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freefem3d - Language and solver for partial differential equations in 3D…  more info»


FF3D(1)A general PDE solver driven by a user friendly languagFF3D(1)

       ff3d - FreeFEM3D is a general PDE solver

       ff3d [-v|-h|-H]
       ff3d [-nw][-V verbosity_level][filename]

       This manual page documents, briefly, the ff3d command.

       FreeFEM3D  (aka  ff3d) is a 3D solver of partial differential
       equations (PDE).  It is  a  member  of  the  familly  of  the
       freefem programs (see

       ff3d,  as  well  as  its cousins, is a PDE solver driven by a
       user-friendly language. It solves many kind of problems  such
       as  elasticity,  fluids  (Stokes and Navier-Stokes) and a lot
       more. The user has to enter the equation associated with  the
       problem,  giving either the PDE in strong formulation or weak
       (variational) formulation.

       ff3d can use either the Finite Elements method (the  mesh  of
       the  geometry  being  provided  by  the user) or a Fictitious
       Domain like approach where the geometry  is  described  using
       Constructive  Solid  Geometry (CSG). This description is done
       using the POV-Ray language but others such as VRML  could  be

       The  processing  of the results is left to the user.  One can
       use various graphic tools: output in the MEdit mesh format or
       VTK  are  supported. The implementation of a VTK base visualā€
       ization module is underway.

       The goal of ff3d is to provide a good  teaching  tool  and  a
       research  toolbox  (the code is written in C++ and its design
       is such that new methods can be easily implemented).

       -v, --version
              Output version of program and exit.  The default  mode
              is  `v',  a  simple  version.  The `c' mode will print
              copyright information and  `n'  will  print  the  full
              copyright notice.

       -h, --help
              Display usage information and exit.

       -H, --more-help
              Display  extended  usage  information  and Licence and

       -V verbosity_level, --verbosity verbosity_level
              Set level of verbosity.  The default number  for  this
              option is:

              Changes  ff3d  level  of verbosity. Bigger values will
              make ff3d give more and more informations.

       Jean-Baptiste Apoung Kamga
       Stephane Del Pino
       Olivier Pironneau
       Driss Yakoubi

       Cecile Dobrzynski
       Pascal Have
       Christophe Prud'homme

       Please send bug reports to:
       or better use the  Bug Tracking System:

       This program is free software; you can redistribute it and/or
       modify  it  under the terms of the GNU General Public License
       as published by the Free Software Foundation; either  version
       2, or (at your option) any later version.
       see for details.

                             2007-07-05                      FF3D(1)
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