Publication Type
Conference Paper
Publication Date
Page Numbers
271 to 276
Volume
474
Conference Name
ASTRONUM-2012 - the 7th Annual International Conference on Numerical Modeling of Space Plasma Flows
Conference Location
Kona-Kailua, Hawaii, United States of America
Conference Date
-
Abstract
We describe methods for accurate and efficient long term time integra- tion of non-equilibrium radiation diffusion systems: implicit time integration for effi- cient long term time integration of stiff multiphysics systems, local control theory based step size control to minimize the required global number of time steps while control- ling accuracy, dynamic 3D adaptive mesh refinement (AMR) to minimize memory and computational costs, Jacobian Free Newton-Krylov methods on AMR grids for efficient nonlinear solution, and optimal multilevel preconditioner components that provide level independent solver convergence.
