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A moving mesh unstaggered constrained transport scheme for magnetohydrodynamics
Philip Mocz, Ruediger Pakmor, Volker Springel +3
We present a constrained transport (CT) algorithm for solving the 3D ideal magnetohydrodynamic (MHD) equations on a moving mesh, which maintains the divergence-free condition on th…
Reducing noise in moving-grid codes with strongly-centroidal Lloyd mesh regularization
Philip Mocz, Mark Vogelsberger, Rudiger Pakmor +3
A method for improving the accuracy of hydrodynamical codes that use a moving Voronoi mesh is described. Our scheme is based on a new regularization scheme that constrains the mesh…
A Constrained Transport Scheme for MHD on Unstructured Static and Moving Meshes
Philip Mocz, Mark Vogelsberger, Lars Hernquist
Magnetic fields play an important role in many astrophysical systems and a detailed understanding of their impact on the gas dynamics requires robust numerical simulations. Here we…
Following the flow: tracer particles in astrophysical fluid simulations
Shy Genel, Mark Vogelsberger, Dylan Nelson +3
We present two numerical schemes for passive tracer particles in the hydrodynamical moving-mesh code AREPO, and compare their performance for various problems, from simple setups t…
Multi-Dimensional, Compressible Viscous Flow on a Moving Voronoi Mesh
Diego Muñoz, Volker Springel, Robert Marcus +2
Numerous formulations of finite volume schemes for the Euler and Navier-Stokes equations exist, but in the majority of cases they have been developed for structured and stationary…