A fast computational method for internal temperature field in Oil-Immersed power transformers

G Liu, W Hu, S Hao, C Gao, Y Liu, W Wu, L Li - Applied Thermal …, 2024 - Elsevier
In order to improve the computational efficiency of the steady-state temperature rise of oil-
immersed power transformer windings, this paper proposes a temperature field reduced …

Reduced Lagrange multiplier approach for non-matching coupled problems in multiscale elasticity

C Belponer, A Caiazzo, L Heltai - arxiv preprint arxiv:2309.06797, 2023 - arxiv.org
This paper presents a numerical method for the simulation of elastic solid materials coupled
to fluid inclusions. The application is motivated by the modeling of vascularized tissues and …

A boundary-oriented reduced Schwarz domain decomposition technique for parametric advection-diffusion problems

MB del Pino, TC Rebollo, MG Mármol - arxiv preprint arxiv:2305.19199, 2023 - arxiv.org
We present in this paper the results of a research motivated by the need of a very fast
solution of thermal flow in solar receivers. These receivers are composed by a large number …

Hierarchical model reduction driven by machine learning for parametric advection-diffusion-reaction problems in the presence of noisy data

M Lupo Pasini, S Perotto - Journal of Scientific Computing, 2023 - Springer
We propose a new approach to generate a reliable reduced model for a parametric elliptic
problem, in the presence of noisy data. The reference model reduction procedure is the …

Efficient modeling of multimode guided acoustic wave propagation in deformed pipelines by hierarchical model reduction

GG Gentili, M Khosronejad, G Bernasconi… - Applied Numerical …, 2022 - Elsevier
The finite element based Hierarchical Model (HiMod) reduction technique is here applied,
for the first time, to model guided acoustic wave propagation in deformed pipelines in a …

Advanced Modeling of Rectangular Waveguide Devices With Smooth Profiles by Hierarchical Model Reduction

G Garcia-Contreras, J Córcoles… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
We present a new method for the analysis of smoothly varying tapers, transitions, and filters
in rectangular waveguides. With this aim, we apply a hierarchical model (HiMod) reduction …

Hierarchical model reduction techniques for flow modeling in a parametrized setting

M Zancanaro, F Ballarin, S Perotto, G Rozza - Multiscale Modeling & …, 2021 - SIAM
In this work we focus on two different methods to deal with parametrized partial differential
equations in an efficient and accurate way. Starting from high fidelity approximations built via …

Isogeometric hierarchical model reduction for advection–diffusion process simulation in microchannels

S Perotto, G Bellini, F Ballarin, K Calò, V Mazzi… - Reduced Order Models …, 2023 - Elsevier
Microfluidics has proven to be a key technology in various applications, making it possible to
reproduce large-scale laboratory settings at a more sustainable small-scale. The current …