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Alessandro Scolaro

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Publications associées (33)

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OFFBEAT V&V studies for REBEKA tests on cladding ballooning and burst during LOCA conditions

Alessandro Scolaro

The OpenFOAM Fuel Behaviour Analysis Tool (OFFBEAT), developed jointly by EPFL and PSI in Switzerland, is rapidly gaining recognition as a comprehensive code for multi-dimensional thermo-mechanical fuel behaviour analysis. Like for any novel code, verifica ...

2024

Development of a semi-implicit contact methodology for finite volume stress solvers

Andreas Pautz, Alessandro Scolaro, Carlo Fiorina

The past decades have seen numerous efforts to apply the finite volume methodology to solid mechanics problems. However, only limited work has been done by the finite volume community toward the simulation of mechanical contact. In this article, we present ...

Wiley2022

Generative AI tools in the nuclear engineering community: A survey-based evaluation of the current adoption and impacts

Alessandro Scolaro, Oskari Ville Pakari

Generative AI tools (often abbreviated genAI or GAI), such as chatGPT, have arguably great potential to induce a paradigm shift in knowledge work.Herein, we present the results of a survey conducted within the nuclear engineering professional community to ...

American Nuclear Society2024

Extension of GeN-Foam to departure from nucleate boiling prediction and validation against the OECD/NRC PSBT benchmark

Carlo Fiorina, Alessandro Scolaro

The prediction of departure from nucleate boiling (DNB) has always been a crucial aspect of thermal-hydraulic codes for the analysis of Light Water Reactors. In this paper, GeN-Foam, a multi-physics code developed based on OpenFOAM, has been enhanced to in ...

Elsevier Science Sa2023

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

Eymeric Serge Simonnot, 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

Bayesian Data Assimilation for Fuel Performance based on OFFBEAT

Andreas Pautz, Mathieu Hursin, Alessandro Scolaro, Carlo Fiorina

The EPFL and the PSI have been developing in recent years a new fuel performance tool named OFFBEAT. The tool is based on the OpenFOAM finite-volume library and allows for 1.5-D, 2-D and 3-D fuel performance analyses, both for base irradiation and for tran ...

American Nuclear Society2022

Development in OFFBEAT of a dynamic-mesh incremental stress-strain solver and validation against the IFA 650.2 ballooning experiment

Andreas Pautz, Alessandro Scolaro, Carlo Fiorina, Edoardo Luciano Brunetto

OFFBEAT is a 1D, 2D and 3D fuel behavior code under development at the École Polytechnique Fédérale de Lausanne (EPFL) and the Paul Scherrer Institute (PSI). In this paper, an incremental stress-strain solver with dynamic mesh update is presented and preli ...

American Nuclear Society2022

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

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

Alessandro Scolaro, Thomas Arthur Louis Joseph Guilbaud, Giovanni Nervi

American Nuclear Society2025

Integral-scale validation of the SCIANTIX code for Light Water Reactor fuel rods

Alessandro Scolaro

Mechanistic multi-scale modelling holds the potential to inform fuel performance codes by incorporating high-fidelity models, algorithms, parameters, and material properties. In this context, meso-scale codes emerge as valuable tools for developing detaile ...

Elsevier2024

First Steps Towards The Development Of A 3D Nuclear Fuel Behavior Solver With Openfoam

Andreas Pautz, Alessandro Scolaro, Carlo Fiorina

A new 3D fuel behavior solver is currently under collaborative development at the Laboratory for Reactor Physics and Systems Behaviour of the Ecole Polytechnique Federale de Lausanne and at the Paul Scherrer Institut. The long term objective is to enable a ...

AMER SOC MECHANICAL ENGINEERS2018

Implementation of a multidimensional diffusion-based neutronics solver in OFFBEAT

Alessandro Scolaro, Carlo Fiorina, Edoardo Luciano Brunetto

The OpenFOAM Fuel BEhavior Analysis Tool OFFBEAT is a multi-dimensional fuel performance code under development at the École Polytechnique Fédérale de Lausanne (EPFL) and the Paul Scherrer Institute (PSI), in Switzerland. The latest developments are orient ...

American Nuclear Society2022

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

Andreas Pautz, Alessandro Scolaro, Thomas Arthur Louis Joseph Guilbaud

American Nuclear Society2024