Sifan Wang

Understanding and Mitigating Gradient Flow Pathologies in Physics-Informed Neural Networks

Sifan Wang, Yujun Teng, Paris Perdikaris · SIAM Journal on Scientific Computing · 2021 · 1.6K citations

Natural Sciences, Computer Science, Physics +14

When and why PINNs fail to train: A neural tangent kernel perspective

Sifan Wang, Xinling Yu, Paris Perdikaris · Journal of Computational Physics · 2021 · 1.2K citations · Full text

Computing, Computer Science, Machine Learning +4

Physics-Informed Neural Networks for Heat Transfer Problems

Shengze Cai, Zhicheng Wang, Sifan Wang et al. · Journal of Heat Transfer · 2021 · 1.2K citations

Engineering, Mechanical Engineering, Physics +17

Learning the solution operator of parametric partial differential equations with physics-informed DeepONets

Sifan Wang, Hanwen Wang, Paris Perdikaris · Science Advances · 2021 · 726 citations · Full text

Computing, Computer Science, Data Science +14

On the eigenvector bias of Fourier feature networks: From regression to solving multi-scale PDEs with physics-informed neural networks

Sifan Wang, Hanwen Wang, Paris Perdikaris · Computer Methods in Applied Mechanics and Engineering · 2021 · 624 citations · Full text

Natural Sciences, Mathematics, Physics +15