[FLASH-USERS] Material EOS

Ricker, Paul Milton pmricker at illinois.edu
Wed Jul 8 14:57:09 EDT 2020


Klaus,

Is there a way to prevent this troll from posting to the list so that
Nick can get help with his problem?

Paul

-- 
Paul M. Ricker
Professor of Astronomy
University of Illinois
http://sipapu.astro.illinois.edu

On Wed, 2020-07-08 at 12:53 -0500, richardcollins wrote:
> Nick,
> 
> I am new to this group, and this is my first post.  I do not have a
> lot of time to backtrack every posting to see the context.  And I
> have not been around for years to absorb that by bumping into all the
> pieces.   So, while I might be able to make suggestions, I simply do
> not have a clear model of "our experimental results" and your
> experiment as a whole.
> 
> For the Internet Foundation, I track all users of the Internet. With
> particular attention to global communities larger than a million
> members. But I study small groups to see what tools they are using
> for collaboration, sharing, and effective group efforts.
> 
> Almost none of the things in this group are easily accessible to
> outsiders. Most of it, in common with all the groups I follow, is
> because the problems, like this one - are presented without
> sufficient context and resources (links and online data and tools) to
> immediately see what is going on.
> 
> Now if you are happy with solving problems over months years and
> decades, what you are doing is fine.  Everyone is happy to take weeks
> to talk about an ambiguity or inconsistency or error.  But true, high
> speed "lets get this done now!" is hampered by little things.  Give
> me a link to the information I need to review your problem --- right
> here -- in the message. Don't make me search.
> 
> My bias is Covid-19.  I am working on those global communities to get
> them resolving ambiguities and opportunities in hours, not weeks.  It
> is going to take two orders of magnitude speedup, or it is though no
> one did anything at all to help.  Too late.
> 
> You are asking a critical and important question here.  If that large
> a discrepancy is real, and not some "How do I get this stupid program
> set up properly" thing, then some core assumptions in these programs
> in wrong.  
> 
> Pardon me for interrupting.  I would like to see what you are trying
> to do. Are all the people in this group sharing data and experimental
> models in real time online?  From this way of talking to each other,
> I suspect not.  Or maybe everyone knows everyone and everything
> already.  :)
> 
> Thank you,
> Richard Collins, Director, The Internet Foundation
> > On July 8, 2020 11:50 AM Hartley, Nicholas J <njh at slac.stanford.edu
> > > wrote:
> > 
> > 
> > Dear all,
> > 
> > I’ve run the LaserSlab example and am finding that the results are
> > very different from experiments and reference tables such as
> > SESAME. I reduced the intensity to around 3 TW/cm2, to be closer to
> > our experimental results, and FLASH predicts a pressure of ~30 GPa
> > but a density of 9.6 g/cc – experimental data suggests that you
> > need a pressure closer to 2 TPa to get such high compression. Have
> > other people found the same issue, or is this a mistake in my
> > setup?
> > 
> > Thanks,
> > Nick


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