Dr Andrew Buchan
BSc MSc PhD,
All Publications
Page 1 of 2
2025
- A parametric non-linear non-intrusive reduce-order model using deep transfer learning
Fu R, Xiao D, Buchan AG, Lin X, Feng Y and Dong G
Computer Methods in Applied Mechanics and Engineering, Elsevier vol. 438
01-04-2025
2024
- A reduced order model discretisation of the space-angle phase-space dimensions of the Boltzmann transport equation with application to nuclear reactor problems
Buchan AG, Navon IM and Yang L
Journal of Computational Physics, Elsevier vol. 517, 113268-113268.
10-07-2024
2023
- Computational Modelling in Nuclear Science and Engineering: The Role of Artificial Intelligence
Pain C, Tehrani A, Heaney C, Chen B, Nwegbu K, Phillips T, Jones A, Dargaville S, Buchan A, Smith P, Bankhead M and Cacuci D
Nuclear Future vol. 19 (5), 42-50.
01-09-2023 - Solving the Discretised Neutron Diffusion Equations using Neural Networks
toby P, heaney C, Chen B, Buchan A and Pain C
International Journal For Numerical Methods in Engineering, Wiley
12-07-2023
2022
- Authors reply to comment by Michio Aoyama on “Development of a gamma ray dose rate calculation and mapping tool for Lagrangian marine nuclear emergency response models” by Little et al.
Little A, Piggott MD and Buchan AG
Marine Pollution Bulletin, Elsevier vol. 184
10-10-2022 - An adaptive reduced order model for the angular discretization of the Boltzmann transport equation using independent basis sets over a partitioning of the space-angle domain
Hughes AC and Buchan AG
International Journal For Numerical Methods in Engineering vol. 123 (16), 3781-3799.
30-08-2022 - Optimised Adjoint Sensitivity Analysis Using Adjoint Guided Mesh Adaptivity Applied to Neutron Detector Response Calculations
Buchan AG, Cacuci DG, Dargaville S and Pain CC
Energies, Mdpi vol. 15 (14), 5102-5102.
13-07-2022 - Development of a gamma ray dose rate calculation and mapping tool for Lagrangian marine nuclear emergency response models
Little A, Piggott MD and Buchan AG
Marine Pollution Bulletin, Elsevier vol. 181
08-07-2022 - Inactivation Rates for Airborne Human Coronavirus by Low Doses of 222 nm Far-UVC Radiation
Welch D, Buonanno M, Buchan AG, Yang L, Atkinson KD, Shuryak I and Brenner DJ
Viruses, Mdpi vol. 14 (4)
25-03-2022
2021
- Improved estimates of 222 nm far-UVC susceptibility for aerosolized human coronavirus via a validated high-fidelity coupled radiation-CFD code
Buchan AG, Yang L, Welch D, Brenner DJ and Atkinson KD
Scientific Reports, Springer Nature vol. 11 (1)
07-10-2021 - Reduced-order modelling applied to the multigroup neutron diffusion equation using a nonlinear interpolation method for control-rod movement
Heaney CE, Buchan AG, Pain CC and Jewer S
Energies vol. 14 (5)
01-03-2021 - A comparison of element agglomeration algorithms for unstructured geometric multigrid
Dargaville S, Buchan AG, Smedley-Stevenson RP, Smith PN and Pain CC
Journal of Computational and Applied Mathematics, Elsevier vol. 390
12-01-2021
2020
- Predicting airborne coronavirus inactivation by far-UVC in populated rooms using a high-fidelity coupled radiation-CFD model
Buchan AG, Yang L and Atkinson KD
Scientific Reports, Springer Nature vol. 10 (1)
12-11-2020 - A discontinuous and adaptive reduced order model for the angular discretization of the Boltzmann transport equation
Hughes AC and Buchan AG
International Journal For Numerical Methods in Engineering, Wiley vol. 121 (24), 5647-5666.
20-09-2020 - A three-phase interpenetrating continua approach for wave and porous structure interaction
Yang L, Buchan A, Pavlidis D, Jones A, Smith P, Sakai M and Pain C
Engineering Computations, Emerald Publishing Limited.
14-05-2020
2019
- Scalable angular adaptivity for Boltzmann transport
Dargaville S, Buchan AG, Smedley-Stevenson RP, Smith PN and Pain CC
Journal of Computational Physics, Elsevier Bv, 109124-109124.
20-11-2019 - Angular adaptivity with spherical harmonics for Boltzmann transport
Dargaville S, Buchan AG, Smedley-Stevenson RP, Smith PN and Pain CC
Journal of Computational Physics, Elsevier Bv vol. 397, 108846-108846.
