codes:afivo
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codes:afivo [2016/10/10 10:55] – [Streamer model in Afivo] jannis | codes:afivo [2016/10/13 12:28] (current) – Delete page (refer to Gitlab from now on) jannis | ||
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- | ===== Afivo: Adaptive Finite Volume Octree ===== | ||
- | Afivo is a framework for adaptive finite volume simulations, | ||
- | **simplicity**. Some of its features are: | ||
- | |||
- | * Quadtree (2D) and octree (3D) grids | ||
- | * OpenMP parallelism | ||
- | * A geometric multigrid solver for elliptic PDEs | ||
- | * Output in VTK unstructured and Silo file formats | ||
- | |||
- | The framework is described in the this {{codes: | ||
- | The latest version of the project' | ||
- | [[https:// | ||
- | includes in the /examples/ directory, which can help to get started. | ||
- | |||
- | ==== Afivo-streamer ==== | ||
- | |||
- | **Afivo-streamer** is a streamer discharge model implemented on top of Afivo. The project is still in development, | ||
- | |||
- | * A 2D, cylindrical and 3D version | ||
- | * A drift-diffusion-reaction plasma fluid model, using the local field approximation | ||
- | * Modules to read in field-dependent transport data | ||
- | * A Monte Carlo photoionization model | ||
- | * A refinement criterion based on the local electric field (i.e., on the ionization length) | ||
- | * Support for different types of initial conditions | ||
- | |||
- | Time stepping is fully explicit, using explicit trapezoidal rule, and the Koren | ||
- | limiter is used to compute advective fluxes. The source code of **a5-streamer** | ||
- | can also be found on [[https:// |
codes/afivo.1476096957.txt.gz · Last modified: 2025/04/17 13:58 (external edit)