Pierre-Clément A. Simon
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View article: Multiscale, mechanistic modeling of cesium transport in silicon carbide for TRISO fuel performance prediction
Multiscale, mechanistic modeling of cesium transport in silicon carbide for TRISO fuel performance prediction Open
Understanding cesium (Cs) transport in TRistructural ISOtropic (TRISO) particle fuel is crucial for predicting fission product release in high-temperature reactors. However, current challenges include significant scatter in diffusivity dat…
View article: Multi-Scale Modeling of the Evolution of Structure and Properties in Materials for Nuclear Energy Applications [Slides]
Multi-Scale Modeling of the Evolution of Structure and Properties in Materials for Nuclear Energy Applications [Slides] Open
Nuclear energy is an important component of an overall strategy to address climate change. Idaho National Laboratory (INL) is the U.S. Department of Energy’s primary facility for research and development in nuclear science and technology f…
View article: MOOSE ProbML: Parallelized Probabilistic Machine Learning and Uncertainty Quantification for Computational Energy Applications
MOOSE ProbML: Parallelized Probabilistic Machine Learning and Uncertainty Quantification for Computational Energy Applications Open
This paper presents the development and demonstration of massively parallel probabilistic machine learning (ML) and uncertainty quantification (UQ) capabilities within the Multiphysics Object-Oriented Simulation Environment (MOOSE), an ope…
View article: Evaluating the Impact of Tritium Permeation Membrane Performance and Direct Internal Recycling on Fusion Fuel Cycle Efficiency Using TMAP8
Evaluating the Impact of Tritium Permeation Membrane Performance and Direct Internal Recycling on Fusion Fuel Cycle Efficiency Using TMAP8 Open
An efficient fuel cycle is vital to sustainable and cost-effective energy generation in fusion systems. Since tritium is not widely available, fusion systems must breed their own tritium for sustainable fusion deuterium-tritium reactions. …
View article: MOOSE-based Tritium Migration Analysis Program, Version 8 (TMAP8) for advanced open-source tritium transport and fuel cycle modeling
MOOSE-based Tritium Migration Analysis Program, Version 8 (TMAP8) for advanced open-source tritium transport and fuel cycle modeling Open
Tritium management is critical for the safety, sustainability, and economics of fusion energy systems, and advanced and reliable modeling tools help accelerate the development of tritium technologies. This paper presents the Tritium Migrat…
View article: Thermal-Mechanic Modeling of Fusion Components Using The MOOSE Framework
Thermal-Mechanic Modeling of Fusion Components Using The MOOSE Framework Open
With fusion energy rapidly developing, there is a great need for an open source tool that can rapidly model different fusion tokamak designs. The open-source codes Multiphysics Object Oriented Simulation Environment (MOOSE), Tritium Migrat…
View article: Mechanistic nuclear fuel performance modeling of uranium nitride
Mechanistic nuclear fuel performance modeling of uranium nitride Open
View article: Challenging Common Assumptions of Thick-Wall Chamber Dynamics in Inertial Fusion Systems Using MOOSE-based Multiphysics Simulations
Challenging Common Assumptions of Thick-Wall Chamber Dynamics in Inertial Fusion Systems Using MOOSE-based Multiphysics Simulations Open
As an increasing number of companies look toward commercial Inertial Fusion Energy (IFE) designs, there is a pressing need to understand the physics of thick-wall chamber gas dynamics. The thick liquid wall approach implements a renewable …
View article: Thermomechanics Coupling to Monte Carlo Particle Transport on Unstructured Mesh Geometries
Thermomechanics Coupling to Monte Carlo Particle Transport on Unstructured Mesh Geometries Open
View article: A Mechanistic, Multiscale Model for Predicting Pd Penetration in Triso Fuels Using Bison
A Mechanistic, Multiscale Model for Predicting Pd Penetration in Triso Fuels Using Bison Open
View article: Challenging Common Assumptions of Thick-Wall Chamber Dynamics in Inertial Fusion Systems using MOOSE
Challenging Common Assumptions of Thick-Wall Chamber Dynamics in Inertial Fusion Systems using MOOSE Open
As an increasing number of companies look toward commercial Inertial Fusion Energy (IFE) designs, there is a pressing need to understand the physics of thick-wall chamber gas dynamics. The thick liquid wall approach implements a renewable …
View article: FENIX: Towards a Fully Integrated Multiphysics Framework for Plasma Facing Component Modeling
FENIX: Towards a Fully Integrated Multiphysics Framework for Plasma Facing Component Modeling Open
Computational tools have a crucial role to play in accelerating the deployment of fusion as a clean, reliable, abundant, and sustainable energy source. Multiphysics, high-fidelity simulation capabilities can help model, study, and predict …
View article: Multiscale, mechanistic modeling of irradiation-enhanced silver diffusion in TRISO particles
Multiscale, mechanistic modeling of irradiation-enhanced silver diffusion in TRISO particles Open
View article: Deployment of BISON models of fuel restructuring at high burnup and related fission gas behavior in UO<sub>2</sub>
Deployment of BISON models of fuel restructuring at high burnup and related fission gas behavior in UO<sub>2</sub> Open
