Publications de Thomas Arthur Louis Joseph Guilbaud

Advances in the modeling and simulation of NTPs using OpenFOAM and OpenModelica

Alessandro Scolaro, Thomas Arthur Louis Joseph Guilbaud

American Nuclear Society2025

In-Memory, Fully-Parallel Coupling of GeN-Foam and OFFBEAT: Towards a New Milestone in High-Fidelity, Finite-Volume Nuclear Reactor Simulation

Alessandro Scolaro, Mathieu Hursin, Thomas Arthur Louis Joseph Guilbaud

The design and safety analysis of advanced fuel materials and innovative Gen-IV reactor concepts, with their distinct physical and engineering requirements compared to conventional reactors, has often been the main drive behind the development of modern mu ...

American Nuclear Society2025

Full core study of the KIWI-B-4E Nuclear Thermal Propulsion system using OpenMC and GeN-Foam

Alessandro Scolaro, Thomas Arthur Louis Joseph Guilbaud

Nuclear Thermal Propulsion systems are one of the technologies to unlock interplanetary travel in the solar system and there is currently an increasing demand for accurately simulating such systems. The present paper investigates the KIWI-B-4E reactor, the ...

2024

FMI-based multi-fidelity and multi-scale simulations of a nuclear reactor

Andreas Pautz, Alessandro Scolaro, Thomas Arthur Louis Joseph Guilbaud

American Nuclear Society2024

Investigating the Accuracy of Porous-Medium Treatments in the Analysis of Nuclear Thermal Propulsion Systems

Alessandro Scolaro, Thomas Arthur Louis Joseph Guilbaud

Porous-medium thermal-hydraulic modeling has become more popular in recent years for reactor analysis due to its flexibility and the ease of its implementation within multi-physics, PDE-oriented libraries like OpenFOAM and MOOSE.A porous-medium approach of ...

American Nuclear Society2024

A square-root speedup for finding the smallest eigenvalue

Thomas Arthur Louis Joseph Guilbaud

We describe a quantum algorithm for finding the smallest eigenvalue of a Hermitian matrix. This algorithm combines quantum phase estimation and quantum amplitude estimation to achieve a quadratic speedup with respect to the best classical algorithm in term ...

2024

Honeycomb, an effective web tool to visualize and edit lattices

Thomas Arthur Louis Joseph Guilbaud

American Nuclear Society2024

Investigating the Functional Mock-up Interface as a Coupling Framework for the multi-fidelity analysis of nuclear reactors

Andreas Pautz, Alessandro Scolaro, Thomas Arthur Louis Joseph Guilbaud

The FMI is a standard that defines a container and an interface to exchange dynamic simulation models. It has been developed and refined by several actors over the past two decades. This coupling standard allows seamless integrations of independent objects ...

2024

Multi-physics modeling of the KIWI-B-4E Nuclear Thermal Propulsion system using OpenMC and GeN-Foam: preliminary assessment against experimental data

Thomas Arthur Louis Joseph Guilbaud

American Nuclear Society2023

FMI-based multi-fidelity transient analysis of a lead-cooled fast reactor using GeN-Foam and OpenModelica

Andreas Pautz, Thomas Arthur Louis Joseph Guilbaud

American Nuclear Society2023

Preliminary safety analysis of the TRANSMUTEX sub-critical reactor using the GeN-Foam multi-physics solver

Andreas Pautz, Carlo Fiorina, Thomas Arthur Louis Joseph Guilbaud

This work presents a preliminary safety analysis of the accelerator-driven system under development at TRANSMUTEX. It is a sub-critical lead-cooled fast reactor with a nominal power of 300 MWth having the following features: (1) an inert-matrix fuel; (2) a ...

Pergamon-Elsevier Science Ltd2023