A 2-GRID ACCELERATION SCHEME FOR THE MULTIGROUP S-N EQUATIONS WITH NEUTRON UPSCATTERING Academic Article

abstract

• A two-grid acceleration scheme for the multigroup Sn equations with neutron upscattering is developed. Although it has been tested only in one-dimensional slab geometry with linear-discontinuous spatial differencing, previous experience suggests that it should be applicable in any geometry with any spatial differencing scheme for which an unconditionally efficient diffusion-synthetic acceleration scheme exists. The method is derived, theoretically analyzed, and computationally tested. The results indicate that the scheme is unconditionally effective in terms of error reduction per iteration and highly efficient in terms of computational cost.

authors

• Morel, Jim

published proceedings

• NUCLEAR SCIENCE AND ENGINEERING

author list (cited authors)

• ADAMS, B. T., & MOREL, J. E.

citation count

• 36

complete list of authors

• ADAMS, BT||MOREL, JE

publication date

• November 1993

publisher

• Taylor & Francis  Publisher

published in

• Nuclear Science and Engineering  Journal

keywords

• 40 Engineering
• 4006 Communications Engineering

Digital Object Identifier (DOI)

• 10.13182/NSE115-253

start page

• 253

end page

• 264

volume

• 115

issue

• 3

URL

• http://dx.doi.org/10.13182/nse115-253