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MAS run duration recommendations

Since the model is designed to integrate to an equilibrium solution, CCMC includes a plot designed to check for convergence in the quick-look plots delivered with the model results.

The plot is titled 'Convergence Monitor' and shows timelines of various quantities (magnitude of JXB, the magnetic energy W, Kinetic energy K, and thermal energy E) integrated over the coronal volume.

It is up to the user to check this plot and decide if they are satisfied with the degree of convergence, or if they would like to rerun the request with a longer integration time.

The integration time required to achive convergence is dependent on the amount of structure in the synoptic magnetogram being used as input. More structure typically requires longer integration times.

We recommend 100 hours, and certainly no less than 40 hours of run duration.

National Aeronautics and Space Administration Air Force Materiel Command Air Force Office of Scientific Research Air Force Research Laboratory Air Force Weather Agency NOAA Space Environment Center National Science Foundation Office of Naval Research

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