Flows and magnetic field structures in reconnection regions of simulations of the solar atmosphere: Do flux pile-up models work?S. Shelyag, Y. E. Litvinenko, V. Fedun, G. Verth, J. J. González-Avilés and F. S. GuzmánA&A, 620 (2018) A159DOI: https://doi.org/10.1051/0004-6361/201833752