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Accurate wind speed forecasting is of great importance for many economic, business and management sectors. This paper introduces a new model based on convolutional neural networks (CNNs) for wind speed prediction tasks. In particular, we…

机器学习 · 计算机科学 2020-07-27 Kevin Trebing , Siamak Mehrkanoon

Approximating wind flows using computational fluid dynamics (CFD) methods can be time-consuming. Creating a tool for interactively designing prototypes while observing the wind flow change requires simpler models to simulate faster. Instead…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Henrik Hoeiness , Kristoffer Gjerde , Luca Oggiano , Knut Erik Teigen Giljarhus , Massimiliano Ruocco

Urban planners and policy makers face the challenge of creating livable and enjoyable cities for larger populations in much denser urban conditions. While the urban microclimate holds a key role in defining the quality of urban spaces today…

机器学习 · 计算机科学 2021-10-07 Sarah Mokhtar , Matthew Beveridge , Yumeng Cao , Iddo Drori

Machine learning models have been employed to perform either physics-free data-driven or hybrid dynamical downscaling of climate data. Most of these implementations operate over relatively small downscaling factors because of the challenge…

大气与海洋物理 · 物理学 2023-02-24 Daniel Getter , Julie Bessac , Johann Rudi , Yan Feng

Accurate prediction of wind flow fields in urban canopies is crucial for ensuring pedestrian comfort, safety, and sustainable urban design. Traditional methods using wind tunnels and Computational Fluid Dynamics, such as Large-Eddy…

计算物理 · 物理学 2025-07-10 Themistoklis Vargiemezis , Catherine Gorlé

Convolutional neural networks (CNNs) have recently been applied to predict or model fluid dynamics. However, mechanisms of CNNs for learning fluid dynamics are still not well understood, while such understanding is highly necessary to…

流体动力学 · 物理学 2021-04-06 Sangseung Lee , Donghyun You

Advancements in numerical weather prediction models have accelerated, fostering a more comprehensive understanding of physical phenomena pertaining to the dynamics of weather and related computing resources. Despite these advancements,…

大气与海洋物理 · 物理学 2021-11-04 Alqamah Sayeed , Yunsoo Choi , Jia Jung , Yannic Lops , Ebrahim Eslami , Ahmed Khan Salman

Wind power forecasting helps with the planning for the power systems by contributing to having a higher level of certainty in decision-making. Due to the randomness inherent to meteorological events (e.g., wind speeds), making highly…

机器学习 · 计算机科学 2023-01-04 Syed Kazmi , Berk Gorgulu , Mucahit Cevik , Mustafa Gokce Baydogan

Data-driven approaches, including deep learning, have shown great promise as surrogate models across many domains. These extend to various areas in sustainability. An interesting direction for which data-driven methods have not been applied…

机器学习 · 计算机科学 2022-11-23 Shi Jer Low , Venugopalan , S. G. Raghavan , Harish Gopalan , Jian Cheng Wong , Justin Yeoh , Chin Chun Ooi

Accurate pedestrian detection has a primary role in automotive safety: for example, by issuing warnings to the driver or acting actively on car's brakes, it helps decreasing the probability of injuries and human fatalities. In order to…

计算机视觉与模式识别 · 计算机科学 2018-08-09 Denis Tome' , Luca Bondi , Emanuele Plebani , Luca Baroffio , Danilo Pau , Stefano Tubaro

Identifying the distribution of users' transportation modes is an essential part of travel demand analysis and transportation planning. With the advent of ubiquitous GPS-enabled devices (e.g., a smartphone), a cost-effective approach for…

机器学习 · 计算机科学 2018-04-10 Sina Dabiri , Kevin Heaslip

Convolutional Neural Networks (CNN) possess many positive qualities when it comes to spatial raster data. Translation invariance enables CNNs to detect features regardless of their position in the scene. However, in some domains, like…

机器学习 · 计算机科学 2020-07-13 Arnas Uselis , Mantas Lukoševičius , Lukas Stasytis

Deep learning-based surrogate models offer a computationally efficient alternative to high-fidelity computational fluid dynamics (CFD) simulations for predicting urban wind flow. However, conventional approaches usually only yield…

大气与海洋物理 · 物理学 2025-11-03 Reda Snaiki , Jiachen Lu , Shaopeng Li , Negin Nazarian

An approximation model based on convolutional neural networks (CNNs) is proposed for flow field predictions. The CNN is used to predict the velocity and pressure field in unseen flow conditions and geometries given the pixelated shape of…

流体动力学 · 物理学 2019-06-14 Yaser Afshar , Saakaar Bhatnagar , Shaowu Pan , Karthik Duraisamy , Shailendra Kaushik

We present a significantly-improved data-driven global weather forecasting framework using a deep convolutional neural network (CNN) to forecast several basic atmospheric variables on a global grid. New developments in this framework…

大气与海洋物理 · 物理学 2020-10-14 Jonathan A. Weyn , Dale R. Durran , Rich Caruana

Wind speed prediction and forecasting is important for various business and management sectors. In this paper, we introduce new models for wind speed prediction based on graph convolutional networks (GCNs). Given hourly data of several…

机器学习 · 计算机科学 2021-01-26 Tomasz Stańczyk , Siamak Mehrkanoon

We analyze the applicability of convolutional neural network (CNN) architectures for downscaling of short-range forecasts of near-surface winds on extended spatial domains. Short-range wind field forecasts (at the 100 m level) from ECMWF…

大气与海洋物理 · 物理学 2020-12-22 Kevin Höhlein , Michael Kern , Timothy Hewson , Rüdiger Westermann

Recently, there has been a surge of research on data-driven weather forecasting systems, especially applications based on convolutional neural networks (CNNs). These are usually trained on atmospheric data represented on regular…

大气与海洋物理 · 物理学 2023-09-18 Sebastian Scher , Gabriele Messori

Convolutional neural networks (CNNs) have demonstrated their superiority in numerous computer vision tasks, yet their computational cost results prohibitive for many real-time applications such as pedestrian detection which is usually…

计算机视觉与模式识别 · 计算机科学 2018-01-03 Farzin Ghorban , Javier Marín , Yu Su , Alessandro Colombo , Anton Kummert

Atmospheric simulations for urban cities can be computationally intensive because of the need for high spatial resolution, such as a few meters, to accurately represent buildings and streets. Deep learning has recently gained attention…

大气与海洋物理 · 物理学 2023-03-30 Yuki Yasuda , Ryo Onishi , Keigo Matsuda
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