GetDP

GetDP is a rather general open source finite element solver using mixed elements to discretize de Rham-type complexes in one, two and three dimensions. GetDP is developed by the ACE group from the Montefiore Institute at the University of Liège, and is released under the GNU GPL.

Contents

Getting started

ONELAB allows to use GetDP as a black-box solver: you don't need to know anything about finite elements or de Rham complexes in order to run your first simulations:

1. Download and uncompress the Gmsh/GetDP bundle for Windows64, Windows32, Linux64, Linux32 or MacOSX. (If you prefer you can of course also download and install Gmsh and GetDP independently. Please note that the examples below require very recent versions of Gmsh and GetDP, i.e., nightly builds made after December 4th, 2013. Current stable versions will not work.)
2. Double-click on the Gmsh executable (gmsh.exe
   Error creating thumbnail: Unable to save thumbnail to destination
   on Windows).
3. Load one of the GetDP models (.pro file) through the File/Open menu, e.g. inductor.pro for the simple inductor/core example.
4. Click on Run.
5. ... that's it!

Note that on Windows, depending on your computer security settings, you might have to explicitly allow the GetDP executable to be launched by Gmsh. Manually launch GetDP once by double-clicking on getdp.exe to allow this.

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  Launch Gmsh and load the GetDP model magnet.pro with the File/Open menu.

• GmshGetDP 2.png

  Click on Run to launch a computation. You can change any parameter and then Run again!

GetDP models

Featured physical models

Electromagnetism
Simple inductor/core system Rotating electric machines Electromechanical relay Xylophone bar magnetometer Antennas Shielding effectiveness

Academic cases

These benchmarks are mainly for students and researchers who plan to propose new benchmarks using GetDP. The codes are as simple as possible in order to make learning the syntax easier.

Numerical schemes	Academic benchmarks
Laplace's equation Heat equation Electrostatics Wave propagation	Laplace equation with Neumann boundary condition Laplace equation with Dirichlet boundary condition Heat equation with Dirichlet boundary control Coupled problems Eigenvalues problems

Advanced cases for Researchers

Advanced numerical methods are presented through these benchmarks. They are mainly dedicated to researchers.

• Magnetodynamics with cohomology conditions
• Scattering in acoustics
• Time reversal in acoustics

All models

All GetDP models

How does it work?

GetDP input files (.pro files) can be instrumented to share parameters with the ONELAB server, through the same syntax as the one used in Gmsh.