GetDP - a General environment for the treatment of Discrete Problems
getdp [file] [options]
is a general 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.
is a command-line program. See Gmsh
for a graphical
This man page does not describe the syntax of the input files: you should refer
to the info documentation for this (e.g. with info getdp
Up-to-date versions of the manual in various formats are available at
- is an ASCII file containing the problem definition, i.e.,
the structures the Texinfo documentation will teach you to create. This
file can include other files, so that only one problem definition file
should always be given on the command line. The input files containing the
problem definition structure are usually given the .pro extension
(if so, there is no need to specify the extension on the command line).
The name of this file (without the extension) is used as a basis for the
creation of intermediate files during the pre-processing and the
- -pre resolution-id
- performs the pre-processing associated with the resolution
called resolution-id. In the pre-processing stage, GetDP
creates the geometric database (from the mesh file), identifies the
degrees of freedom (the unknowns) of the problem and sets up the
constraints on these degrees of freedom. The pre-processing creates a file
with a .pre extension. If resolution-id is omitted, the list
of available choices is displayed.
- performs the processing. This requires that a
pre-processing has been performed previously, or that a -pre option
is given on the same command line. The performed resolution is the one
given as an argument to the -pre option. In the processing stage,
GetDP executes all the operations of the selected resolution (such
as matrix assemblies, system resolutions, ...). The processing creates a
file with a .res extension.
- -pos post-operation-id(s)
- performs the post-processing operations selected by the
post-operation-id(s). This requires that a processing has been
performed previously, or that a -cal option is given on the same
command line. If post-operation-id is omitted, the list of
available choices is displayed.
- -msh filename
- reads the mesh database from filename rather than
reading it from the default problem file name with the .msh
- resumes time loop processing from where it stopped.
- -solve resolution-id
- same as -pre resolution-id -cal.
- saves processing results in separate files (one for each
- -res filename(s)
- loads processing results from filename(s) instead of
from the default problem file name with the .res extension
- -name string
- uses string as the default generic file name for
input or output of mesh, pre-processing and processing files.
- -adapt filename(s)
- reads adaptation constraints from filename(s).
- -order float
- specifies maximum interpolation order.
- -solver filename
- specifies solver parameter file.
- [PETSc options]
- PETSc options (if GetDP was compiled with PETSc
- creates binary output files. -v2 creates mesh-based
Gmsh output files when possible
- lets you check the problem structure interactively.
- -v int
- sets the verbosity level. A value of 0 means that no
information will be displayed during processing. Higher values increase
the amount of information displayed.
- -p int
- sets the progress update rate. This controls the
refreshment rate of the counter indicating the progress of the current
- -onelab name address
- communicates with OneLab server through socket.
- displays the version number.
- displays detailed version information.
- displays a message listing basic usage and available
Patrick Dular (patrick.dular at ulg.ac.be) and Christophe Geuzaine (cgeuzaine at
ulg.ac.be). See the documentation for a comprehensive list of contributors.
(1), GetDP examples ( /usr/share/doc/getdp-*/
), GetDP homepage
The full documentation for GetDP is maintained as a Texinfo manual. If the
programs are properly installed at your site, the
- info getdp
should give you access to the complete manual.