NDLI: Numerical simulation techniques for the study of high-power diodes for radiography

Content Provider	IEEE Xplore Digital Library
Author	Welch, D.R. Rose, D.V. Oliver, B.V. Hughes, T.P. Clark, R.E.
Copyright Year	2000
Description	Author affiliation: Mission Res. Corp., Albuquerque, NM, USA (Welch, D.R.)
Abstract	Summary form only given. In the IPROP and LSP codes, we have developed the capability for multi-dimensional simulation of dense plasmas in pulsed-power devices. The plasma modeling includes an implicit electromagnetic field solver that permits large time steps and fine resolution of plasma in one direction and coarse resolution in the other directions. The new solver is well suited to the simulations of thin surface and dense bulk plasmas. These codes use a hybrid (fluid/kinetic) description of the plasma electrons and kinetic modeling of ions. This description permits the simulation of a high-density plasma without micro time steps and zoning. In order to determine the rate at which contaminants leave the surface, we also model the electron interaction with the anode. The interaction is presently modeled utilizing Moliere multiple scattering and an energy-loss model for treating the interaction of high-energy electrons with the anode. A new model utilizing the ITS series of Monte Carlo algorithms is being implemented to more accurately simulate energy loss, scattering and production of secondary electrons. A detailed description of these models and some relevant examples will be discussed.
File Size	107778
File Format	PDF
ISBN	0780359828
ISSN	07309244
DOI	10.1109/PLASMA.2000.855161
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Numerical simulation Diodes Plasma simulation Plasma density Plasma devices Electrons Surface contamination Kinetic theory Anodes Electromagnetic scattering
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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