[ET Trac] [Einstein Toolkit] #1019: GRHydro/MoL/TmunuBase: allow grhydro evolution without Tmunu storage

[Einstein Toolkit]

#1019: GRHydro/MoL/TmunuBase: allow grhydro evolution without Tmunu storage
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 Reporter:  bmundim                |       Owner:     
     Type:  defect                 |      Status:  new
 Priority:  critical               |   Milestone:     
Component:  EinsteinToolkit thorn  |     Version:     
 Keywords:  GRHydro MoL TmunuBase  |  
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 Since r350 we can't evolve GRHydro without assigning storage for Tmunu.
 This is far from ideal, since we may want to study only special
 relativistic effects or to evolve a non-self-gravitating fluid with a live
 metric. In both cases we don't need storage
 for Tmunu.

 The attached patches fix this problem. It requires to schedule
 TmunuBase_SetStressEnergyState at Wragh instead of basegrid and before Mol
 registers any variables.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1019>
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