[ET Trac] #2497: IllinoisGRMHD is incompatible with setting TmunuBase::stress_energy_at_RHS = "no"

[Roland Haas]

#2497: IllinoisGRMHD is incompatible with setting TmunuBase::stress_energy_at_RHS = "no"

 Reporter: Gabriele Bozzola
   Status: open
Milestone: 
  Version: development version
     Type: bug
 Priority: major
Component: EinsteinToolkit thorn

Comment (by Roland Haas):

There was some discussion on this in the Einstein Toolkit call just now. The situation seems that one can enable Tmunu storage but disable Tmunu being actually set by setting `TmunuBase::stress_energy_storage = yes` and `TmunuBase::stress_energy_at_RHS = no` . `TmunuBase` relies on running in `MoL_PostStep`. Since `Tmunu` is a derived quantity like the primitives it may be most consistent with other codes to have `Tmunu` set at INITIAL at the same time say `HydroBase_Con2PrimInitial` is running by scheduling the `SetTmunu` group in there instead of only in `MoL_PostStep`. This would rely on checking on `ADMSbase_SetADMVars` and possible touch `HydroBase` as well in case setting Tmunu uses primitive variables.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2497/illinoisgrmhd-is-incompatible-with-setting
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