fenics team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, Sep 15, 2008 at 06:46:35PM +0200, Johan Hoffman wrote:
> > On Mon, Sep 15, 2008 at 05:17:31PM +0200, Johan Hoffman wrote:
> >> > On Mon, Sep 15, 2008 at 12:54:33PM +0200, Johan Hoffman wrote:
> >> >> > Hello fellow FEniCS hackers,
> >> >> >
> >> >> > We're currently considering launching a new FEniCS project called
> >> >> >
> >> >> > 'FEniCS-Apps'
> >> >> >
> >> >> > The idea of this project would be to establish a community of
> >> >> > developers that use FEniCS software for larger applications. These
> >> >> > applications would then be hosted as individual sub-projects under
> >> >> > 'FEniCS-Apps'. The aim is to enable developers to share code, ideas
> >> >> > and best practices when using other FEniCS projects like FFC and
> >> >> > DOLFIN.
> >> >> >
> >> >> > Two examples of projects that could be hosted by 'FEniCS-Apps',
> >> that
> >> >> > we have developed, are:
> >> >> >
> >> >> >
> >> >> > dolfin-grade2:  a library for solving non-Newtonian fluid problems
> >> >> > using the grade-two fluid model
> >> >> >
> >> >> > fenics-plasticity:  a library that implements different plastic
> >> models
> >> >> > and a framework for solving problems using these models.
> >> >> >
> >> >> >
> >> >> > We have set up a few things to show how our idea would work, that
> >> you
> >> >> > might check out.
> >> >> >
> >> >> > * a page on the wiki (http://www.fenics.org/wiki/FEniCS_Apps)
> >> >> > * a hg repository (http://www.fenics.org/apps/)
> >> >> > * a mailing list (http://fenics.org/mailman/listinfo/fenics-apps)
> >> >> >
> >> >> > Please let us know your opinion on the matter and any suggestions
> >> you
> >> >> may
> >> >> > have.
> >> >> >
> >> >> > Regards,
> >> >> >
> >> >> > Andy R. Terrel
> >> >> > Kristian B. Ølgaard
> >> >>
> >> >> Andy and Kristian,
> >> >>
> >> >> I think this is a good idea, which has previously been discussed at
> >> this
> >> >> list. At that time I believe the main hesitation was connected to
> >> have
> >> >> someone volunteer to administrate such a project.
> >> >
> >> > I also think this looks good!
> >> >
> >> >> I think it is good to have a fenics-forum for application oriented
> >> >> developers that can interact with the developers of the basic tools.
> >> >>
> >> >> All the best,
> >> >> Johan
> >> >
> >> > Should Unicorn be moved into FEniCS Apps? Is it still active?
> >>
> >> No, this is a separate project, with a different goal.
> >
> > ok, so how is it different?
> 
> I believe we have been through this discussion before, several
> times.

Yes, but we've never come to any conclusion.

> But in short: Unicorn aims at realizing the FEniCS vision of "...the
> goals of generality, efficiency, and simplicity, concerning
> mathematical methodology, implementation, and application.", for
> continuum mechancs problems, using one implementation of one method
> for a wide range of problems, extending the generality of currently
> available methods in this area, concerning mathematical methodology
> and implementation.

I thought Unicorn was an application code based on DOLFIN. It would be
better to put any general tools into DOLFIN.

> FEniCS Apps, to me, sounds more like a forum for a wide range of
> application oriented developers using FEniCS software tools, less focused
> on a unifying mathematical methodology.

I don't think that there is any particular goal with FEniCS Apps other
than collecting projects based on FEniCS (like Unicorn). So each project
is free to state its own goals as part of FEniCS Apps.

Anyway, it's not very important so I won't push it further. I just
thought that now that FEniCS Apps exists, and more importantly, Andy
and Kristian have stepped up to maintain it, it would be natural to
include our only existing application code (not counting the new codes
from Andy and Kristian) into the collection of applications.

-- 
Anders

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