Search Results for author: Shiyi Chen

Found 10 papers, 1 papers with code

Spectral Informed Neural Network: An Efficient and Low-Memory PINN

no code implementations29 Aug 2024 Tianchi Yu, Yiming Qi, Ivan Oseledets, Shiyi Chen

With growing investigations into solving partial differential equations by physics-informed neural networks (PINNs), more accurate and efficient PINNs are required to meet the practical demands of scientific computing.

Early Risk Assessment Model for ICA Timing Strategy in Unstable Angina Patients Using Multi-Modal Machine Learning

no code implementations8 Aug 2024 Candi Zheng, Kun Liu, Yang Wang, Shiyi Chen, Hongli Li

The challenge lies in determining the optimal timing for ICA in UA patients, balancing the need for revascularization in high-risk patients against the potential complications in low-risk ones.

Discovering an interpretable mathematical expression for a full wind-turbine wake with artificial intelligence enhanced symbolic regression

no code implementations2 Jun 2024 Ding Wang, Yuntian Chen, Shiyi Chen

In this study, we introduce a genetic symbolic regression (SR) algorithm to discover an interpretable mathematical expression for the mean velocity deficit throughout the wake, a previously unavailable insight.

Symbolic Regression

Filtered Partial Differential Equations: a robust surrogate constraint in physics-informed deep learning framework

no code implementations7 Nov 2023 Dashan Zhang, Yuntian Chen, Shiyi Chen

However, when facing the complex real-world, most of the existing methods still strongly rely on the quantity and quality of observation data.

Physics-informed machine learning

Stabilizing the Maximal Entropy Moment Method for Rarefied Gas Dynamics at Single-Precision

1 code implementation6 Mar 2023 Candi Zheng, Wang Yang, Shiyi Chen

This paper aims to stabilize MEM, making it possible to simulating very strong normal shock waves on modern GPUs at single precision.

valid

Graph Partner Neural Networks for Semi-Supervised Learning on Graphs

no code implementations18 Oct 2021 Langzhang Liang, Cuiyun Gao, Shiyi Chen, Shishi Duan, Yu Pan, Junjin Zheng, Lei Wang, Zenglin Xu

Graph Convolutional Networks (GCNs) are powerful for processing graph-structured data and have achieved state-of-the-art performance in several tasks such as node classification, link prediction, and graph classification.

Graph Classification Link Prediction +1

Data-Driven Constitutive Relation Reveals Scaling Law for Hydrodynamic Transport Coefficients

no code implementations1 Aug 2021 Candi Zheng, Yang Wang, Shiyi Chen

We further proposed a constitutive relation model based on scaling law and tested it on the calculation of Rayleigh scattering spectra.

regression Relation +2

Heterogeneous-Temporal Graph Convolutional Networks: Make the Community Detection Much Better

no code implementations23 Sep 2019 Yaping Zheng, Shiyi Chen, Xinni Zhang, Xiaofeng Zhang, Xiaofei Yang, Di Wang

Community detection has long been an important yet challenging task to analyze complex networks with a focus on detecting topological structures of graph data.

Community Detection

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