Digital twin: Values, challenges and enablers from a modeling perspective

A Rasheed, O San, T Kvamsdal - IEEE access, 2020 - ieeexplore.ieee.org
Digital twin can be defined as a virtual representation of a physical asset enabled through
data and simulators for real-time prediction, optimization, monitoring, controlling, and …

Digital twin: Values, challenges and enablers

A Rasheed, O San, T Kvamsdal - arXiv preprint arXiv:1910.01719, 2019 - arxiv.org
A digital twin can be defined as an adaptive model of a complex physical system. Recent
advances in computational pipelines, multiphysics solvers, artificial intelligence, big data …

[HTML][HTML] Methods for enabling real-time analysis in digital twins: A literature review

MS Es-haghi, C Anitescu, T Rabczuk - Computers & Structures, 2024 - Elsevier
This paper presents a literature review on methods for enabling real-time analysis in digital
twins, which are virtual models of physical systems. The advantages of digital twins are …

Fluctuating volume-current formulation of electromagnetic fluctuations in inhomogeneous media: Incandescence and luminescence in arbitrary geometries

AG Polimeridis, MTH Reid, W Jin, SG Johnson… - Physical Review B, 2015 - APS
We describe a fluctuating volume-current formulation of electromagnetic fluctuations that
extends our recent work on heat exchange and Casimir interactions between arbitrarily …

Randomized local model order reduction

A Buhr, K Smetana - SIAM journal on scientific computing, 2018 - SIAM
In this paper we propose local approximation spaces for localized model order reduction
procedures such as domain decomposition and multiscale methods. Those spaces are …

Operator Bounds on Angle-Integrated Absorption and Thermal Radiation for Arbitrary Objects

S Molesky, W Jin, PS Venkataram, AW Rodriguez - Physical review letters, 2019 - APS
We derive fundamental per-channel bounds on angle-integrated absorption and thermal
radiation for arbitrarily structured bodies—for any given material susceptibility and bounding …

Fast electromagnetic analysis of MRI transmit RF coils based on accelerated integral equation methods

JF Villena, AG Polimeridis, Y Eryaman… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
A fast frequency domain full-wave electromagnetic simulation method is introduced for the
analysis of MRI coils loaded with the realistic human body models. The approach is based …

Noninvasive estimation of electrical properties from magnetic resonance measurements via global Maxwell tomography and match regularization

JEC Serrallés, II Giannakopoulos… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Objective: In this paper, we introduce global Maxwell tomography (GMT), a novel volumetric
technique that estimates electric conductivity and permittivity by solving an inverse scattering …

A new error estimator for reduced-order modeling of linear parametric systems

L Feng, P Benner - IEEE Transactions on Microwave Theory …, 2019 - ieeexplore.ieee.org
Efficient error estimation is important for reliable reduced-order modeling with guaranteed
accuracy. We propose an error estimator for reduced-order modeling of linear parametric …

Randomized linear algebra for model reduction. Part I: Galerkin methods and error estimation

O Balabanov, A Nouy - Advances in Computational Mathematics, 2019 - Springer
We propose a probabilistic way for reducing the cost of classical projection-based model
order reduction methods for parameter-dependent linear equations. A reduced order model …