Modelling of Solar Granulation
Implementation and Comparison of Numerical Schemes
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The mathematical part covers the implementation andcomparison of different numerical schemes to solvethe equations of radiation hydrodynamics. One and thesame two-dimensional model of solar granulation issimulated with different high resolution numericalmethods (essentially non-oscillatory and convexnon-oscillatory) and non-grey short characteristicradiative transfer. Furthermore the influence ofartificial diffusivities is studied. The second partcovers two astrophysical applications. Atwo-dimensional non-grey high resolution simulationof a downflowing plume in the sun and a greythree-dimensio...
The mathematical part covers the implementation and
comparison of different numerical schemes to solve
the equations of radiation hydrodynamics. One and the
same two-dimensional model of solar granulation is
simulated with different high resolution numerical
methods (essentially non-oscillatory and convex
non-oscillatory) and non-grey short characteristic
radiative transfer. Furthermore the influence of
artificial diffusivities is studied. The second part
covers two astrophysical applications. A
two-dimensional non-grey high resolution simulation
of a downflowing plume in the sun and a grey
three-dimensional simulation of the quiet sun are
presented.
comparison of different numerical schemes to solve
the equations of radiation hydrodynamics. One and the
same two-dimensional model of solar granulation is
simulated with different high resolution numerical
methods (essentially non-oscillatory and convex
non-oscillatory) and non-grey short characteristic
radiative transfer. Furthermore the influence of
artificial diffusivities is studied. The second part
covers two astrophysical applications. A
two-dimensional non-grey high resolution simulation
of a downflowing plume in the sun and a grey
three-dimensional simulation of the quiet sun are
presented.
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