Jiyan Qiu

GNNeF: Enhanced GNN PDE Solver with Embedded FNO

Jiyan Qiu, Jian Zhang, Yuan Wu, Xuebin Chi

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Fourier Neural Operator on Implicit Points for PDE Surrogate Modeling

Jiyan Qiu, PengCheng Shi, Yuan Wu, Jian Zhang et autres

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DrivAerStar: An Industrial-Grade CFD Dataset for Vehicle Aerodynamic Optimization

Jiyan Qiu, Guan Wang, Yichen Xu, Shaotong Fu et autres

Vehicle aerodynamics optimization has become critical for automotive electrification, where drag reduction directly determines electric vehicle range and energy efficiency. Traditional approaches face an intractable trade-off: computationally expensive Computational Fluid Dynamics (CFD) simulations requiring weeks per design iteration, or simplified models that …

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Unveiling Environmental Sensitivity of Individual Gains in Influence Maximization

Xinyan Su, Zhiheng Zhang, Jiyan Qiu, Zhaojuan Yue et autres

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Importance-Guided Sequential Training for Physics-Informed Neural Networks

Xin Zhang, Nanxi Chen, Jiyan Qiu, Pengcheng Shi et autres

In recent years, the emergence of deep learning has brought Physics-Informed Neural Networks (PINNs) into the spotlight as a promising method for solving partial differential equations (PDEs). Despite the attention received by PINNs, their accuracy and convergence face significant challenges, particularly when …

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Causal-Inspired Influence Maximization in Hypergraphs Under Temporal Constraints

Xinyan Su, Jiyan Qiu, Zhiheng Zhang, Jun Li

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Sparse Reconstruction Method for Flow Fields Based on Mode Decomposition Autoencoder

Jiyan Qiu, Wu Yuan, Xiaoyi Hu, Jian Zhang et autres

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Deep learning for inverse design of low-boom supersonic configurations

Shu-sheng Chen, Jiyan Qiu, Hua Juan Yang, Wu Yuan et autres

Abstract Mitigating the sonic boom to an acceptable stage is crucial for the next generation of supersonic transports. The primary way to suppress sonic booms is to develop a low sonic boom aerodynamic shape design. This paper proposes an inverse design approach …

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udPINNs: An Enhanced PDE Solving Algorithm Incorporating Domain of Dependence Knowledge

Nanxi Chen, Jiyan Qiu, Pengcheng Shi, Wu Yuan et autres

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LGRASS: Linear Graph Spectral Sparsification for Final Task of the 3rd ACM-China International Parallel Computing Challenge

Yuxuan Chen, Jiyan Qiu, Zidong Han, Chenhan Bai

This paper presents our solution for optimization task of the 3rd ACM-China IPCC. By the complexity analysis, we identified three time-consuming subroutines of original algorithm: marking edges, computing pseudo inverse and sorting edges. These subroutines becomes the main performance bottleneck owing to …

Development and Application of Environmental Regulation and Control System in Substation Distribution Room

Qiang Fan, Qiansu Lv, Yuanyuan Chen, Bowen Li et autres

With the development of economy and society, the power load grows in a high speed. The increasing electricity consumption puts forward higher requirements for the stability of power distribution room equipments. In this paper, through dehumidifier, the humid air in the distribution …

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Parallel Fast Pencil Drawing Generation Algorithm Based on GPU

Jiyan Qiu, Bin Liu, Jinrong He, Chaoyang Liu et autres

With the development of image processing technology, pencil drawing has been widely used in video games and mobile phone applications. However, the existing pencil drawing algorithms require a large amount of time to convert a real picture into a pencil drawing; hence, …

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