31-07-2019 - A combined immersed body and adaptive mesh method for simulating neutron transport within complex structures
Buchan AG, Dargaville S and Pain CC
Annals of Nuclear Energy, Elsevier Bv vol. 134, 88-100.
11-06-2019 - An angular reduced order model for radiative transfer in non grey media
BUCHAN AG
Journal of Quantitative Spectroscopy and Radiative Transfer, Elsevier
09-03-2019 - A Reduced Order Model for the Fast Predictions of Reactivity and Neutron Distributions within Reactor Cores
Buchan A, Jewer S and Navon IM
International Conference On Computational & Experimental Engineering and Sciences, Tech Science Press vol. 22 (4), 179-179.
01-01-2019 - Adaptive Modelling for Multiphase Flow Through Debris Bed With Boiling
Yang L, Buchan A, Jones A, Smith P, Sakai M and Pain C
International Conference On Computational & Experimental Engineering and Sciences, Tech Science Press vol. 22 (1), 95-95.
01-01-2019
2018
- A Haar Wavelet Method for Angularly Discretising the Boltzmann Transport Equation
Adigun BJ, BUCHAN AG, Adam A, Dargaville S, Goffin MA and Pain CC
Progress in Nuclear Energy, Elsevier
13-06-2018 - Reactor simulators and reduced order modeling
Heaney CE, Pain CC, Buchan AG and Jewer S
Nuclear Future vol. 14 (3), 49-54.
01-01-2018
2017
- A goal-based angular adaptivity method for thermal radiation modelling in non grey media
Soucasse L, Dargaville S, Buchan AG and Pain CC
Journal of Quantitative Spectroscopy and Radiative Transfer vol. 200, 215-224.
19-06-2017 - Adaptive angle and parallel multigrid for deterministic shielding problems
Dargaville S, Buchan A, Smedley-Stevenson R, Smith P and Pain C
Epj Web of Conferences, Edp Sciences vol. 153
01-01-2017
2016
- An efficient space-angle subgrid scale discretisation of the neutron transport equation
Buchan AG and Pain CC
Annals of Nuclear Energy, Elsevier vol. 94, 440-450.
01-08-2016
2015
- Solving the Boltzmann transport equation with multigrid and adaptive space/angle discretisations
Dargaville S, Goffin MA, Buchan AG, Pain CC, Smedley-Stevenson RP, Smith PN and Gorman G
Annals of Nuclear Energy, Elsevier vol. 86, 99-107.
01-12-2015 - Adaptive Haar wavelets for the angular discretisation of spectral wave models
Adam A, Buchan AG, Piggott MD, Pain CC, Hill J and Goffin MA
Journal of Computational Physics vol. 305, 521-538.
02-11-2015 - Non-intrusive reduced order modelling of the Navier–Stokes equations
Xiao D, Fang F, Buchan AG, Pain CC, Navon IM and Muggeridge A
Computer Methods in Applied Mechanics and Engineering vol. 293, 522-541.
28-05-2015 - A POD reduced order model for resolving angular direction in neutron/photon transport problems
Buchan AG, Calloo AA, Goffin MG, Dargaville S, Fang F, Pain CC and Navon IM
Journal of Computational Physics vol. 296, 138-157.
04-05-2015
2014
- Goal-based angular adaptivity applied to a wavelet-based discretisation of the neutral particle transport equation
Goffin MA, Buchan AG, Dargaville S, Pain CC, Smith PN and Smedley-Stevenson RP
Journal of Computational Physics vol. 281, 1032-1062.
06-11-2014 - Reduced order modelling of an unstructured mesh air pollution model and application in 2D/3D urban street canyons
Fang F, Zhang T, Pavlidis D, Pain CC, Buchan AG and Navon IM
Atmospheric Environment, Elsevier vol. 96, 96-106.
01-10-2014 - Adjoint eigenvalue correction for elliptic and hyperbolic neutron transport problems
Merton SR, Smedley-Stevenson RP, Pain CC and Buchan AG
Progress in Nuclear Energy, Elsevier vol. 76, 1-16.
01-09-2014 - Goal-based angular adaptivity applied to the spherical harmonics discretisation of the neutral particle transport equation
Goffin MA, Buchan AG, Belme AC, Pain CC, Eaton MD, Smith PN and Smedley-Stevenson RP
Annals of Nuclear Energy, Elsevier vol. 71, 60-80.
01-09-2014 - An immersed body method for coupled neutron transport and thermal hydraulic simulations of PWR assemblies
Jewer S, Buchan AG, Pain CC and Cacuci DG
Annals of Nuclear Energy, Elsevier vol. 68, 124-135.
