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Accretion funnels onto weakly magnetized young stars
Aims. We re-examine the conditions required to steadily deviate an accretion flow from a circumstellar disc into a magnetospheric funnel flow onto a slow rotating young forming star. Methods. NewExpand
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A new radiative cooling curve based on an up-to-date plasma emission code
This work presents a new plasma cooling curve that is calculated using the SPEX package. We compare our cooling rates to those in previous works, and implement the new cooling function in theExpand
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Formation and long-term evolution of 3D vortices in protoplanetary discs
Context. In the context of planet formation, anticyclonic vortices have recently received much attention for the role they can play in planetesimal formation. Radial migration of intermediate-sizeExpand
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  • Open Access
Stellar Winds, Dead Zones, and Coronal Mass Ejections
Axisymmetric stellar wind solutions are presented that were obtained by numerically solving the ideal magnetohydrodynamic (MHD) equations. Stationary solutions are critically analyzed using theExpand
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Observations and simulations of longitudinal oscillations of an active region prominence
Context. Filament longitudinal oscillations have been observed on the solar disk in H�. Aims. We intend to find an example of the longitudinal oscillations of a prominence, where the magnetic dip canExpand
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Hybrid block-AMR in cartesian and curvilinear coordinates: MHD applications
tl;dr
We present a novel, hybrid block-adaptive scheme for use in solving sets of near-conservation laws in general orthogonal coordinate systems, including hydro- and magnetohydrodynamic applications. Expand
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Advanced Magnetohydrodynamics: With Applications to Laboratory and Astrophysical Plasmas
Preface Part III. Flow and Dissipation: 12. Waves and instabilities of stationary plasmas 13. Shear flow and rotation 14. Resistive plasma dynamics 15. Computational linear MHD Part IV. ToroidalExpand
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COMPUTING THE DUST DISTRIBUTION IN THE BOW SHOCK OF A FAST-MOVING, EVOLVED STAR
We study the hydrodynamical behavior occurring in the turbulent interaction zone of a fast-moving red supergiant star, where the circumstellar and interstellar material collide. In thisExpand
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  • Open Access
Parametric survey of longitudinal prominence oscillation simulations
Context. Longitudinal filament oscillations recently attracted increasing attention, while the restoring force and the damping mechanisms are still elusive.
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  • Open Access
Adaptive Mesh Refinement for conservative systems: multi-dimensional efficiency evaluation
Abstract Obtainable computational efficiency is evaluated when using an Adaptive Mesh Refinement (AMR) strategy in time accurate simulations governed by sets of conservation laws. For a variety ofExpand
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  • Open Access