Volume 546, October 2012
|Number of page(s)||6|
|Section||Numerical methods and codes|
|Published online||02 October 2012|
A 3D radiative transfer framework
IX. Time dependence
1 Hamburger Sternwarte, Gojenbergsweg 112, 21029 Hamburg, Germany
e-mail: firstname.lastname@example.org; email@example.com
2 Departamento de Astronomía, Universidad de Guanajuato, Apartado Postal 144, 36000 Guanajuato, Mexico
3 Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, 440 W Brooks, Rm 100, Norman, OK 73019-2061, USA
Received: 26 September 2011
Accepted: 29 August 2012
Context. Time-dependent, 3D radiation transfer calculations are important for the modeling of a variety of objects, from supernovae and novae to simulations of stellar variability and activity. Furthermore, time-dependent calculations can be used to obtain a 3D radiative equilibrium model structure via relaxation in time.
Aims. We extend our 3D radiative transfer framework to include direct time dependence of the radiation field; i.e., the ∂I/∂t terms are fully considered in the solution of radiative transfer problems.
Methods. We build on the framework that we have described in previous papers in this series and develop a subvoxel method for the ∂I/∂t terms.
Results. We test the implementation by comparing the 3D results to our well tested 1D time dependent radiative transfer code in spherical symmetry. A simple 3D test model is also presented.
Conclusions. The 3D time dependent radiative transfer method is now included in our 3D RT framework and in PHOENIX/3D.
Key words: radiative transfer / methods: numerical / supernovae: general
© ESO, 2012
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.