Search Results - "Barnes, C. D."

An energy- and charge-conserving, implicit, electrostatic particle-in-cell algorithm by Chen, G., Chacón, L., Barnes, D.C.

“…This paper discusses a novel fully implicit formulation for a one-dimensional electrostatic particle-in-cell (PIC) plasma simulation approach. Unlike earlier…”
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A charge- and energy-conserving implicit, electrostatic particle-in-cell algorithm on mapped computational meshes by Chacón, L., Chen, G., Barnes, D.C.

“…We describe the extension of the recent charge- and energy-conserving one-dimensional electrostatic particle-in-cell algorithm in Ref. [G. Chen, L. Chacón,…”
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An efficient mixed-precision, hybrid CPU–GPU implementation of a nonlinearly implicit one-dimensional particle-in-cell algorithm by Chen, G., Chacón, L., Barnes, D.C.

“…Recently, an implicit, nonlinearly consistent, energy- and charge-conserving one-dimensional (1D) particle-in-cell method has been proposed for multi-scale,…”
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Nonlinear magnetohydrodynamics simulation using high-order finite elements by Sovinec, C.R., Glasser, A.H., Gianakon, T.A., Barnes, D.C., Nebel, R.A., Kruger, S.E., Schnack, D.D., Plimpton, S.J., Tarditi, A., Chu, M.S.

“…A conforming representation composed of 2D finite elements and finite Fourier series is applied to 3D nonlinear non-ideal magnetohydrodynamics using a…”
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Multi-GeV energy gain in a plasma-wakefield accelerator by HOGAN, M. J, BARNES, C. D, KATSOULEAS, T, KREJCIK, P, LU, W, MARSH, K. A, MORI, W. B, MUGGLI, P, O'CONNELL, C. L, OZ, E, SIEMANN, R. H, WALZ, D, CLAYTON, C. E, DECKER, F. J, DENG, S, EMMA, P, HUANG, C, IVERSON, R. H, JOHNSON, D. K, JOSHI, C

“…A plasma-wakefield accelerator has accelerated particles by over 2.7 GeV in a 10 cm long plasma module. A 28.5 GeV electron beam with 1.8 x 10(10) electrons is…”
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Ionization-induced electron trapping in ultrarelativistic plasma wakes by Oz, E, Deng, S, Katsouleas, T, Muggli, P, Barnes, C D, Blumenfeld, I, Decker, F J, Emma, P, Hogan, M J, Ischebeck, R, Iverson, R H, Kirby, N, Krejcik, P, O'Connell, C, Siemann, R H, Walz, D, Auerbach, D, Clayton, C E, Huang, C, Johnson, D K, Joshi, C, Lu, W, Marsh, K A, Mori, W B, Zhou, M

“…The onset of trapping of electrons born inside a highly relativistic, 3D beam-driven plasma wake is investigated. Trapping occurs in the transition regions of…”
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The use of biodiesel blends in domestic vaporising oil burners by Barnes, C.D., Garwood, D.R., Price, T.J.

“…Biodiesel is receiving increasing attention as a partial substitute for home heating oil. The properties that make it a suitable fuel for use in diesel engines…”
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Time-explicit Darwin PIC algorithm by Barnes, D.C.

“…•The Darwin particle-in-cell method is a non-separable canonical Hamiltonian system.•A new, explicit time-stepping is applied, based on Tao's recent…”
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Surgical management of primary, metastatic and recurrent anal sac adenocarcinoma in the dog: 52 cases by Barnes, D. C., Demetriou, J. L.

“…Objectives To report the outcomes and complications of a cohort of dogs with primary and recurrent anal sac adenocarcinoma managed with surgery as the…”
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Prevalence and disease associations in feline thrombocytopenia: a retrospective study of 194 cases by Ellis, J., Bell, R., Barnes, D.C., Miller, R.

“…Objectives To assess the prevalence of thrombocytopenia in a referral population of cats in the UK, to identify disease processes associated with…”
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Continuously differentiable PIC shape functions for triangular meshes by Barnes, D.C.

“…A new class of continuously-differentiable shape functions is developed and applied to two-dimensional electrostatic PIC simulation on an unstructured simplex…”
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Assessment of the Effects of Coulomb Collision Algorithms on High-Density Plasma Evolution in PIC Codes by Smith, T. M., Barnes, D. C., Hedlof, R. M.

“…Transport of relatively high-density fully ionized plasma can depend significantly on effects of Coulomb collisions. We assess the behavior and accuracy of…”
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Plasma production via field ionization by O’Connell, C. L., Barnes, C. D., Decker, F.-J., Hogan, M. J., Iverson, R., Krejcik, P., Siemann, R., Walz, D. R., Clayton, C. E., Huang, C., Johnson, D. K., Joshi, C., Lu, W., Marsh, K. A., Mori, W., Zhou, M., Deng, S., Katsouleas, T., Muggli, P., Oz, E.

“…Plasma production via field ionization occurs when an incoming particle beam is sufficiently dense that the electric field associated with the beam ionizes a…”
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Short‐term outcome and complications of TPLO using anatomically contoured locking compression plates in small/medium‐breed dogs with “excessive” tibial plateau angle by Barnes, D. C., Trinterud, T., Owen, M. R., Bush, M. A.

“…OBJECTIVES: To report short‐term radiographic and clinical outcome and complications following tibial plateau levelling osteotomy for the treatment of cranial…”
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Physical Effects of Aleph's Semi-Implicit Particle-in-Cell Scheme by Hedlof, R. M., Barnes, D. C., Smith, T. M., Eckert, Z., Hooper, R.

“…System-scale kinetic simulation of high-density plasmas in vacuum arc discharges is challenging due to stability constraints placed on the timestep and mesh…”
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Indirect assessment of stifle angle for improved accuracy of preoperative planning of tibial osteotomy procedures in dogs by Barnes, D. C., Owen, M. R.

“…To assess reliability of the mechanical axes stifle angle in dogs positioned for radiography with a neutral stifle (neutral stifle angle (nSA)). To investigate…”
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Effect of peritoneal lavage solution temperature on body temperature in anaesthetised cats and small dogs by Barnes, D. C., Leece, E. A., Trimble, T. A, Demetriou, J. L.

“…A prospective, randomised, non-blinded, clinical study to assess the effect of peritoneal lavage using warmed fluid on body temperature in anesthetised cats…”
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Modified tube gastropexy using a mushroom‐tipped silicone catheter for management of gastric dilatation‐volvulus in dogs by Belch, A., Rubinos, C., Barnes, D. C., Nelissen, P.

“…Objectives To report the short‐ and long‐term complications and clinical outcomes of a cohort of dogs managed for gastric dilatation‐volvulus using a modified…”
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Surgical management of impalement injuries to the trunk of dogs: a multicentre retrospective study by Matiasovic, M., Halfacree, Z. J., Moores, A., Nelissen, P., Woods, S., Dean, B., Chanoit, G., Barnes, D. C.

“…Objectives To review a large series of dogs referred for treatment of traumatic impalement injuries to the thorax and/or abdomen and to report aetiologies,…”
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Hose instability and wake generation by an intense electron beam in a self-ionized gas by Deng, S, Barnes, C D, Clayton, C E, O'Connell, C, Decker, F J, Fonseca, R A, Huang, C, Hogan, M J, Iverson, R, Johnson, D K, Joshi, C, Katsouleas, T, Krejcik, P, Lu, W, Mori, W B, Muggli, P, Oz, E, Tsung, F, Walz, D, Zhou, M

“…The propagation of an intense relativistic electron beam through a gas that is self-ionized by the beam's space charge and wakefields is examined analytically…”
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