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pro vyhledávání: '"Paul F. Nowak"'
Publikováno v:
Nuclear Science and Engineering. 194:939-951
We apply a nonlinearly preconditioned, quasi-Newton framework to accelerate the numerical solution of the thermal radiative transfer (TRT) equations. This framework was inspired by the unpublished ...
Autor:
Paul F. Nowak, Marvin L. Adams
Publikováno v:
Journal of Computational Physics. 146:366-403
We consider a time-dependent, energy-dependent, nonlinear radiative transfer problem in which opacities are large O(??1)] and interior sources are small O(?)]. An asymptotic analysis of this problem as ??0 leads to the equilibrium diffusion equation
Publikováno v:
Nuclear Science and Engineering. 125:257-283
A family of transport synthetic acceleration (TSA) methods for iteratively solving within-group scattering problems is presented. A single iteration in these schemes consists of a transport sweep f...
Publikováno v:
The Journal of Environmental Education. 12:3-10
Autor:
Paul F. Nowak
Publikováno v:
The Journal of Environmental Education. 15:27-31
All too often, evaluation is not used as the important management tool it could be, because educators feel inadequately prepared to use complex evaluation techniques. “Direct evaluation,” as a research concept, is based on the idea of “research
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