Numerical approximation of the nonlinear time-fractional telegraph equation arising in neutron transport

O Nikan, Z Avazzadeh, JAT Machado - Communications in Nonlinear …, 2021 - Elsevier
This paper focusses on the numerical solution of the nonlinear time-fractional telegraph
equation formulated in the Caputo sense. This model is a useful description of the neutron …

A new compartmental fractional neutron point kinetic equations with different fractional orders

G Espinosa-Paredes, CA Cruz-López - Nuclear Engineering and Design, 2024 - Elsevier
Fractional models of the Neutron Point Kinetic Equations have been developed to overcome
certain limitations related to the classical approaches, considering more general physical …

Solution of nonlinear fractional-order models of nuclear reactor with parallel computing: Implementation on GPU platform

YC Keluskar, NG Singhaniya, VA Vyawahare… - Annals of Nuclear …, 2024 - Elsevier
This paper present novel parallel computing algorithms for numerical solution of nonlinear
fractional-order (FO) models of nuclear reactor. These FO models arise by virtue of …

[图书][B] Fractional-order Modeling of nuclear reactor: from subdiffusive neutron transport to control-oriented models: a systematic approach

V Vyawahare, PSV Nataraj - 2018 - books.google.com
This book addresses the topic of fractional-order modeling of nuclear reactors. Approaching
neutron transport in the reactor core as anomalous diffusion, specifically subdiffusion, it …

[HTML][HTML] Solution of a new model of fractional telegraph point reactor kinetics using differential transformation method

YM Hamada - Applied Mathematical Modelling, 2020 - Elsevier
A new model of fractional telegraph point reactor kinetics FTPRK is introduced to
approximate the time dependent Boltzmann transport equation considering new terms that …

Subdiffusive processes in BWRs

G Espinosa-Paredes, VA Vyawahare… - … Engineering and Design, 2024 - Elsevier
The objective of this work is the analysis of subdiffusive processes in BWR reactors. Nuclear
reactors are highly heterogeneous systems where the phenomena at the reactor scale are …

Novel solution to the fractional neutron point kinetic equation using conformable derivatives

G Fernández-Anaya, S Quezada-García… - Annals of Nuclear …, 2021 - Elsevier
This work presents a novel solution to Fractional-model equations, it is based on the
applying of conformal derivative to fractional calculus and thus obtain a linear multi-term …

Finite difference scheme on graded meshes to the time-fractional neutron diffusion equation with non-smooth solutions

Y Xie, D Yin, L Mei - Applied Mathematics and Computation, 2022 - Elsevier
In this paper, we construct and analyze an efficient numerical scheme based on graded
meshes in time for solving the fractional neutron diffusion equation with delayed neutrons …

Novel numerical solution to the fractional neutron point kinetic equation in nuclear reactor dynamics

MA Polo-Labarrios, S Quezada-García… - Annals of Nuclear …, 2020 - Elsevier
In this work, a novel numerical solution to modified Fractional Neutron Point Kinetic (FNPK)
equations is presented. The method is based on a numerical solution to linear multi-term …

[HTML][HTML] Stability analysis in BWRs with double subdiffusion effects: Reduced order fractional model (DS-F-ROM)

G Espinosa-Paredes, RI Cázares-Ramírez… - Nuclear Engineering …, 2024 - Elsevier
The aim of this work is to explore the effect of the double subdiffusion on the stability in
BWRs. A BWR novel reduced order model with double subdiffusion effects: reduced order …