01-06-2014 - Non-linear model reduction for the Navier–Stokes equations using residual DEIM method
Xiao D, Fang F, Buchan AG, Pain CC, Navon IM, Du J and Hu G
Journal of Computational Physics, Elsevier vol. 263, 1-18.
01-04-2014 - Reduced order borehole induction modelling
Ardjmandpour N, Pain CC, Fang F, Buchan AG, Singer J, Player MA, Xu X, Navon IM and Carter J
International Journal of Computational Fluid Dynamics, Taylor & Francis vol. 28 (3-4), 140-157.
16-03-2014 - The immersed body supermeshing method for modelling reactor physics problems with complex internal structures
Buchan AG, Farrell PE, Gorman GJ, Goddard AJH, Eaton MD, Nygaard ET, Angelo PL, Smedley-Stevenson RP, Merton SR and Smith PN
Annals of Nuclear Energy, Elsevier vol. 63, 399-408.
01-01-2014
2013
- A POD reduced‐order model for eigenvalue problems with application to reactor physics
Buchan AG, Pain CC, Fang F and Navon IM
International Journal For Numerical Methods in Engineering, Wiley vol. 95 (12), 1011-1032.
03-07-2013 - Minimising the error in eigenvalue calculations involving the Boltzmann transport equation using goal-based adaptivity on unstructured meshes
Goffin MA, Baker CMJ, Buchan AG, Pain CC, Eaton MD and Smith PN
Journal of Computational Physics, Elsevier vol. 242, 726-752.
01-06-2013 - Goal based mesh adaptivity for fixed source radiation transport calculations
Baker CMJ, Buchan AG, Pain CC, Tollit BS, Goffin MA, Merton SR and Warner P
Annals of Nuclear Energy, Elsevier vol. 55, 169-183.
01-05-2013 - An adjoint-based method for improving computational estimates of a functional obtained from the solution of the Boltzmann Transport Equation
Merton SR, Buchan AG, Pain CC and Smedley-Stevenson RP
Annals of Nuclear Energy, Elsevier vol. 54, 1-10.
01-04-2013 - Multimesh anisotropic adaptivity for the Boltzmann transport equation
Baker CMJ, Buchan AG, Pain CC, Farrell PE, Eaton MD and Warner P
Annals of Nuclear Energy, Elsevier vol. 53, 411-426.
01-03-2013 - Non-linear Petrov–Galerkin methods for reduced order modelling of the Navier–Stokes equations using a mixed finite element pair
Xiao D, Fang F, Du J, Pain CC, Navon IM, Buchan AG, ElSheikh AH and Hu G
Computer Methods in Applied Mechanics and Engineering, Elsevier vol. 255, 147-157.
01-03-2013 - Simulated spatially dependent transient kinetics analysis of the Oak Ridge Y12 plant criticality excursion
Buchan AG, Pain CC, Tollit BS, Gomes JLMA, Eaton MD, Gorman GJ, Cooling CM, Goddard AJH, Nygaard ET, Angelo PL and Smith PN
Progress in Nuclear Energy, Elsevier vol. 63, 12-21.
01-03-2013
2012
- Simulated transient dynamics and heat transfer characteristics of the water boiler nuclear reactor – SUPO – with cooling coil heat extraction
Buchan AG, Pain CC, Goddard AJH, Eaton MD, Gomes JLMA, Gorman GJ, Cooling CM, Tollit BS, Nygaard ET, Glenn DE and Angelo PL
Annals of Nuclear Energy, Elsevier vol. 48, 68-83.
01-10-2012 - Quadratic inner element subgrid scale discretisation of the Boltzmann transport equation
Baker CMJ, Buchan AG, Pain CC, Tollit B, Eaton MD and Warner P
Annals of Nuclear Energy, Elsevier vol. 45, 124-137.
01-07-2012 - A sub‐grid scale finite element agglomeration multigrid method with application to the Boltzmann transport equation
Buchan AG, Pain CC, Umpleby AP and Smedley‐Stevenson RP
International Journal For Numerical Methods in Engineering, Wiley vol. 92 (3), 318-342.
12-06-2012
2011
- Riemann boundary conditions for the Boltzmann transport equation using arbitrary angular approximations
Buchan AG, Merton SR, Pain CC and Smedley-Stevenson RP
Annals of Nuclear Energy, Elsevier vol. 38 (5), 1186-1195.
01-05-2011
2010
- The Inner-Element Subgrid Scale Finite Element Method for the Boltzmann Transport Equation
Buchan AG, Candy AS, Merton SR, Pain CC, Hadi JI, Eaton MD, Goddard AJH, Smedley-Stevenson RP and Pearce GJ
Nuclear Science and Engineering, Taylor & Francis vol. 164 (2), 105-121.
01-02-2010