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Other literature type . 2025
License: CC BY
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Presentation . 2025
License: CC BY
Data sources: Datacite
ZENODO
Presentation . 2025
License: CC BY
Data sources: Datacite
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SWiG: Open-source Empirical Solar Wind Generator

Authors: Caplan, Ronald; Linker, Jon; Downs, Cooper; Riley, Pete; Stulajter, Miko;

SWiG: Open-source Empirical Solar Wind Generator

Abstract

Empirical solar wind models (ESWM) have a long history of use for space weather and heliospheric research applications, and continue to be widely used today. By relying on potential field models of the solar corona, they can be calculated much faster compared to more complex models (.e.g Magnetohydrodynamic models). The most widely used ESWM is the Wang-Sheely-Arge (WSA) model, which has gone under several revisions over the years. Another popular model is the DCHB model included in the CORHEL modeling suite. While ESWM models have been available publicly for runs-on-request for some time, there are few (if any) that are open-source. Open-source packages do exist for potential field calculations, but ESWMs also require accurate field line tracing and the empirical prescriptions themselves. As part of a Space Weather with Quantified Uncertainty project, we have released the open-source Solar Wind Generator (SWiG). SWiG (github.com/predsci/swig) includes a high-performance accurate potential field solver (POT3D) and field-line tracing code (MapFL), controlled by python scripts to easily generate either WSA or DCHB solar wind models given a full-Sun magnetogram. In this presentation, we introduce SWiG, describe its components, show example results, and give instructions on how to easily download, build, and run the model. The importance of open-source for reproducibility is also discussed.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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