[Users] Meeting Minutes 2020-07-23

Thu Jul 23 10:38:25 CDT 2020

Present:  Peter D., Roland H., Federico C., Miguel G., Zach E., Steve B., Beyhan, Alois S.,  Maria H., Bilal

Chair: Zach E.
Minutes: Miguel G.

  *   Online ET workshop<https://www.cct.lsu.edu/Einsteintoolkitworkshop>, August 3-7 2020 [SB].
     *   Schedule (https://docs.google.com/spreadsheets/d/11waMmS73k6mxBxQVIC6eZH4hFjLsxVpH_tgv3yBj5gs/edit?usp=sharing)

  Steve: Trying to get the agenda together, does not have anything on Friday but a discussion panel could fit.
Zach: suggested  future directions in numerical relativity (code development like gpu support) as topic.
        Steve: needs titles and abstracts (Peter D. will send it today)
        Steve is setting up the  new workshop tutorial server, similar to the ETK tutorial.  Steve needs volunteers to try the new server (people interested should provide him their email address).
         Steve: Speakers should send him a list of their technical needs (python packages, thorns, etc.) and all the extra material needed for their tutorials (jupyter notebooks, etc.).
         Roland: asked if there’s a Workshop tutorial repo… Steve said No but he can do it, he’s still making changes and running tests, eventually will require some cleaning.
         Steve: Students thinks students should run the workshop tutorial in advance.
         Steve: Recording the session would be great.
         Steve: 30 people signed up already. He will send a second announcement to the mailing list soon.

  *   Gallery testing: tasks<https://bitbucket.org/einsteintoolkit/tickets/issues?kind=task&milestone=ET_2020_05> [RH]
     *   BNS:  In progress, needs to be uploaded, some differences post-merger.

  Roland:  No movie for BNS, hopefully the person in charge will have it soon.

  *   BBH: Peter Schaffarczyk (Kiel), Atul Kedia (Notre Dame) In progress.

                            Peter: editing webpage where they have collected all the material, should be finished soon.

  *   gcc-10 / gfortran-10 [RH]

About backporting process:

Roland: asked Zach if there any pending backporting for WVUThorns , Boundary fix should go to Master or not? Zach will make a decision and try to make time to patch in a reasonable time frame.

  *   Open tickets

        No new open tickets.
      Zach’s student while reading documentation found that the web browser (safari and Chrome) were not rendering the latex equations correctly. The issue could cause missing math symbols . The problem is the Latex to HTML conversion process, done  automatically  by Jenkins server… Two possible solutions 1) go back to old version, 2) update Jenkins server.  Federico C. could help.

  *   Extra questions:

Bilal Asked: “Can I solve Einstein's constraints by conformal method using the ETK?”
               Zach: Elliptic solvers in the toolkit like CT_MultiLevel thorn could be useful.

Beyhan——Rotation profile in BNS remnants?
               Roland:  PostCactus wiki page (https://docs.einsteintoolkit.org/et-docs/Analysis_and_post-processing) could be helpful.

  *   Next minute taker and call chair:

 07/30/2020:

Chair: Roland H.

Minute taker: Steven B.

  *   No call on the Workshop week.

Call ended.

———————————————
Miguel Gracia,
Postdoctoral Researcher,
Center for Relativistic Astrophysics,
Boggs Bldg. 1-35, Georgia Institute of Technology, 770 State Street, Atlanta, GA, 30313, USA.

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