### Abstract

The Pencil Code is a highly modular physics-oriented simulation code
that can be adapted to a wide range of applications. It is primarily
designed to solve partial differential equations (PDEs) of compressible
hydrodynamics and has lots of add-ons ranging from astrophysical
magnetohydrodynamics (MHD) to meteorological cloud microphysics and
engineering applications in combustion. Nevertheless, the framework is
general and can also be applied to situations not related to
hydrodynamics or even PDEs, for example when just the message passing
interface or input/output strategies of the code are to be used. The
code can also evolve Lagrangian (inertial and noninertial) particles,
their coagulation and condensation, as well as their interaction with
the fluid.

Original language | English |
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Journal | JOURNAL OF OPEN SOURCE SOFTWARE |

Publication status | Submitted - 1 Sep 2020 |

MoE publication type | A1 Journal article-refereed |

### Keywords

- Astrophysics - Instrumentation and Methods for Astrophysics
- Astrophysics - Cosmology and Nongalactic Astrophysics
- Astrophysics - Solar and Stellar Astrophysics
- Physics - Fluid Dynamics

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## Cite this

Brandenburg, A., Johansen, A., Bourdin, P. A., Dobler, W., Lyra, W., Rheinhardt, M., Bingert, S., Haugen, N. E. L., Mee, A., Gent, F., Babkovskaia, N., Yang, C-C., Heinemann, T., Dintrans, B., Mitra, D., Candelaresi, S., Warnecke, J., Käpylä, P. J., Schreiber, A., ... Qian, C. (2020). The Pencil Code, a modular MPI code for partial differential equations and particles: multipurpose and multiuser-maintained. Manuscript submitted for publication. http://adsabs.harvard.edu/abs/2020arXiv200908231B