We present a new version of the Palermo-Harvard hydrodynamic model of plasma confined in coronal loops, based on a regridding algorithm which ensures limited variations of thermodynamical variables across grid points. The code provides an accurate description of the dynamics of the chromosphere-corona transition region, in spite of the very steep temperature and density gradients, even during flare-like transients. The new model can be used to synthesize, together with X-ray emission, the optically thin emission originating from the transition region, mainly in the EUV band. Here we show sample results.
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CITATION STYLE
Betta, R., Peres, G., Reale, F., & Serio, S. (1997). An adaptive grid code for high resolution 1-D hydrodynamics of the solar and stellar transition region and corona. Astronomy and Astrophysics Supplement Series, 122(3), 585–592. https://doi.org/10.1051/aas:1997157