
This directory contains the source code for concorde97 and MATCH
(which contains the Blossom IV code).

As a special exception granted by Prof. Bill Cook, the code in this
directory can be used within the Gmsh system for both academic and
non-academic use. Note that this exception to the standard license is
granted only for use within the Gmsh system: see the original email
exchange below:


Subject: Re: Concorde non academic use
Date: Thu, 22 Sep 2011 18:01:14 +0200
Cc: <Jean-Francois.Remacle@uclouvain.be>
To: Bill Cook <bico@isye.gatech.edu>

Dear Prof. Cook,

Thanks for your email: it will make many Gmsh users very happy!

All the best,

Christophe

On 22 Sep 2011, at 17:15, Bill Cook wrote:
>
> Dear Professor Remacle, Thanks for your email.  That is nice to hear
> that the matching code in useful in your finite-element work.  It is
> fine to include Blossom IV and Concorde in your distribution, including
> use for non-academic work.  Could you please include wording that the
> Concorde license is granted only for use within the Gmsh system?
>
> Thanks again.
>
> Best regards,
>
> Bill
>
>
>
> Jean-Fran=E7ois Remacle wrote:
>> Dear Dr. Cook,
>>
>> We are the developers of GMSH, the open source mesh generator (see =
www.geuz.org/gmsh <http://www.geuz.org/gmsh> or
>> http://onlinelibrary.wiley.com/doi/10.1002/nme.2579/abstract).  We =
provide Gmsh under the GPL license.
>>
>> In a recent research, we have developed a new method for building =
specific kind of meshes (quadrilaterals). This new method requires to =
compute optimal perfect matchings. We have found out that the "Blossom =
IV" implementation was indeed quite effective. This implementation makes =
use of Concorde.
>>
>> In your web page, it is said that "concorde is available for academic =
research use; for other uses, contact William Cook =
<mailto:bico@isye.gatech.edu?subject=3DConcorde> for licensing =
options.". We'd like that Gmsh users can take advantage of our new =
algorithm.  Yet, even though most of Gmsh's users are form academia, =
some  are from engineering offices. This is indeed incompatible with =
Concorde's license.
>> I therefore contact you for getting more information about the =
licensing options that are available.
>>
>> Best regards,
>>
>> Jean-Fran=E7ois Remacle & Christophe Geuzaine.
>>
>> ------------------------------------------------------------------
>> Prof. Jean-Francois Remacle
>> Universite catholique de Louvain (UCL)
>> Ecole Polytechnique de Louvain (EPL) - Louvain School of Engineering
>> Institute of Mechanics, Materials and Civil Engineering (iMMC)
>> Center for Systems Engineering and Applied Mechanics (CESAME)
>> Tel : +32-10-472352 -- Mobile : +32-473-909930
>>
>>
>

--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine
