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相关论文: MeshfreeFlowNet: A Physics-Constrained Deep Contin…

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In recent years, applying deep learning to solve physics problems has attracted much attention. Data-driven deep learning methods produce fast numerical operators that can learn approximate solutions to the whole system of partial…

机器学习 · 计算机科学 2024-02-26 Yining Luo , Yingfa Chen , Zhen Zhang

The proposed RMS-FlowNet++ is a novel end-to-end learning-based architecture for accurate and efficient scene flow estimation that can operate on high-density point clouds. For hierarchical scene f low estimation, existing methods rely on…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Ramy Battrawy , René Schuster , Didier Stricker

Partial differential equations (PDEs) play a fundamental role in modeling and simulating problems across a wide range of disciplines. Recent advances in deep learning have shown the great potential of physics-informed neural networks…

机器学习 · 计算机科学 2022-01-31 Pu Ren , Chengping Rao , Yang Liu , Jianxun Wang , Hao Sun

This paper surveys machine-learning-based super-resolution reconstruction for vortical flows. Super resolution aims to find the high-resolution flow fields from low-resolution data and is generally an approach used in image reconstruction.…

流体动力学 · 物理学 2023-07-05 Kai Fukami , Koji Fukagata , Kunihiko Taira

Traditional approaches based on finite element analyses have been successfully used to predict the macro-scale behavior of heterogeneous materials (composites, multicomponent alloys, and polycrystals) widely used in industrial applications.…

材料科学 · 物理学 2022-11-24 Rajat Arora

Under extreme operating conditions, characterized by high particle multiplicity and heavily overlapping shower energy deposits, classical particle flow algorithms encounter pronounced limitations in resolution, efficiency, and accuracy. To…

仪器与探测器 · 物理学 2025-05-13 Yu Wang , Yangguang Zhang , Shengxiang Lin , Xingyi Zhang , Han Zhang

Accurate modeling of complex physical problems, such as fluid-structure interaction, requires multiphysics coupling across the interface, which often has intricate geometry and dynamic boundaries. Conventional numerical methods face…

数值分析 · 数学 2023-08-08 Yunlong Li , Fei Wang

Meshing is a critical, but user-intensive process necessary for stable and accurate simulations in computational fluid dynamics (CFD). Mesh generation is often a bottleneck in CFD pipelines. Adaptive meshing techniques allow the mesh to be…

机器学习 · 计算机科学 2022-12-06 Cooper Lorsung , Amir Barati Farimani

The study of turbulent flows calls for measurements with high resolution both in space and in time. We propose a new approach to reconstruct High-Temporal-High-Spatial resolution velocity fields by combining two sources of information that…

流体动力学 · 物理学 2017-07-10 Linh Van Nguyen , Jean-Philippe Laval , Pierre Chainais

High-resolution (HR) information of fluid flows, although preferable, is usually less accessible due to limited computational or experimental resources. In many cases, fluid data are generally sparse, incomplete, and possibly noisy. How to…

流体动力学 · 物理学 2021-07-20 Han Gao , Luning Sun , Jian-Xun Wang

We present a novel high frequency residual learning framework, which leads to a highly efficient multi-scale network (MSNet) architecture for mobile and embedded vision problems. The architecture utilizes two networks: a low resolution…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Bowen Cheng , Rong Xiao , Jianfeng Wang , Thomas Huang , Lei Zhang

Convergence failure and slow convergence rates are among the biggest challenges with solving the system of non-linear equations numerically. Although mitigated, such issues still linger when using strictly small time steps and…

数值分析 · 数学 2019-12-05 Hanyu Li , Wing Tat Leung , Mary F. Wheeler

This paper presents a novel p-adaptive, high-order mesh-free framework for the accurate and efficient simulation of fluid flows in complex geometries. High-order differential operators are constructed locally for arbitrary node…

数值分析 · 数学 2025-11-27 Ruofeng Feng , Jack R. C. King , Steven J. Lind

In this paper, we propose a mesh-free method to solve interface problems using the deep learning approach. Two interface problems are considered. The first one is an elliptic PDE with a discontinuous and high-contrast coefficient. While the…

计算物理 · 物理学 2024-12-20 Zhongjian Wang , Zhiwen Zhang

The permeability of complex porous materials can be obtained via direct flow simulation, which provides the most accurate results, but is very computationally expensive. In particular, the simulation convergence time scales poorly as…

Deep-learning-based video processing has yielded transformative results in recent years. However, the video analytics pipeline is energy-intensive due to high data rates and reliance on complex inference algorithms, which limits its…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Yingying Zhao , Mingzhi Dong , Yujiang Wang , Da Feng , Qin Lv , Robert P. Dick , Dongsheng Li , Tun Lu , Ning Gu , Li Shang

In the domain of supervised scene flow estimation, the process of manual labeling is both time-intensive and financially demanding. This paper introduces SSFlowNet, a semi-supervised approach for scene flow estimation, that utilizes a blend…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Jingze Chen , Junfeng Yao , Qiqin Lin , Rongzhou Zhou , Lei Li

Generating long, high-quality videos remains a challenge due to the complex interplay of spatial and temporal dynamics and hardware limitations. In this work, we introduce MaskFlow, a unified video generation framework that combines…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Michael Fuest , Vincent Tao Hu , Björn Ommer

We present a novel multiscale super-resolution framework (SRLBM) that applies deep learning directly to the mesoscopic density distribution functions of the lattice Boltzmann method for high-fidelity flow reconstruction. Two neural network…

流体动力学 · 物理学 2025-09-19 Gengchao Yang , Renyu Luo , Qinghe Yao , Peiji Wang , Jinxiu Zhang

Shape optimization is essential in aerospace vehicle design, including reentry systems, and propulsion system components, as it directly influences aerodynamic efficiency, structural integrity, and overall mission success. Rapid and…

机器学习 · 计算机科学 2025-05-27 Ahmad Peyvan , Varun Kumar , George Em Karniadakis