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Neural surrogates promise large speedups over classical solvers for physical dynamics but fail silently at sharp dynamical events such as shocks, fronts, and contact. We present hybrid neural world models for physical dynamics: a recipe for…

机器学习 · 计算机科学 2026-05-28 Pranav Lakshmanan , Paras Chopra

Accurate and predictive scale-resolving simulations of laser-ignited rocket engines are highly time-consuming because the problem includes turbulent fuel-oxidizer mixing dynamics, laser-induced energy deposition, and high-speed flame…

机器学习 · 计算机科学 2026-03-10 Tony Zahtila , Ettore Saetta , Murray Cutforth , Davy Brouzet , Diego Rossinelli , Gianluca Iaccarino

We introduce a novel approach for end-to-end black-box optimization of high energy physics (HEP) detectors using local deep learning (DL) surrogates. These surrogates approximate a scalar objective function that encapsulates the complex…

机器学习 · 计算机科学 2025-03-19 Kinga Anna Wozniak , Stephen Mulligan , Jan Kieseler , Markus Klute , Francois Fleuret , Tobias Golling

Although federated learning has achieved many breakthroughs recently, the heterogeneous nature of the learning environment greatly limits its performance and hinders its real-world applications. The heterogeneous data, time-varying wireless…

机器学习 · 计算机科学 2023-02-22 Jingxin Li , Toktam Mahmoodi , Hak-Keung Lam

Neuroscience and artificial intelligence represent distinct yet complementary pathways to general intelligence. However, amid the ongoing boom in AI research and applications, the translational synergy between these two fields has grown…

神经与进化计算 · 计算机科学 2026-01-30 Baiyu Chen , Yujie Wu , Siyuan Xu , Peng Qu , Dehua Wu , Xu Chu , Haodong Bian , Shuo Zhang , Bo Xu , Youhui Zhang , Zhengyu Ma , Guoqi Li

Efficient real-time solvers for forward and inverse problems are essential in engineering and science applications. Machine learning surrogate models have emerged as promising alternatives to traditional methods, offering substantially…

机器学习 · 计算机科学 2026-05-04 Hai V. Nguyen , Tan Bui-Thanh , Clint Dawson

In healthcare applications, temporal variables that encode movement, health status and longitudinal patient evolution are often accompanied by rich structured information such as demographics, diagnostics and medical exam data. However,…

Electromagnetic field simulation is central to designing, optimizing, and validating photonic devices and circuits. However, costly computation associated with numerical simulation poses a significant bottleneck, hindering scalability and…

机器学习 · 计算机科学 2024-11-07 Hanqing Zhu , Wenyan Cong , Guojin Chen , Shupeng Ning , Ray T. Chen , Jiaqi Gu , David Z. Pan

Electronic-photonic integrated circuits (EPICs) offer transformative potential for next-generation high-performance AI but require interdisciplinary advances across devices, circuits, architecture, and design automation. The complexity of…

光学 · 物理学 2024-11-22 Ziang Yin , Meng Zhang , Amir Begovic , Rena Huang , Jeff Zhang , Jiaqi Gu

Simulation-based problems involving mixed-variable inputs frequently feature domains that are hierarchical, conditional, heterogeneous, or tree-structured. These characteristics pose challenges for data representation, modeling, and…

机器学习 · 计算机科学 2026-01-21 Paul Saves , Edward Hallé-Hannan , Jasper Bussemaker , Youssef Diouane , Nathalie Bartoli

While the prediction of AC losses during transients is critical for designing large-scale low-temperature superconducting (LTS) magnets, brute-force finite-element (FE) simulation of their detailed geometry down to the length scale of the…

Addressing real-world optimization challenges requires not only advanced metaheuristics but also continuous refinement of their internal mechanisms. This paper explores the integration of machine learning in the form of neural surrogate…

神经与进化计算 · 计算机科学 2026-03-31 Tomohiro Harada , Enrique Alba , Gabriel Luque

Oilfield development related decisions are made using reservoir simulation-based optimization study in which different production scenarios and well controls are compared. Such simulations are computationally expensive and so surrogate…

机器学习 · 计算机科学 2022-03-01 Ajitabh Kumar

We present a computational framework for dimension reduction and surrogate modeling to accelerate uncertainty quantification in computationally intensive models with high-dimensional inputs and function-valued outputs. Our driving…

数值分析 · 数学 2021-06-30 Helen Cleaves , Alen Alexanderian , Bilal Saad

Recent advances in random-walk particle-tracking have enabled direct simulation of mixing and reactions on particles by allowing the particles to interact with each other using a multi-point mass transfer scheme. The mass transfer scheme…

计算物理 · 物理学 2019-04-22 Nicholas B. Engdahl , Michael J. Schmidt , David A. Benson

Optimizing high-performance power electronic equipment, such as power converters, requires multiscale simulations that incorporate the physics of power semiconductor devices and the dynamics of other circuit components, especially in…

系统与控制 · 电气工程与系统科学 2025-01-20 Qingyuan Shi , Chijie Zhuang , Jiapeng Liu , Bo Lin , Xiyu Peng , Dan Wu , Zhicheng Liu , Rong Zeng

Model-based plasma scenario development lies at the heart of the design and operation of future fusion powerplants. Including turbulent transport in integrated models is essential for delivering a successful roadmap towards operation of…

等离子体物理 · 物理学 2023-10-16 L. Zanisi , A. Ho , T. Madula , J. Barr , J. Citrin , S. Pamela , J. Buchanan , F. Casson , V. Gopakumar , JET contributors

Highly accurate datasets from numerical or physical experiments are often expensive and time-consuming to acquire, posing a significant challenge for applications that require precise evaluations, potentially across multiple scenarios and…

机器学习 · 计算机科学 2026-02-06 Paolo Conti , Mengwu Guo , Attilio Frangi , Andrea Manzoni

Synthetic data and novel rendering techniques have greatly influenced computer vision research in tasks like target tracking and human pose estimation. However, robotics research has lagged behind in leveraging it due to the limitations of…

机器人学 · 计算机科学 2024-08-23 Elia Bonetto , Chenghao Xu , Aamir Ahmad

Process-based hydrologic models are invaluable tools for understanding the terrestrial water cycle and addressing modern water resources problems. However, many hydrologic models are computationally expensive and, depending on the…

地球物理 · 物理学 2025-02-11 Timothy Dai , Kate Maher , Zach Perzan