[FLASH-USERS] [External Sender] Fwd: Z-pinch Test Problem

[Erik McKee]

Paul,

Thank you very much.  This fixed my issue.  Its funny though that the plot
to be reproduced in the users manual is the azimuthal magnetic field but
the only variable in the .par file is the magz.

Erik

On Tue, Feb 4, 2025 at 12:48 PM Paul Campbell <Paul.Campbell at zap.energy>
wrote:

> Hi Erik,
>
>
>
> If you’re running FLASH 4.8 try changing the parameter xr_boundary_type =
> “no current” to xr_boundary_type = “circuit” (this should be in the hydro
> parameters section of the .par file).  I think boundary conditions changed
> between FLASH versions and this changed fixed the issue you’re having for
> me.
>
> Paul Campbell
>
>
>
> *From:* flash-users <flash-users-bounces at flash.rochester.edu> *On Behalf
> Of *Erik McKee
> *Sent:* Monday, February 3, 2025 6:37 PM
> *To:* flash-users at flash.rochester.edu
> *Subject:* [External Sender] [FLASH-USERS] Fwd: Z-pinch Test Problem
>
>
>
> Hello Flash Users,
>
>
>
> I have recently installed the new version of Flash and I am trying to get
> the Z-pinch example running.  Everything compiles and runs ok however, when
> I use python to parse the h5 files and make a movie of them, this is the
> result.  It appears that the current file did not load because the density
> wave moves away from the z-axis and not towards it.  Additionally, when I
> plot the magp and magz values, they are all zeros.  The only step I
> differed then on the users manual was
>
>
>
> ./setup -auto magnetoHD/ZPinch -1d +cylindrical +ug +usm3t +mtmmmt \
> species=fill,line,vacu +mgd mgd_meshgroups=6 +hdf5typeio
>
>
>
> I had to leave out the +hdf5typeio because I did not have the parallelized
> version of hdf5 of this and it would not compile.  Is this the reason for
> the test problem not making sense.
>
>
>
> Thank you for the help,
>
> Erik
>
>
>
>
>
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