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[ascl:2206.001] vortex: Helmholtz-Hodge decomposition for an AMR velocity field

vortex performs a Helmholtz-Hodge decomposition on vector fields defined on AMR grids, decomposing a vector field in its solenoidal (divergence-less) and compressive (curl-less) parts. It works natively on vector fields defined on Adaptive Mesh Refinement (AMR) grids, so that it can perform the decomposition over large dynamical ranges; it is also applicable to particle-based simulations. As vortex is devised primarily to investigate the properties of the turbulent velocity field in the Intracluster Medium (ICM), it also includes routines for multi-scale filtering the velocity field.

Code site:
https://github.com/dvallesp/vortex
Used in:
https://ui.adsabs.harvard.edu/abs/2021MNRAS.504..510V
Described in:
https://ui.adsabs.harvard.edu/abs/2021CoPhC.26307892V
Bibcode:
2022ascl.soft06001V

Views: 331

ascl:2206.001
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