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Numerical simulations on fluid dynamics problems primarily rely on spatially or/and temporally discretization of the governing equation into the finite-dimensional algebraic system solved by computers. Due to complicated nature of the…

计算物理 · 物理学 2021-07-23 Luning Sun , Han Gao , Shaowu Pan , Jian-Xun Wang

Flow-level simulation is widely used to model large-scale data center networks due to its scalability. Unlike packet-level simulators that model individual packets, flow-level simulators abstract traffic as continuous flows with dynamically…

网络与互联网体系结构 · 计算机科学 2025-03-04 Chenning Li , Anton A. Zabreyko , Arash Nasr-Esfahany , Kevin Zhao , Prateesh Goyal , Mohammad Alizadeh , Thomas Anderson

Modern networks carry increasingly diverse and encrypted traffic types that demand classification techniques beyond traditional port-based and payload-based methods. This tutorial provides a practical, end-to-end guide to building…

网络与互联网体系结构 · 计算机科学 2026-01-08 Adrian Pekar , Richard Plny , Karel Hynek

Selection of solution concentrations and flow rates for the fabrication of microfibers using a microfluidic device is a largely empirical endeavor of trial-and-error, largely due to the difficulty of modeling such a multiphysics process.…

Flow control is key to maximize energy efficiency in a wide range of applications. However, traditional flow-control methods face significant challenges in addressing non-linear systems and high-dimensional data, limiting their application…

机器学习 · 计算机科学 2024-10-28 Joongoo Jeon , Jean Rabault , Joel Vasanth , Francisco Alcántara-Ávila , Shilaj Baral , Ricardo Vinuesa

We propose a methodology for generating time-dependent turbulent inflow data with the aid of machine learning (ML), which has a possibility to replace conventional driver simulations or synthetic turbulent inflow generators. As for the ML…

流体动力学 · 物理学 2019-06-19 Kai Fukami , Yusuke Nabae , Ken Kawai , Koji Fukagata

Model-based reinforcement learning is an effective approach for controlling an unknown system. It is based on a longstanding pipeline familiar to the control community in which one performs experiments on the environment to collect a…

系统与控制 · 电气工程与系统科学 2024-08-14 Bruce D. Lee , Ingvar Ziemann , George J. Pappas , Nikolai Matni

Flow map learning (FML), in conjunction with deep neural networks (DNNs), has shown promises for data driven modeling of unknown dynamical systems. A remarkable feature of FML is that it is capable of producing accurate predictive models…

机器学习 · 计算机科学 2023-07-21 Victor Churchill , Dongbin Xiu

This paper introduces a novel neural network - flow completion network (FCN) - to infer the fluid dynamics, includ-ing the flow field and the force acting on the body, from the incomplete data based on Graph Convolution AttentionNetwork.…

流体动力学 · 物理学 2022-08-24 Xiaodong He , Yinan Wang , Juan Li

This paper constructs dynamical models and estimation algorithms for the concentration of target molecules in a fluid flow using an array of novel biosensors. Each biosensor is constructed out of protein molecules embedded in a synthetic…

应用统计 · 统计学 2011-08-31 Maryam Abolfath-Beygi , Vikram Krishnamurthy

Recently, machine learning methods have provided a broad spectrum of original and efficient algorithms based on Deep Neural Networks (DNN) to automatically predict an outcome with respect to a sequence of inputs. Recurrent hidden cells…

机器学习 · 计算机科学 2017-02-15 Mohamed Bouaziz , Mohamed Morchid , Richard Dufour , Georges Linarès , Renato De Mori

Even with the recent advances in convolutional neural networks (CNN) in various visual recognition tasks, the state-of-the-art action recognition system still relies on hand crafted motion feature such as optical flow to achieve the best…

计算机视觉与模式识别 · 计算机科学 2018-02-20 Joe Yue-Hei Ng , Jonghyun Choi , Jan Neumann , Larry S. Davis

Background: Non-invasive imaging-based assessment of blood flow plays a critical role in evaluating heart function and structure. Computed Tomography (CT) is a widely-used imaging modality that can robustly evaluate cardiovascular anatomy…

图像与视频处理 · 电气工程与系统科学 2025-11-07 Jinyuxuan Guo , Gurnoor Singh Khurana , Alejandro Gonzalo Grande , Juan C. del Alamo , Francisco Contijoch

In this work we present, for the first time, a computational fluid dynamics tool for the simulation of the metered discharge in a pressurized metered dose inhaler. The model, based on open-source software, adopts the Volume-Of-Fluid method…

流体动力学 · 物理学 2025-08-08 Riccardo Rossi , Ciro Cottini , Andrea Benassi

Reliable value estimation serves as the cornerstone of reinforcement learning (RL) by evaluating long-term returns and guiding policy improvement, significantly influencing the convergence speed and final performance. Existing works improve…

机器学习 · 计算机科学 2025-10-28 Shan Zhong , Shutong Ding , He Diao , Xiangyu Wang , Kah Chan Teh , Bei Peng

Recent progress in large-scale flow and diffusion models raised two fundamental algorithmic challenges: (i) control-based reward adaptation of pre-trained flows, and (ii) integration of multiple models, i.e., flow merging. While current…

机器学习 · 计算机科学 2026-02-10 Riccardo De Santi , Malte Franke , Ya-Ping Hsieh , Andreas Krause

We formulate a data-driven, physics-constrained closure method for coarse-scale numerical simulations of turbulent fluid flows. Our approach involves a closure scheme that is non-local both in space and time, i.e. the closure terms are…

流体动力学 · 物理学 2021-02-16 Alexis-Tzianni G. Charalampopoulos , Themistoklis P. Sapsis

Inspired by biological swimming and flying with distributed sensing, we propose a data-driven approach for load estimation that relies on complex networks. We exploit sparse, real-time pressure inputs, combined with pre-trained transition…

流体动力学 · 物理学 2022-02-16 Giovanni Iacobello , Frieder Kaiser , David E. Rival

Machine learning methods have been extensively used to study the dynamics of complex fluid flows. One such algorithm, known as adaptive neural fuzzy inference system (ANFIS), can generate data-driven predictions for flow fields but has not…

流体动力学 · 物理学 2021-03-08 Zexia Zhang , Ajay B. Limaye , Ali Khosronejad

In this paper, we propose a joint pilot design and channel estimation scheme based on the deep learning (DL) technique for multiuser multiple-input multiple output (MIMO) channels. To this end, we construct a pilot designer using two-layer…

信息论 · 计算机科学 2018-12-12 Chang-Jae Chun , Jae-Mo Kang , Il-Min Kim
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