gandalf – Graphical Astrophysics code for N-body Dynamics And Lagrangian Fluids

Abstract GANDALF is a new hydrodynamics and N-body dynamics code designed for investigating planet formation, star formation and star cluster problems. GANDALF is written in c++, parallelized with both openmp and mpi and contains a python library for analysis and visualization. The code has been wri...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 2018-01, Vol.473 (2), p.1603-1632
Main Authors: Hubber, D. A., Rosotti, G. P., Booth, R. A.
Format: Article
Language:English
Subjects:
Astrophysics
Finite element method
Fluid dynamics
Fluid flow
Fluid mechanics
Hydrodynamics
Meshless methods
Parallel processing
Planet formation
Smooth particle hydrodynamics
Star & galaxy formation
Star clusters
Star formation
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Summary:Abstract GANDALF is a new hydrodynamics and N-body dynamics code designed for investigating planet formation, star formation and star cluster problems. GANDALF is written in c++, parallelized with both openmp and mpi and contains a python library for analysis and visualization. The code has been written with a fully object-oriented approach to easily allow user-defined implementations of physics modules or other algorithms. The code currently contains implementations of smoothed particle hydrodynamics, meshless finite-volume and collisional N-body schemes, but can easily be adapted to include additional particle schemes. We present in this paper the details of its implementation, results from the test suite, serial and parallel performance results and discuss the planned future development. The code is freely available as an open source project on the code-hosting website github at https://github.com/gandalfcode/gandalf and is available under the GPLv2 license.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stx2405