Data-enabled physics-informed machine learning for reduced-order modeling digital twin: application to nuclear reactor physics
This paper proposes an approach that combines reduced-order models with machine
learning in order to create physics-informed digital twins to predict high-dimensional output …
learning in order to create physics-informed digital twins to predict high-dimensional output …
An efficient digital twin based on machine learning SVD autoencoder and generalised latent assimilation for nuclear reactor physics
This paper proposes an approach that combines reduced-order models with machine
learning in order to create an digital twin to predict the power distribution over the core …
learning in order to create an digital twin to predict the power distribution over the core …
Stability of discrete empirical interpolation and gappy proper orthogonal decomposition with randomized and deterministic sampling points
This work investigates the stability of (discrete) empirical interpolation for nonlinear model
reduction and state field approximation from measurements. Empirical interpolation derives …
reduction and state field approximation from measurements. Empirical interpolation derives …
Stabilization of Generalized Empirical Interpolation Method (GEIM) in presence of noise: A novel approach based on Tikhonov regularization
Abstract The Empirical Interpolation Method (EIM), and its generalized version (GEIM), are
non-intrusive, reduced-basis model order reduction methods hereby adopted and modified …
non-intrusive, reduced-basis model order reduction methods hereby adopted and modified …
Parameter identification and state estimation for nuclear reactor operation digital twin
Abstract Reactor Operation Digital Twin (RODT) is now receiving increasing attention and
investment in nuclear engineering domain. A prototype of a RODT was first brought out by …
investment in nuclear engineering domain. A prototype of a RODT was first brought out by …
Generalized Empirical Interpolation Method With H 1 Regularization: Application to Nuclear Reactor Physics
H Gong, Z Chen, Q Li - Frontiers in Energy Research, 2022 - frontiersin.org
The generalized empirical interpolation method (GEIM) can be used to estimate the physical
field by combining observation data acquired from the physical system itself and a reduced …
field by combining observation data acquired from the physical system itself and a reduced …
[HTML][HTML] Multi-physics model bias correction with data-driven reduced order techniques: Application to nuclear case studies
S Riva, C Introini, A Cammi - Applied Mathematical Modelling, 2024 - Elsevier
Due to the multiple physics involved and their mutual and complex interactions, nuclear
engineers and researchers are constantly working on developing highly accurate Multi …
engineers and researchers are constantly working on developing highly accurate Multi …
[HTML][HTML] Systematic sensor placement for structural anomaly detection in the absence of damaged states
C Bigoni, Z Zhang, JS Hesthaven - Computer Methods in Applied …, 2020 - Elsevier
In structural health monitoring (SHM), risk assessment and decision strategies rely primarily
on sensor responses. Simulated data can be generated to emulate the monitoring …
on sensor responses. Simulated data can be generated to emulate the monitoring …
Observation data compression for variational assimilation of dynamical systems
Accurate estimation of error covariances (both background and observation) is crucial for
efficient observation compression approaches in data assimilation of large-scale dynamical …
efficient observation compression approaches in data assimilation of large-scale dynamical …
A POD reduced-order model for resolving the neutron transport problems of nuclear reactor
Y Sun, J Yang, Y Wang, Z Li, Y Ma - Annals of Nuclear Energy, 2020 - Elsevier
Due to the high-dimensional integro-differential properties of the neutron transport equation
(NTE) and the large-scale property of the nuclear reactor system, the detailed neutron …
(NTE) and the large-scale property of the nuclear reactor system, the detailed neutron …