[Users] GRMHD and the upcoming ET workshop

[Zach Etienne]

Dear Frank,

Thank you for your kind reply.

2011/10/25 Frank Loeffler <knarf at cct.lsu.edu>

> Would you be interested to summarize and discuss these results within an
> Einstein Toolkit call? We usually use plain phone for the calls, but
> would use evo as second option for opportunities like this, and we would
> announce it accordingly.
>
> We would be happy to participate in the Einstein Toolkit conference call on
Nov 7 and discuss the paper, as well as our experience with GRMHD.  Please
provide instructions for connecting to the EVO telecon.

All the best,

Zach Etienne
Yuk Tung Liu
Vasilis Paschalidis
Stu Shapiro



2011/10/25 Frank Loeffler <knarf at cct.lsu.edu>

> Dear Zach,
>
> On Mon, Oct 24, 2011 at 11:37:01AM -0500, Zach Etienne wrote:
> > We (the Illinois Relativity group) have been following the ET mailing
> list
> > with great interest since its inception and were planning to send
> > representatives to the upcoming ET workshop.  Sadly, we will be too busy
> > preparing for the Midwest Relativity Meeting, which we are hosting the
> > following weekend.
>
> That is too bad indeed. We should find another opportunity in the
> future.
>
> > As many of you know, we currently evolve the vector potential to perform
> > GRMHD simulations with divergence-free magnetic fields.  We found some
> major
> > problems with our original implementation when evolving magnetized binary
> > inspirals, such as BHNS inspirals.  We discovered that the problems were
> due
> > to a zero-speed EM gauge mode, and after switching to another (Lorenz) EM
> > gauge, we find huge improvements.
> >
> > We recently posted a paper summarizing our findings at:
> > http://arxiv.org/abs/1110.4633
>
> Would you be interested to summarize and discuss these results within an
> Einstein Toolkit call? We usually use plain phone for the calls, but
> would use evo as second option for opportunities like this, and we would
> announce it accordingly.
>
> The call is always open to the public anyway - please feel free to call
> in. The next call will be Mon Nov 7th, at 10am central time, and usually
> an announcement is sent the day before.
>
> Frank
>
>
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