activity
20152018
most citedMultigrid In Energy Preconditioner for Krylov Solvers

27 citations · 71 across the 10 of their papers we have counts for

collaborators

11 papers

nucl-th2018★ 19 cited

A Spectral Approach for Solving the Nonclassical Transport Equation

R. Vasques, L. R. C. Moraes, R. C. Barros +1

This paper introduces a mathematical approach that allows one to numerically solve the nonclassical transport equation in a deterministic fashion using classical numerical procedur…

cs.NE2018

Gnowee: A Hybrid Metaheuristic Optimization Algorithm for Constrained, Black Box, Combinatorial Mixed-Integer Design

James Bevins, Rachel Slaybaugh

This paper introduces Gnowee, a modular, Python-based, open-source hybrid metaheuristic optimization algorithm (Available from https://github.com/SlaybaughLab/Gnowee). Gnowee is de…

physics.comp-ph2018

Weighted Delta-Tracking in Scattering Media

J. S. Rehak, L. M. Kerby, M. D. DeHart +1

In this work, we expand the weighted delta-tracking routine to include a treatment for scattering. The weighted delta-tracking routine adds survival biasing to normal delta-trackin…

math.NA2017★ 10 cited

Eigenvalue Solvers for Modeling Nuclear Reactors on Leadership Class Machines

R. N. Slaybaugh, M. Ramirez-Zweiger, Tara Pandya +2

Three complementary methods have been implemented in the code Denovo that accelerate neutral particle transport calculations with methods that use leadership-class computers fully…

math.NA2016★ 27 cited

Multigrid In Energy Preconditioner for Krylov Solvers

R. N. Slaybaugh, T. M. Evans, G. G. Davidson +1

We have added a new multigrid in energy (MGE) preconditioner to the Denovo discrete-ordinates radiation transport code. This preconditioner takes advantage of a new multilevel para…

math.NA2016★ 1 cited

FW/CADIS-: An angle-informed hybrid method for deep-penetration radiation transport

Madicken Munk, R. N. Slaybaugh, Tara M. Pandya +2

A new method for generating variance reduction parameters for strongly anisotropic, deep-penetration radiation shielding studies is presented. This method generates an alternate fo…