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Physics-Aware POD method for cost-effective high-fidelity PGET simulations of Water-Water Energetic Reactor irradiated fuels

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Physics-Aware POD method for cost-effective high-fidelity PGET simulations of Water-Water Energetic Reactor irradiated fuels. / Ferretti, Riccardo; Favalli, Andrea; Cavallini, Nicola et al.
In: International Journal of Modern Physics E, 03.06.2025.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Ferretti, R, Favalli, A, Cavallini, N, Bostrom, G, Fassi, A, Mercurio, G, Nonneman, S & Croft, S 2025, 'Physics-Aware POD method for cost-effective high-fidelity PGET simulations of Water-Water Energetic Reactor irradiated fuels', International Journal of Modern Physics E. https://doi.org/10.1142/s0218301325450065

APA

Ferretti, R., Favalli, A., Cavallini, N., Bostrom, G., Fassi, A., Mercurio, G., Nonneman, S., & Croft, S. (2025). Physics-Aware POD method for cost-effective high-fidelity PGET simulations of Water-Water Energetic Reactor irradiated fuels. International Journal of Modern Physics E. Advance online publication. https://doi.org/10.1142/s0218301325450065

Vancouver

Ferretti R, Favalli A, Cavallini N, Bostrom G, Fassi A, Mercurio G et al. Physics-Aware POD method for cost-effective high-fidelity PGET simulations of Water-Water Energetic Reactor irradiated fuels. International Journal of Modern Physics E. 2025 Jun 3. Epub 2025 Jun 3. doi: 10.1142/s0218301325450065

Author

Ferretti, Riccardo ; Favalli, Andrea ; Cavallini, Nicola et al. / Physics-Aware POD method for cost-effective high-fidelity PGET simulations of Water-Water Energetic Reactor irradiated fuels. In: International Journal of Modern Physics E. 2025.

Bibtex

@article{a6e812314576490f9852f15f0a45872e,
title = "Physics-Aware POD method for cost-effective high-fidelity PGET simulations of Water-Water Energetic Reactor irradiated fuels",
abstract = "The Passive Gamma Emission Tomography (PGET) system serves to verify spent nuclear fuel and detect pin-level diversions for international nuclear safeguards. Real measurements in the form of sinograms are necessary to test and enhance PGET performance, but they are both costly and scarce. High-fidelity Monte Carlo simulations can generate realistic data, yet they are computationally intensive, requiring all angular views (typically 360, one per degree, or even 720, one per half degree). This paper discusses how the Physics-Aware Proper Orthogonal Decomposition (PA-POD) method recently developed by our group can reconstruct a full Water–Water Energetic Reactor (VVER) sinogram from a limited number of high-fidelity angular views, significantly reducing computational costs. This paper reports on the method{\textquoteright}s performance, removal of the ring artifact benefits, and the procedure for constructing a comprehensive PGET library of relevant cases.",
author = "Riccardo Ferretti and Andrea Favalli and Nicola Cavallini and Gunnar Bostrom and Aurora Fassi and Giovanni Mercurio and Stefan Nonneman and Stephen Croft",
year = "2025",
month = jun,
day = "3",
doi = "10.1142/s0218301325450065",
language = "English",
journal = "International Journal of Modern Physics E",
issn = "0218-3013",
publisher = "World Scientific Pub Co Pte Ltd",

}

RIS

TY - JOUR

T1 - Physics-Aware POD method for cost-effective high-fidelity PGET simulations of Water-Water Energetic Reactor irradiated fuels

AU - Ferretti, Riccardo

AU - Favalli, Andrea

AU - Cavallini, Nicola

AU - Bostrom, Gunnar

AU - Fassi, Aurora

AU - Mercurio, Giovanni

AU - Nonneman, Stefan

AU - Croft, Stephen

PY - 2025/6/3

Y1 - 2025/6/3

N2 - The Passive Gamma Emission Tomography (PGET) system serves to verify spent nuclear fuel and detect pin-level diversions for international nuclear safeguards. Real measurements in the form of sinograms are necessary to test and enhance PGET performance, but they are both costly and scarce. High-fidelity Monte Carlo simulations can generate realistic data, yet they are computationally intensive, requiring all angular views (typically 360, one per degree, or even 720, one per half degree). This paper discusses how the Physics-Aware Proper Orthogonal Decomposition (PA-POD) method recently developed by our group can reconstruct a full Water–Water Energetic Reactor (VVER) sinogram from a limited number of high-fidelity angular views, significantly reducing computational costs. This paper reports on the method’s performance, removal of the ring artifact benefits, and the procedure for constructing a comprehensive PGET library of relevant cases.

AB - The Passive Gamma Emission Tomography (PGET) system serves to verify spent nuclear fuel and detect pin-level diversions for international nuclear safeguards. Real measurements in the form of sinograms are necessary to test and enhance PGET performance, but they are both costly and scarce. High-fidelity Monte Carlo simulations can generate realistic data, yet they are computationally intensive, requiring all angular views (typically 360, one per degree, or even 720, one per half degree). This paper discusses how the Physics-Aware Proper Orthogonal Decomposition (PA-POD) method recently developed by our group can reconstruct a full Water–Water Energetic Reactor (VVER) sinogram from a limited number of high-fidelity angular views, significantly reducing computational costs. This paper reports on the method’s performance, removal of the ring artifact benefits, and the procedure for constructing a comprehensive PGET library of relevant cases.

U2 - 10.1142/s0218301325450065

DO - 10.1142/s0218301325450065

M3 - Journal article

JO - International Journal of Modern Physics E

JF - International Journal of Modern Physics E

SN - 0218-3013

ER -