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Updated: April 5th, 2024 05:56

2021 journal article

Hybrid approaches for accelerated convergence of block-Jacobi iterative methods for solution of the neutron transport equation

*JOURNAL OF COMPUTATIONAL PHYSICS*, *439*.

author keywords: Neutron transport; Iterative methods; Hybrid methods; Deterministic; Parallel

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: June 21, 2021

2021 journal article

On the Regularity Order of the Pointwise Uncollided Angular Flux and Asymptotic Convergence of the Discrete Ordinates Approximation of the Scalar Flux

*NUCLEAR SCIENCE AND ENGINEERING*, *195*(6), 598–613.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: February 22, 2021

2021 article

Solution Irregularity Remediation for Spatial Discretization Error Estimation for S-N Transport Solutions

Hart, N. H., & Azmy, Y. Y. (2021, November 8). *NUCLEAR SCIENCE AND ENGINEERING*.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: November 15, 2021

2021 article

Solution of the Neutron Transport Equation on Unstructured Grids Using the Parallel Block Jacobi-Integral Transport Matrix Method via the Novel Green's Function ITMM Construction Algorithm on Massively Parallel Computer Systems

Hoagland, D. S., Yessayan, R. A., & Azmy, Y. Y. (2021, May 10). *NUCLEAR SCIENCE AND ENGINEERING*.

author keywords: Neutron transport; massively parallel; unstructured grids; Parallel Block Jacobi

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: June 10, 2021

2020 journal article

Asymptotic convergence of the angular discretization error in the scalar flux computed from the particle transport equation with the method of discrete ordinates

*ANNALS OF NUCLEAR ENERGY*, *138*.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: March 2, 2020

2019 journal article

Sequential optimal positioning of mobile sensors using mutual information

*STATISTICAL ANALYSIS AND DATA MINING*, *12*(6), 465–478.

author keywords: Bayesian inference; inverse problem; mutual information; sensor placement; source localization

TL;DR:
While most mobile sensor strategies designate a trajectory for sensor movement, this work instead employs mutual information, based on Shannon entropy, to choose the next measurement location from a discrete set of design conditions.
(via Semantic Scholar)

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science; OpenAlex)

13. Climate Action
(Web of Science)

Sources: Web Of Science, NC State University Libraries

Added: August 12, 2019

2017 journal article

Numerical convergence and validation of the DIMP inverse particle transport model

*Nuclear Engineering and Technology*, *49*(6), 1358–1367.

UN Sustainable Development Goal Categories

3. Good Health and Well-being
(Web of Science)

Source: Crossref

Added: February 24, 2020

2017 journal article

Validation and uncertainty quantification of detector response functions for a 1″×2″ NaI collimated detector intended for inverse radioisotope source mapping applications

*Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms*, *410*, 1–15.

UN Sustainable Development Goal Categories

3. Good Health and Well-being
(Web of Science)

7. Affordable and Clean Energy
(OpenAlex)

Sources: Crossref, NC State University Libraries

Added: June 30, 2019

2016 journal article

Recent Studies on the Asymptotic Convergence of the Spatial Discretization for Two-Dimensional Discrete Ordinates Solutions

*JOURNAL OF COMPUTATIONAL AND THEORETICAL TRANSPORT*, *45*(4), 299–313.

author keywords: Discrete ordinates; Two-dimensional geometry; Asymptotic Spatial Convergence

TL;DR:
Four types of quadrature schemes are used to define discrete directions in the solution of a two-dimensional fixed-source discrete ordinates problem in Cartesian geometry and it was more clearly observed that the spatial discretization error converges asymptotically with second order for the source region with all four quadratures employed.
(via Semantic Scholar)

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2015 journal article

Comparison of spatial discretization methods for solving the S-N equations using a three-dimensional method of manufactured solutions benchmark suite with escalating order of nonsmoothness

*Nuclear Science and Engineering*, *180*(1), 1–29.

Source: NC State University Libraries

Added: August 6, 2018

2015 journal article

Iterative stability analysis of spatial domain decomposition based on block Jacobi algorithm for the diamond-difference scheme

*JOURNAL OF COMPUTATIONAL PHYSICS*, *297*, 462–479.

author keywords: Particle transport equation; Radiative transfer equation; Domain decomposition; Iterative methods; Fourier analysis

TL;DR:
Numerical results of finite-medium problems are presented and show that for finite domains iterative convergence to a finite criterion is achievable in a multiple of the sum of number of cells in each dimension.
(via Semantic Scholar)

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2015 journal article

Radiation Source Mapping with Bayesian Inverse Methods

*NUCLEAR SCIENCE AND ENGINEERING*, *179*(4), 364–380.

