no code implementations • 9 May 2023 • Pu Ren, Chengping Rao, Hao Sun, Yang Liu
In this paper, we present a PINN framework for seismic wave inversion in layered (1D) semi-infinite domain.
no code implementations • 25 Oct 2022 • Pu Ren, Chengping Rao, Su Chen, Jian-Xun Wang, Hao Sun, Yang Liu
In this paper, we present a novel physics-informed neural network (PINN) model for seismic wave modeling in semi-infinite domain without the nedd of labeled data.
1 code implementation • 2 Aug 2022 • Pu Ren, Chengping Rao, Yang Liu, Zihan Ma, Qi Wang, Jian-Xun Wang, Hao Sun
High-fidelity simulation of complex physical systems is exorbitantly expensive and inaccessible across spatiotemporal scales.
no code implementations • ICLR 2022 • Chengping Rao, Pu Ren, Yang Liu, Hao Sun
There have been growing interests in leveraging experimental measurements to discover the underlying partial differential equations (PDEs) that govern complex physical phenomena.
2 code implementations • 26 Jun 2021 • Pu Ren, Chengping Rao, Yang Liu, JianXun Wang, Hao Sun
Partial differential equations (PDEs) play a fundamental role in modeling and simulating problems across a wide range of disciplines.
2 code implementations • 9 Jun 2021 • Chengping Rao, Pu Ren, Qi Wang, Oral Buyukozturk, Hao Sun, Yang Liu
Modeling complex spatiotemporal dynamical systems, such as the reaction-diffusion processes, have largely relied on partial differential equations (PDEs).
no code implementations • 2 May 2021 • Chengping Rao, Hao Sun, Yang Liu
Modeling nonlinear spatiotemporal dynamical systems has primarily relied on partial differential equations (PDEs).
1 code implementation • 10 Jun 2020 • Chengping Rao, Hao Sun, Yang Liu
In this paper, we present a physics-informed neural network (PINN) with mixed-variable output to model elastodynamics problems without resort to labeled data, in which the I/BCs are hardly imposed.
1 code implementation • 24 Feb 2020 • Chengping Rao, Hao Sun, Yang Liu
Physics-informed deep learning has drawn tremendous interest in recent years to solve computational physics problems, whose basic concept is to embed physical laws to constrain/inform neural networks, with the need of less data for training a reliable model.