3 papers
physics.geo-ph2026
Wavelet Packet-Based Diffusion Model for Ground Motion Generation with Multi-Conditional Energy and Spectral Matching
Yi Ding, Su Chen, Jinjun Hu +3
Temporal energy distribution strongly affects nonlinear structural response and cumulative damage. We propose a multi-conditional diffusion framework for ground motion synthesis th…
cs.LG2024
Discovery and inversion of the viscoelastic wave equation in inhomogeneous media
Su Chen, Yi Ding, Hiroe Miyake +1
In scientific machine learning, the task of identifying partial differential equations accurately from sparse and noisy data poses a significant challenge. Current sparse regressio…
physics.geo-ph2024
Physics-informed Neural Networks with Fourier Features for Seismic Wavefield Simulation in Time-Domain Nonsmooth Complex Media
Yi Ding, Su Chen, Hiroe Miyake +1
Physics-informed neural networks (PINNs) have great potential for flexibility and effectiveness in forward modeling and inversion of seismic waves. However, coordinate-based neural…