Search Results - "Botes, Danniell"
-
1
Dual number automatic differentiation as applied to two-group cross-section uncertainty propagation
Published in Nuclear technology & radiation protection (2021)“…This work addresses the problem of propagating uncertainty from group-wise neutron cross-sections to the results of neutronics diffusion calculations…”
Get full text
Journal Article -
2
Demonstration of prospective application of the dual number automatic differentiation for uncertainty propagation in neutronic calculations
Published in Annals of nuclear energy (01-02-2021)“…•Overview of the dual number (DN) arithmetic and DN automatic differentiation (DNAD).•Dual number arithmetic is applied in solving infinite homogeneous…”
Get full text
Journal Article -
3
Polynomial interpolation of few-group neutron cross sections on sparse grids
Published in Annals of nuclear energy (01-02-2014)“…•We interpolate few group homogenized cross sections of three different LWRs.•Multivariate hierarchical interpolation is based on mean weighted residual…”
Get full text
Journal Article -
4
A study of the performance of a sparse grid cross section representation methodology as applied to MOX fuel
Published in Annals of nuclear energy (01-01-2017)“…•We interpolate few group homogenized cross sections of a PWR MOX assembly.•Two different group structures are investigated.•Representations are built for…”
Get full text
Journal Article -
5
Coupled 3D neutronics/thermal hydraulics modeling of the SAFARI-1 MTR
Published in Annals of nuclear energy (01-11-2014)“…•Development of 3D coupled neutronics/thermal–hydraulic model of SAFARI-1.•Verification of 3D steady-state NEM based neutronics model for…”
Get full text
Journal Article -
6
Dual number automatic differentiation as applied to two-group cross-section uncertainty propagation
Published in Nuclear technology & radiation protection (01-06-2021)“…This work addresses the problem of propagating uncertainty from group-wise neutron cross-sections to the results of neutronics diffusion calculations…”
Get full text
Journal Article