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View Code? Open in Web Editor NEWC2-Ray radiative transfer / photo-ionziation code, version with helium, combining 1D and 3D
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c2-ray3dm1d_helium's Introduction
This source tree contains the hydrogen + helium version of C2-Ray, the radiative transfer / photo-ionization code. It combines the 1D and 3D versions of the code, although they need to be build in different ways. The original C2-Ray was developed by Garrelt Mellema & Ilian Iliev. This version was developed by Martina Friedrich. Different tests of the code and a description of the algorithms can be found in Radiative transfer of energetic photons: X-rays and helium ionization in C2-Ray M. M. Friedrich, G. Mellema, I. T. Iliev, P. R. Shapiro, 2012, MNRAS 421, 2232 (arXiv:1201.0602) The original C2-Ray paper (hydrogen only) is C2-Ray: A new method for photon-conserving transport of ionizing radiation G. Mellema, I. Iliev, M. Alvarez, P. R. Shapiro, 2006 New Astronomy 11, 374 (astro-ph/0508416)
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c2-ray3dm1d_helium's Issues
Multiphase branch sometimes reports convergence but keeps going
Multiphase branch sometimes reports convergence but keeps going; However, sometimes it does produce output.
Iteration dumps are not working in the multiphase branch
The subroutines which write and read the iteration dumps have not been updated to deal with the new arrays which have been introduced in the multiphase branch. Currently no restarts from iteration dumps can be done although the code does still produce the iteration dump files.
Output individual photoionization rates
For correcting the diff. brightness temperature calculation we need access to the photoionization rates separated by type of sources.
Hannah's branch already has this.
Multiphase branch cannot be used without -DQUASARS and -DPL
When compiling without either -DQUASARS and -DPL the multiphase branch produces a code which does not work correctly. Further tests are needed to find out what the problem is and how this can be solved.
PLs do not heat in branch multiphase
When using the PL sources there is no heating in the new multiphase branch of the code.
Strange fluctuations in the heating rates have been seen in some simulations.
There is some issue which is not really understood. Ask Hannah Ross for more details. It is not clear if this is an issue with C2Ray or with the source lists.
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