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Effective real-time monitoring is a foundation of digital twin technology, crucial for detecting material degradation and maintaining the structural integrity of nuclear systems to ensure both safety and operational efficiency. Traditional…

Machine Learning · Computer Science 2024-12-02 Raisa Bentay Hossain , Farid Ahmed , Kazuma Kobayashi , Seid Koric , Diab Abueidda , Syed Bahauddin Alam

As the global population grows and climate change intensifies, sustainable food production is critical. Marine aquaculture offers a viable solution, providing a sustainable protein source. However, the industry's expansion requires novel…

Machine Learning · Computer Science 2024-06-11 Eirini Katsidoniotaki , Biao Su , Eleni Kelasidi , Themistoklis P. Sapsis

A theoretical-computational framework is proposed for predicting the failure behavior of two anisotropic brittle materials, namely, single crystal magnesium and boron carbide. Constitutive equations are derived, in both small and large…

While digital twins (DT) hold promise for providing real-time insights into complex energy assets, much of the current literature either does not offer a clear framework for information exchange between the model and the asset, lacks key…

Machine Learning · Computer Science 2025-07-03 Logan A. Burnett , Umme Mahbuba Nabila , Majdi I. Radaideh

Neural operators have demonstrated considerable effectiveness in accelerating the solution of time-dependent partial differential equations (PDEs) by directly learning governing physical laws from data. However, for PDEs governed by…

Other Computer Science · Computer Science 2025-11-21 Huanshuo Dong , Hong Wang , Hao Wu , Zhiwei Zhuang , Xuanze Yang , Ruiqi Shu , Yuan Gao , Xiaomeng Huang

Laser-directed-energy deposition (DED) offers advantages in additive manufacturing (AM) for creating intricate geometries and material grading. Yet, challenges like material inconsistency and part variability remain, mainly due to its…

Machine Learning · Computer Science 2024-02-28 Vispi Karkaria , Anthony Goeckner , Rujing Zha , Jie Chen , Jianjing Zhang , Qi Zhu , Jian Cao , Robert X. Gao , Wei Chen

Current foundation models (FMs) rely on token representations that directly fragment continuous real-world multimodal data into discrete tokens. They limit FMs to learning real-world knowledge and relationships purely through statistical…

Machine Learning · Computer Science 2025-05-08 Yiqing Shen , Hao Ding , Lalithkumar Seenivasan , Tianmin Shu , Mathias Unberath

Conservation laws are an inherent feature in many systems modeling real world phenomena, in particular, those modeling biological and chemical systems. If the form of the underlying dynamical system is known, linear algebra and algebraic…

Numerical Analysis · Mathematics 2024-03-11 Tracey Oellerich , Maria Emelianenko

Digital twinning in structural engineering is a rapidly evolving technology that aims to eliminate the gap between physical systems and their digital models through real-time sensing, visualization, and control techniques. Although Digital…

Applications · Statistics 2024-08-28 Zeyu Wang , Ziqi Wang

Deep learning (DL) techniques have demonstrated strong performance in compressing and reconstructing channel state information (CSI) while reducing feedback overhead in massive MIMO systems. A key challenge, however, is their reliance on…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Hao Luo , Shuaifeng Jiang , Saeed R. Khosravirad , Ahmed Alkhateeb

Additive manufacturing (AM) allows for manufacturing of complex three-dimensional geometries not typically realizable with standard subtractive manufacturing practices. The internal microstructure of a 3D printed component can have a…

Computational Engineering, Finance, and Science · Computer Science 2025-09-17 Lucas Gallup , Kevin N. Long , Devin J. Roach , William D. Reinholtz , Adam Cook , Craig M. Hamel

Current Cyber-Physical Systems (CPS) integrated with Digital Twin (DT) technology face critical limitations in achieving real-time performance for mission-critical industrial applications. Existing 5G-enabled systems suffer from latencies…

Networking and Internet Architecture · Computer Science 2025-10-13 Vaskar Chakma , Wooyeol Choi

This paper presents a structure-preserving spatial discretization method for distributed parameter port-Hamiltonian systems. The class of considered systems are hyperbolic systems of two conservation laws in arbitrary spatial dimension and…

Numerical Analysis · Mathematics 2021-08-11 Flávio Luiz Cardoso-Ribeiro , Denis Matignon , Laurent Lefèvre

The concept of a digital twin has exploded in popularity over the past decade, yet confusion around its plurality of definitions, its novelty as a new technology, and its practical applicability still exists, all despite numerous reviews,…

Machine Learning · Computer Science 2022-06-27 Brian Kunzer , Mario Berges , Artur Dubrawski

We present a hybrid framework to support prognostics of the clogging degradation phenomenon in tube support plates for digital twins of steam generators in pressurized water reactors. The proposed approach combines a physics-based…

The concept of Hybrid Twin (HT) has recently received a growing interest thanks to the availability of powerful machine learning techniques. This twin concept combines physics-based models within a model-order reduction framework-to obtain…

Compressive sensing is a promising solution for the channel estimation in multiple-input multiple-output (MIMO) systems with large antenna arrays and constrained hardware. Utilizing site-specific channel data from real-world systems, deep…

Signal Processing · Electrical Eng. & Systems 2024-05-14 Hao Luo , Ahmed Alkhateeb

Effective monitoring of freight transportation is essential for advancing sustainable, low-carbon economies. Traditional methods relying on single-modal data and discrete simulations fall short in optimizing intermodal systems holistically.…

Computers and Society · Computer Science 2024-10-25 Xueping Li , Haowen Xu , Jose Tupayachi , Olufemi Omitaomu , Xudong Wang

Minimal-residual methods for PDEs with a residual in a dual space are non-trivial to guarantee stability. We present a minimal-residual finite element method in which the solution space is a standard finite element space, but neural…

Numerical Analysis · Mathematics 2025-09-23 Hamd Alsobhi , Emin Benny-Chacko , Ignacio Brevis , Kristoffer G. van der Zee

Digital Twins technology is revolutionizing decision-making in scientific research by integrating models and simulations with real-time data. Unlike traditional Structural Health Monitoring methods, which rely on computationally intensive…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Mehrdad Shafiei Dizaji