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Discharge modeling in the Multiscale Dynamics group at CWI

One of the main research topics of the Multiscale Dynamics group at CWI is the modeling of streamer discharges. On this Wiki you can find (among other things)

  1. An introduction to the different codes that we use
  2. The source code itself
  3. Documentation and instructions

The codes are made available under the GPLv3 license. You can ask questions via e-mail or at the questions page, and we will try to help out if we have time.

Now why do we provide our simulation code online? For the following reasons:

  • So that others can use or copy (part of) it, or can extract ideas from it.
  • So that (published) results can be reproduced and checked.
  • To get feedback and suggestions from others, as to improve our work.

What we do not want you to do is:

To expect any guarantee for support or assistance. We are usually very busy, (un)fortunately. Use our simulation code in the wrong way to generate bad results, and then blame us!


An introduction to streamers can be found on Wikipedia at Streamer Discharge.

Simulation codes

At the moment we are using two codes: a 2.5D fluid code and a 3D particle code.

If you click on the links, you will find access to the source code, documentation, installation instructions and examples.


Much of our code is developed in Fortran 90. Some of our observations on programming in Fortran, as well as useful code snippets can be found at the Fortran page.