Surface Tension: The Elimination of Parasitic Currents through Energy Conservation in the Second-Gradient Method by Jamet, Didier, Torres, David, Brackbill, J.U.

“…Errors in the computation of fluid flows with surface tension are examined. These errors cause large parasitic flows when the capillary number is large and…”
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The material-point method for granular materials by Bardenhagen, S.G., Brackbill, J.U., Sulsky, D.

“…A model for granular materials is presented that describes both the internal deformation of each granule and the interactions between grains. The model, which…”
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Structure of the magnetotail current: Kinetic simulation and comparison with satellite observations by Ricci, Paolo, Lapenta, Giovanni, Brackbill, J. U.

“…The results of a three‐dimensional kinetic simulation of a Harris current sheet are used to show and reproduce the ISEE‐1/2, Geotail, and Cluster observations…”
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The Point-Set Method: Front-Tracking without Connectivity by Torres, D.J., Brackbill, J.U.

“…We describe a point-set method for extracting the normal, curvature, and surface area from unordered data points residing on a surface. This capability relaxes…”
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Particle methods by Brackbill, J. U.

“…Three, very different particle methods, PIC, SPH and vortex‐blob methods, are compared. Results on consistency and stability are collected. A PIC instability,…”
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A kinetic theory for the drift-kink instability by Lapenta, Giovanni, Brackbill, J. U.

“…We have developed a linear two‐dimensional kinetic theory, which is motivated by recent results for the drift‐kink instability. The theory predicts plasma…”
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A Simplified Implicit Maxwell Solver by Ricci, Paolo, Lapenta, Giovanni, Brackbill, J.U.

“…We apply the second-order formulation of Maxwell's equations proposed by Jiang et al. (1996, J. Comput. Phys. 125, 104) to the solution of the implicit…”
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GEM reconnection challenge: Implicit kinetic simulations with the physical mass ratio by Ricci, Paolo, Lapenta, Giovanni, Brackbill, J. U.

“…We extend kinetic simulations of the Geospace Environment Modeling (GEM) magnetic reconnection challenge [Birn et al., J. Geophys. Res., 106, 3715, 2001] to a…”
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An Implicit Particle-in-Cell Method for Granular Materials by Cummins, S.J., Brackbill, J.U.

“…An implicit-in-time method for granular materials is described. The method combines the material point method, a first-order contact algorithm, and a…”
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On energy and momentum conservation in particle-in-cell plasma simulation by Brackbill, J.U.

“…Particle-in-cell (PIC) plasma simulations are a productive and valued tool for the study of nonlinear plasma phenomena, yet there are basic questions about the…”
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Transient magnetic reconnection and unstable shear layers by Brackbill, J U, Knoll, D A

“…We study three-dimensional magnetic reconnection caused by the Kelvin-Helmholtz (KH) instability and differential rotation in subsonic and sub-Alfvenic flows…”
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Introduction to Harlow's scientific memoir by Brackbill, J.U.

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Boundary conditions for Maxwell solvers by Brackbill, J.U.

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3D reconnection due to oblique modes: a simulation of Harris current sheets by Lapenta, G., Brackbill, J. U.

“…Simulations in three dimensions of a Harris current sheet with mass ratio, mi/me = 180, and current sheet thickness, pi/L = 0.5, suggest the existence of a…”
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A Multilevel Iterative Field Solver for Implicit, Kinetic, Plasma Simulation by Knoll, D.A, Lapenta, G, Brackbill, J.U

“…The equation for electrostatic potential which arises from the implicit moment method in plasma simulation is a nonsymmetric elliptic equation. We present…”
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Particle-in-cell simulation of glow discharges in complex geometries by Lapenta, G., Iinoya, F., Brackbill, J.U.

“…We present a general numerical framework for modeling plasma processing devices. Based on the particle-in-cell method, in which any material can be represented…”
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Immersed boundary method for plasma simulation in complex geometries by Lapenta, G., Brackbill, J.U.

“…The immersed boundary method is a powerful tool for plasma simulation in complex geometries. A brief description of the method is provided and results from a…”
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Accurate Numerical Solution of Charged Particle Motion in a Magnetic Field by Vu, H.X., Brackbill, J.U.

“…The Boris (1970) algorithm is here compared with an alternative algorithm for the particle equations of motion that yields the correct drift motion whenever…”
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Simulation of plasma shielding of dust particles in anisotropic plasmas by Lapenta, Giovanni, Brackbill, J U

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Magnetic-Field-Induced Surface Transport on Laser-Irradiated Foils by Forslund, D. W., Brackbill, J. U.

“…Electrons heated by absorption of laser energy are shown to generate intense magnetic fields which rapidly spread from the edge of the laser spot along the…”
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