Search Results for author: Chengping Rao

Found 9 papers, 5 papers with code

Physics-informed neural network for seismic wave inversion in layered semi-infinite domain

no code implementations9 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.

Seismic Inversion

SeismicNet: Physics-informed neural networks for seismic wave modeling in semi-infinite domain

no code implementations25 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.

Computational Efficiency

Physics-informed Deep Super-resolution for Spatiotemporal Data

1 code implementation2 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.

Super-Resolution

Discovering Nonlinear PDEs from Scarce Data with Physics-encoded Learning

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.

PhyCRNet: Physics-informed Convolutional-Recurrent Network for Solving Spatiotemporal PDEs

2 code implementations26 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.

Encoding physics to learn reaction-diffusion processes

2 code implementations9 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).

Epidemiology

Hard Encoding of Physics for Learning Spatiotemporal Dynamics

no code implementations2 May 2021 Chengping Rao, Hao Sun, Yang Liu

Modeling nonlinear spatiotemporal dynamical systems has primarily relied on partial differential equations (PDEs).

Epidemiology

Physics informed deep learning for computational elastodynamics without labeled data

1 code implementation10 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.

Philosophy

Physics-informed deep learning for incompressible laminar flows

1 code implementation24 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.

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