This milestone report details the advancements made in fiscal year 2024 under the Nuclear Energy Advanced Modeling and Simulation (NEAMS) program to improve the modeling of fission gas behavior in high burnup UO2 nuclear fuel in…
View article: Phase-field modeling for restructuring in the dark zone of high burnup UO<sub>2</sub>
Phase-field modeling for restructuring in the dark zone of high burnup UO<sub>2</sub> Open
This report summarizes the mesoscale modeling work performed in fiscal year 2024 under the Nuclear Energy Advanced Modeling and Simulation (NEAMS) program to capture the microstructural evolution and restructuring observed in the dark regi…
View article: Lower length scale model for palladium attack of silicon carbide in TRISO fuel
Lower length scale model for palladium attack of silicon carbide in TRISO fuel Open
TRistructural ISOtropic (TRISO) particle fuels rely on silicon carbide (SiC) as the primary barrier for metallic fission product (FP) release. Palladium (Pd) generated by fission degrades the SiC layer, resulting in the formation of lamell…
View article: POEM
POEM Open
View article: Bayesian Analysis of TRISO Fuel: Quantifying Model Inadequacy, Incorporating Lower-Length-Scale Effects, and Developing Parallel Active Learning Capabilities
Bayesian Analysis of TRISO Fuel: Quantifying Model Inadequacy, Incorporating Lower-Length-Scale Effects, and Developing Parallel Active Learning Capabilities Open
The U.S. Department of Energy (DOE)’s Nuclear Energy Advanced Modeling and Simulation (NEAMS) program aims to develop predictive capabilities by applying computational methods to the analysis and design of advanced reactor and fuel-cycle s…
View article: Calibration of a mesoscale tritium transport model for ceramic breeder materials in TMAP8 using experimental data
Calibration of a mesoscale tritium transport model for ceramic breeder materials in TMAP8 using experimental data Open
Due to the scarcity of the long-term external tritium supply, lithium-containing breeder materials are used in the blanket of fusion reactors to produce tritium faster than the deuterium-tritium fusion reaction consumes it. A cellular bree…
View article: Mesoscale modeling of Microstructural Evolution in High Burnup UO2 Fuel and Transient Response
Mesoscale modeling of Microstructural Evolution in High Burnup UO2 Fuel and Transient Response Open
View article: MOOSE: A Modular Platform for Fission and Fusion Multiphysics
MOOSE: A Modular Platform for Fission and Fusion Multiphysics Open
The Multiphysics Object-Oriented Simulation Environment (MOOSE) Framework, as well as MOOSE-based simulation tools, have accelerated the development of fission energy and advanced reactor technologies through the United States Department o…
View article: TRISO PARTICLE FUEL PERFORMANCE WITH BISON
TRISO PARTICLE FUEL PERFORMANCE WITH BISON Open
This is a deck of slide to be presented to the 6th Workshop on Material Properties of TRISO Fuels October 19-20, 2022.
View article: Silver Transport in Silicon Carbide From the Atomistic to the Engineering Scale
Silver Transport in Silicon Carbide From the Atomistic to the Engineering Scale Open
The document is a slide deck meant to be presented to the Nuclear Science User Facilities (NSUF) 2022 Science review board in August 2022.
View article: Comparison of excess free energy at an interface according to the applied interpolation scheme for elasticity: A phase-field method
Comparison of excess free energy at an interface according to the applied interpolation scheme for elasticity: A phase-field method Open
View article: Impact of temperature variations on BISON predictions of Ag release in AGR-1 and AGR-2 experiments
Impact of temperature variations on BISON predictions of Ag release in AGR-1 and AGR-2 experiments Open
View article: Toward a high-fidelity tritium transport modeling for retention and permeation experiments
Toward a high-fidelity tritium transport modeling for retention and permeation experiments Open
View article: NEAMS Burnup Extension Accomplishments and Remaining Modeling Gaps
NEAMS Burnup Extension Accomplishments and Remaining Modeling Gaps Open
The economic viability of light-water reactors (LWRs) in the United States is declining in heavily subsidized markets, and as a result, the nuclear industry is looking for opportunities to enhance the economic competitiveness of nuclear po…
View article: Multi-scale modeling of fuel fragmentation and microstructural evolution
Multi-scale modeling of fuel fragmentation and microstructural evolution Open
An overview of NEAMS program activities to model fuel fragmentation and microstructual evolution to a group of industry attendees at a meeting hosted by EPRI. Topics include atomistic methods to determine grain boundary strength, phase-fie…
View article: Impact of Temperature Variations on Bison Predictions of Ag Release in Agr-1 and Agr-2 Experiments
Impact of Temperature Variations on Bison Predictions of Ag Release in Agr-1 and Agr-2 Experiments Open
View article: Platform Of Optimal Experiment Management
Platform Of Optimal Experiment Management Open
The platform of optimal experiment management, POEM, powered with automated machine learning to accelerate the discovery of optimal solutions, and automatically guide the design of experiments to be evaluated. POEM currently supports 1) ra…