Search Results for author: Yinghua Liu

Found 5 papers, 2 papers with code

DCEM-PINNs: A deep complementary energy method for solid mechanics

1 code implementation3 Feb 2023 Yizheng Wang, Jia Sun, Timon Rabczuk, Yinghua Liu

The results demonstrate that DCEM outperforms DEM in terms of stress accuracy and efficiency and has an advantage in dealing with complex displacement boundary conditions, which is supported by theoretical analyses and numerical simulations.

Operator learning

BINN: A deep learning approach for computational mechanics problems based on boundary integral equations

no code implementations11 Jan 2023 Jia Sun, Yinghua Liu, Yizheng Wang, Zhenhan Yao, Xiaoping Zheng

The boundary integral equations are employed to transfer all the unknowns to the boundary, then the unknowns are approximated using neural networks and solved through a training process.

PETS-SWINF: A regression method that considers images with metadata based Neural Network for pawpularity prediction on 2021 Kaggle Competition "PetFinder.my"

no code implementations16 Jan 2022 Yizheng Wang, Yinghua Liu

In order to better adopt stray animals, scoring the pawpularity (cuteness) of stray animals is very important, but evaluating the pawpularity of animals is a very labor-intensive thing.

regression

CENN: Conservative energy method based on neural networks with subdomains for solving variational problems involving heterogeneous and complex geometries

1 code implementation25 Sep 2021 Yizheng Wang, Jia Sun, Wei Li, Zaiyuan Lu, Yinghua Liu

The advantage of the proposed method is higher efficiency, more accurate, and less hyperparameters than the strong form PINN with subdomains.

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