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A multigrid Newton-Krylov method for flux-limited radiation diffusion

Conference ·
OSTI ID:666039
The authors focus on the integration of radiation diffusion including flux-limited diffusion coefficients. The nonlinear integration is accomplished with a Newton-Krylov method preconditioned with a multigrid Picard linearization of the governing equations. They investigate the efficiency of the linear and nonlinear iterative techniques.
Research Organization:
Los Alamos National Lab., Applied Theoretical and Computational Physics Div., NM (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
666039
Report Number(s):
LA-UR--98-1075; CONF-980393--; ON: DE98006327
Country of Publication:
United States
Language:
English

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