Journal
JOURNAL OF COMPUTATIONAL PHYSICS
Volume 231, Issue 3, Pages 904-918Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcp.2011.04.019
Keywords
Streamers; Electric discharges; Density models
Funding
- Spanish Ministry of Science and Innovation
- MICINN [AYA2009-14027-C05-02]
- Junta de Andalucia, Proyecto de Excelencia [FQM-5965]
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Streamer electrical discharges are often investigated with computer simulations of density models (also called reaction-drift-diffusion models). We review these models, detailing their physical foundations, their range of validity and the most relevant numerical algorithms employed in solving them. We focus particularly on schemes of adaptive refinement, used to resolve the multiple length scales in a streamer discharge without a high computational cost. We then report recent results from these models, emphasizing developments that go beyond cylindrically symmetrical streamers propagating in homogeneous media. These include interacting streamers, branching streamers and sprite streamers in inhomogeneous media. (C) 2011 Elsevier Inc. All rights reserved.
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