A time-relaxation reduced order model for the turbulent channel flow

PH Tsai, P Fischer, T Iliescu - Journal of Computational Physics, 2025 - Elsevier
Regularized reduced order models (Reg-ROMs) are stabilization strategies that leverage
spatial filtering to alleviate the spurious numerical oscillations generally displayed by the …

Accelerating the Galerkin reduced-order model with the tensor decomposition for turbulent flows

PH Tsai, P Fischer, E Solomonik - arXiv preprint arXiv:2311.03694, 2023 - arxiv.org
Galerkin-based reduced-order models (G-ROMs) have provided efficient and accurate
approximations of laminar flows. In order to capture the complex dynamics of the turbulent …

Parametric model order reduction development for Navier-Stokes equations from 2D chaotic to 3D turbulent flow problems

PH Tsai - 2023 - ideals.illinois.edu
This work presents new developments for the application of parametric model-order
reduction (pMOR) for engineering thermal-fluid applications. The pMOR technique is built on …

LES of Twin High-Re Rectangular Jets for Benchmarking Model Order Reduction Methods

J Acierno, E Merzari, V Petrov… - International …, 2024 - asmedigitalcollection.asme.org
The study of turbulent mixing in non-isothermal coolant streams is crucial in understanding
thermal striping, an oscillatory mixing pattern that can lead to thermal fatigue and …

Towards Reduced Order Modeling of Multiphysics Analysis of Molten Salt Reactors

C Emler - 2024 - etda.libraries.psu.edu
Molten Salt Reactors (MSRs) present significant modeling challenges due to the inherent
coupling between neutron transport and thermal-hydraulics, stemming from the use of a …