[FLASH-USERS] simple code to start N-body simulations

[John ZuHone]

Hi Guido,

I think that the larger issue is that you made a vague claim that the N-body solver was “not good at all” without providing any evidence or specific reasons why you believed so. From the text of your latest email, it appears you are not backing off of this claim, unless I am incorrect. 

If there is indeed a problem (which there may be), it would be better for all involved if you were to be more specific about what the problems were, and provide some evidence so we would know exactly where to look for a problem. In that case, the FLASH community could do something about providing a fix, which I know it would be very happy to do. Otherwise, you are just spreading around completely unsubstantiated information, which is not fair to either the authors of the code or those who want to make sure their scientific results are accurate. 

Best,

John

> On Sep 22, 2015, at 12:14 PM, Guido granda muñoz <guidogranda at gmail.com> wrote:
> 
> Dear All,
> I just wanted to apologize if somebody got pissed off about my comment on the N-body solver, anyway it is good to know that somebody is working on that and is willing to share their work.
> 
> Kind Regards,
> 
> 2015-09-22 5:32 GMT-03:00 K. Murawski <kmur at kft.umcs.lublin.pl <mailto:kmur at kft.umcs.lublin.pl>>:
> Dear All,
> 
> let me to express my sincere thanks here to all developers here for the
> release of the FLASH code. Their great effort resulted in a number of
> papers we have written on the basis of the results which are obtained by
> this code. A particular thanks are due to Dongwook Lee who has given us
> a tremendous hand in that.
> 
> Happy Flashing,
> 
> Kris
> 
> 
> On Mon, 2015-09-21 at 16:36 +0000, Ricker, Paul Milton wrote:
> > Spreading vague, unsubstantiated, and false claims about a code will
> > earn you a reputation for a lack of seriousness. Certainly in my book
> > you have just achieved that.
> >
> >
> > Paul M. Ricker
> > Associate Professor of Astronomy
> > University of Illinois
> > http://sipapu.astro.illinois.edu/~ricker <http://sipapu.astro.illinois.edu/~ricker>
> >
> >
> >
> > -------- Original Message --------
> > From: Guido granda muñoz <guidogranda at gmail.com <mailto:guidogranda at gmail.com>>
> > Sent: Monday, September 21, 2015 11:19 AM
> > To: Paulo Alberto <condefoton at gmail.com <mailto:condefoton at gmail.com>>
> > Subject: Re: [FLASH-USERS] simple code to start N-body simulations
> > CC: flash-users at flash.uchicago.edu <mailto:flash-users at flash.uchicago.edu>
> >
> > Hello Paulo,
> >
> >
> > I'm also interested on a modified version of Flash for cosmology,
> > however I think you'll have to modified by yourself since there is not
> > a public version for that. I found a presentation that maybe can be
> > useful, you can find it as an attached file. Another hint is that
> > flash n-body solver is not good at all, I saw an output of it and it
> > doesn't give reasonable resuts.
> >
> >
> > Kind Regards,
> >
> >
> >
> > 2015-09-16 22:30 GMT-03:00 Paulo Alberto <condefoton at gmail.com <mailto:condefoton at gmail.com>>:
> >         Hello. I am starting with the use of the FLASH code to N-body
> >         simulations, and maybe simulate galaxy or evolution. To solve
> >         Poisson’s equation in gravitation.
> >
> >         My request is to get a simple code for N-body problem and
> >         begin to understand with the use of FLASH. I appreciate so
> >         much.
> >
> >         Tanks.--
> >         Att: Paulo A. Rodríguez H.
> >
> >         E-mail: condefoton at gmail.com <mailto:condefoton at gmail.com>
> >
> >
> >
> > --
> > Guido
> 
> 
> 
> 
> 
> -- 
> Guido

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