Search Results for author: Liwei Hu

Found 4 papers, 0 papers with code

Incorporating Riemannian Geometric Features for Learning Coefficient of Pressure Distributions on Airplane Wings

no code implementations22 Dec 2023 Liwei Hu, Wenyong Wang, Yu Xiang, Stefan Sommer

The aerodynamic coefficients of aircrafts are significantly impacted by its geometry, especially when the angle of attack (AoA) is large.

Deep Attention

A Manifold-based Airfoil Geometric-feature Extraction and Discrepant Data Fusion Learning Method

no code implementations23 Jun 2022 Yu Xiang, Guangbo Zhang, Liwei Hu, Jun Zhang, Wenyong Wang

Geometrical shape of airfoils, together with the corresponding flight conditions, are crucial factors for aerodynamic performances prediction.

Multi-Task Learning

Aerodynamic Data Predictions Based on Multi-task Learning

no code implementations15 Oct 2020 Liwei Hu, Yu Xiang, Jun Zhan, Zifang Shi, Wenzheng Wang

Predicting high-speed data is more difficult than predicting low-speed data, owing to that the number of high-speed data is limited, i. e. the quality of the Burgers' dataset is not satisfactory.

Multi-Task Learning

Flow Field Reconstructions with GANs based on Radial Basis Functions

no code implementations11 Aug 2020 Liwei Hu, Wenyong Wang, Yu Xiang, Jun Zhang

Motivated by the problems of existing approaches and inspired by the success of the generative adversarial networks (GANs) in the field of computer vision, we prove an optimal discriminator theorem that the optimal discriminator of a GAN is a radial basis function neural network (RBFNN) while dealing with nonlinear sparse FFD regression and generation.

regression

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