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Air flow modeling at a local scale is essential for applications such as pollutant dispersion modeling or wind farm modeling. To circumvent costly Computational Fluid Dynamics (CFD) computations, deep learning surrogate models have recently…

Efficiently predicting the flowfield and load in aerodynamic shape optimisation remains a highly challenging and relevant task. Deep learning methods have been of particular interest for such problems, due to their success for solving…

流体动力学 · 物理学 2021-06-16 Li-Wei Chen , Berkay Alp Cakal , Xiangyu Hu , Nils Thuerey

Airfoil shape design is a classical problem in engineering and manufacturing. Our motivation is to combine principled physics-based considerations for the shape design problem with modern computational techniques informed by a data-driven…

图形学 · 计算机科学 2022-01-14 Olga A. Doronina , Zachary J. Grey , Andrew Glaws

The secret to the spectacular flight capabilities of flapping insects lies in their wings, which are often approximated as flat, rigid plates. Real wings are however delicate structures, composed of veins and membranes, and can undergo…

流体动力学 · 物理学 2020-02-21 Hung Truong , Thomas Engels , Dmitry Kolomenskiy , Kai Schneider

Spanwise wall forcing in the form of streamwise-travelling waves is applied to the suction side of a transonic airfoil with a shock wave to reduce aerodynamic drag. The study, conducted using direct numerical simulations, extends earlier…

流体动力学 · 物理学 2025-02-10 Niccolò Berizzi , Davide Gatti , Giulio Soldati , Sergio Pirozzoli , Maurizio Quadrio

Surrogate modeling is a viable solution for applications involving repetitive evaluations of expensive computational fluid dynamics models, such as uncertainty quantification and inverse problems. This study proposes a multi-layer…

流体动力学 · 物理学 2024-06-24 Gurpreet S. Hora , Marco G. Giometto

The aerodynamic optimization process of cars requires multiple iterations between aerodynamicists and stylists. Response Surface Modeling and Reduced-Order Modeling are commonly used to eliminate the overhead due to Computational Fluid…

计算工程、金融与科学 · 计算机科学 2022-05-26 Sam Jacob Jacob , Markus Mrosek , Carsten Othmer , Harald Köstler

3D plane reconstruction from a single image is a crucial yet challenging topic in 3D computer vision. Previous state-of-the-art (SOTA) methods have focused on training their system on a single dataset from either indoor or outdoor domain,…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Jiachen Liu , Rui Yu , Sili Chen , Sharon X. Huang , Hengkai Guo

Unmanned aerial vehicles, and multi-rotors in particular, can now perform dexterous tasks in impervious environments, from infrastructure monitoring to emergency deliveries. Autonomous drone racing has emerged as an ideal benchmark to…

The computational resources required to solve the full 3D inversion of time-domain electromagnetic data are immense. To overcome the time-consuming 3D simulations, we construct a surrogate model, more precisely, a data-driven statistical…

地球物理 · 物理学 2024-07-10 Wouter Deleersnyder , David Dudal , Thomas Hermans

Global air quality forecasting grapples with extreme spatial heterogeneity and the poor generalization of existing transductive models to unseen regions. To tackle this, we propose OmniAir, a semantic topology learning framework tailored…

机器学习 · 计算机科学 2026-01-30 Zhiqing Cui , Siru Zhong , Ming Jin , Shirui Pan , Qingsong Wen , Yuxuan Liang

We address whether complex physical relations can be investigated through the synergy of automated high-volume experiments and the reduction of large datasets to a concise, representative subset of canonical examples -- a "textbook". To…

流体动力学 · 物理学 2026-02-13 Paolo Olivucci , David E. Rival

Access to comprehensive flight operations data remains severely restricted in aviation due to commercial sensitivity and competitive considerations, hindering the development of predictive models for operational planning. This paper…

机器学习 · 计算机科学 2025-08-05 Abdulmajid Murad , Massimiliano Ruocco

Complex neural networks require substantial memory to store a large number of synaptic weights. This work introduces WINGs (Automatic Weight Generator for Secure and Storage-Efficient Deep Learning Models), a novel framework that…

机器学习 · 计算机科学 2025-07-10 Habibur Rahaman , Atri Chatterjee , Swarup Bhunia

Learning from the web can ease the extreme dependence of deep learning on large-scale manually labeled datasets. Especially for fine-grained recognition, which targets at distinguishing subordinate categories, it will significantly reduce…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Zeren Sun , Yazhou Yao , Xiu-Shen Wei , Yongshun Zhang , Fumin Shen , Jianxin Wu , Jian Zhang , Heng-Tao Shen

Hyperparameter optimization is very frequently employed in machine learning. However, an optimization of a large space of parameters could result in overfitting of models. In recent studies on solubility prediction the authors collected…

机器学习 · 计算机科学 2024-11-26 Igor V. Tetko , Ruud van Deursen , Guillaume Godin

Surrogate models are essential for fast and accurate surface pressure and friction predictions during design optimization of complex lifting surfaces. This study focuses on predicting pressure distribution over two-dimensional airfoils…

流体动力学 · 物理学 2025-03-25 Sankalp Jena , Gabriel D. Weymouth , Artur K. Lidtke , Andrea Coraddu

Accurate simulation of turbulent flow with separation is an important but challenging problem. In this paper, a data-driven Reynolds-averaged turbulence modeling approach, field inversion and machine learning is implemented to modify the…

流体动力学 · 物理学 2022-06-02 Chongyang Yan , Haoran Li , Yufei Zhang , Haixin Chen

We present a machine learning-based framework for blending data-driven turbulent closures in the Reynolds-Averaged Navier-Stokes (RANS) equations, aimed at improving their generalizability across diverse flow regimes. Specialized models…

流体动力学 · 物理学 2025-03-05 Mourad Oulghelou , Soufiane Cherroud , Xavier Merle , Paola Cinnella

Accurate, efficient prediction of wind flow with wake effects is crucial for wind-farm layout and power forecasting. Existing approaches-physical measurements, numerical simulations, physics-based models, and data-driven models-face…

流体动力学 · 物理学 2025-09-26 Dong Xu , Zhaobin Li , Xiaolei Yang , Peng Hou , Bruno Carmo , Xuerui Mao