UN Sustainable Development Goal Categories

3. Good Health and Well-being
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2013 journal article

Using the Cartesian Discrete Ordinates Code DORT for Assembly-Level Calculations

*NUCLEAR SCIENCE AND ENGINEERING*, *173*(3), 233–258.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2012 journal article

A Robust Arbitrarily High-Order Transport Method of the Characteristic Type for Unstructured Grids

*NUCLEAR SCIENCE AND ENGINEERING*, *172*(1), 33–51.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2011 journal article

Newton's Method for Solving k-Eigenvalue Problems in Neutron Diffusion Theory

*NUCLEAR SCIENCE AND ENGINEERING*, *167*(2), 141–153.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2011 journal article

Newton's Method for the Computation of k-Eigenvalues in S-N Transport Applications

*NUCLEAR SCIENCE AND ENGINEERING*, *168*(1), 37–58.

UN Sustainable Development Goal Categories

7. Affordable and Clean Energy
(OpenAlex)

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2010 journal article

On the Degradation of Cell-Centered Diffusive Preconditioners for Accelerating S-N Transport Calculations in the Periodic Horizontal Interface Configuration

*NUCLEAR SCIENCE AND ENGINEERING*, *166*(3), 218–238.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2009 article

A posteriori error estimator and AMR for discrete ordinates nodal transport methods

Duo, J. I., Azmy, Y. Y., & Zikatanov, L. T. (2009, April). *ANNALS OF NUCLEAR ENERGY*, Vol. 36, pp. 268–273.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2009 journal article

Properties of the S-N-equivalent integral transport operator in slab geometry and the iterative acceleration of neutral particle transport methods

*Nuclear Science and Engineering*, *162*(3), 234–252.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: NC State University Libraries

Added: August 6, 2018

2009 journal article

Spatial Convergence Study of Discrete Ordinates Methods Via the Singular Characteristic Tracking Algorithm

*NUCLEAR SCIENCE AND ENGINEERING*, *162*(1), 41–55.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2009 article

TORT solutions to the NEA suite of benchmarks for 3D transport methods and codes over a range in parameter space

Bekar, K. B., & Azmy, Y. Y. (2009, April). *ANNALS OF NUCLEAR ENERGY*, Vol. 36, pp. 368–374.

UN Sustainable Development Goal Categories

11. Sustainable Cities and Communities
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2008 journal article

Computational Modelling of Genome-Side Transcription Assembly Networks Using a Fluidics Analogy

*PLOS ONE*, *3*(8).

MeSH headings : Computational Biology / methods; DNA / genetics; Gene Expression Profiling / methods; Genome; Models, Genetic; Multigene Family; Oligonucleotide Array Sequence Analysis; RNA, Messenger / genetics; Transcription Factors / genetics; Transcription, Genetic

TL;DR:
A computational tool to aid in assessing the plausibility of gene regulatory models derived from genome-wide expression profiling of cells mutant for transcription regulators derived from large genomic data sets is developed.
(via Semantic Scholar)

UN Sustainable Development Goal Categories

3. Good Health and Well-being
(Web of Science)

Source: Web Of Science

Added: August 6, 2018

2007 journal article

Comparison via parallel performance models of angular and spatial domain decompositions for solving neutral particle transport problems

*Progress in Nuclear Energy*, *49*(1), 37–60.

author keywords: neutral particle transport; discrete ordinates; parallel mesh sweep; multiprocessing; spatial domain decomposition; angular domain decomposition

TL;DR:
The primary question addressed in this work is for a given problem size, which domain decomposition scheme, angular or spatial, is best suited to parallelize discrete ordinates methods on a specific computational platform?
(via Semantic Scholar)

Source: Crossref

Added: August 28, 2020

2006 journal article

Modeling and optimization of existing beam port facility of PSBR

*Annals of Nuclear Energy*, *33*(17-18), 1391–1395.

Sources: Crossref, NC State University Libraries

Added: August 28, 2020

2006 journal article

Tort solutions to the three-dimensional MOX benchmark, 3-D Extension C5G7MOX

*Progress in Nuclear Energy*, *48*(5), 445–455.

Source: Crossref

Added: August 28, 2020

2004 journal article

Dort solutions to the two-dimensional C5G7MOXbenchmark problem

*Progress in Nuclear Energy*, *45*(2-4), 215–231.

author keywords: DORT; MOX; discrete-ordinates; benchmark; accuracy

TL;DR:
The results also illustrate DORT's high accuracy on reasonable meshes and quadrature orders, as well as the sufficiency of a crude, square, geometric approximation of the rod-moderator interface to achieve high accuracy.
(via Semantic Scholar)

Source: Crossref

Added: August 28, 2020

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