GetDP: a General Environment for the Treatment of Discrete Problems

Patrick Dular and Christophe Geuzaine

Version 2.4.4, July 9 2014

Description | Download | Authors and credits | Documentation | Licensing | Links

Description

GetDP is an open source finite element solver using mixed elements to discretize de Rham-type complexes in one, two and three dimensions. The main feature of GetDP is the closeness between the input data defining discrete problems (written by the user in ASCII data files) and the symbolic mathematical expressions of these problems.

For example, to solve the Poisson equation div(a grad(v)) = f on a domain D, an input file (".pro" file) would contain something like this:

  FunctionSpace {
    { Name H1; Type Form0; 
      BasisFunction {
        { Name sn; NameOfCoef vn; Function BF_Node; Support D; Entity NodesOf[All]; }
      }
    }
  }
  Formulation{
    { Name Poisson; Type FemEquation;
      Quantity { 
        { Name v; Type Local; NameOfSpace H1; }
      }
      Equation {
        Galerkin { [ a[] * Dof{d v}, {d v} ] ; In D; Jacobian V; Integration I; }
        Galerkin { [ f[], {v} ] ; In D; Jacobian V; Integration I; }
      }
    }
  }
i.e., a direct transcription of the discrete function space and weak formulation of the problem.

See GetDP's reference manual for a more thorough overview of GetDP's capabilities.

Download

GetDP is distributed under the terms of the GNU General Public License (GPL): If you use GetDP please cite one of the references in your work (books, articles, reports, etc.).

Authors and credits

GetDP was created by Patrick Dular and Christophe Geuzaine at the University of Liège. The CREDITS file has more information.

Please use the public mailing list getdp@geuz.org to send questions or ask for help. If you think you have found a bug in the program, you can file a report directly here (username: getdp, password: getdp).

Documentation

   

Licensing

GetDP is copyright (C) 1997-2014 by P. Dular and C. Geuzaine, University of Liege, and is distributed under the terms of the GNU General Public License (GPL).

In short, this means that everyone is free to use GetDP and to redistribute it on a free basis. GetDP is not in the public domain; it is copyrighted and there are restrictions on its distribution (see the license and its associated FAQ). For example, you cannot integrate this version of GetDP (in full or in parts) in any closed-source software you plan to distribute (commercially or not). If you want to integrate parts of GetDP into a closed-source software, or want to sell a modified closed-source version of GetDP, you will need to obtain a different license. Please contact us directly for more information.

Links

Back to geuz.org