Stabilized DG-PSTD method with nonconformal meshes for electromagnetic waves
We present a node-based discontinuous Galerkin (DG) pseudospectral time domain (PSTD)
algorithm, with adaptive nonconformal unstructured meshes, for 3-D large-scale Maxwell's …
algorithm, with adaptive nonconformal unstructured meshes, for 3-D large-scale Maxwell's …
Scientific machine learning enables multiphysics digital twins of large-scale electronic chips
X Li, Q Zhan, B Sun, H Feng, Y Zeng… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
We propose a scientific machine learning (SciML) algorithm toward 3-D dynamic digital
twins, which represent multiphysics coupling effects in large-scale electronic chips. The …
twins, which represent multiphysics coupling effects in large-scale electronic chips. The …
Viscoelastic wave propagation for nearly constant Q transverse isotropy
Constant Q, also called frequency‐independent Q, is a phenomenological assumption often
used in practice for dissipative wave propagation in both forward and inverse seismic …
used in practice for dissipative wave propagation in both forward and inverse seismic …
Domain decomposition for large-scale viscoacoustic wave simulation using localized pseudo-spectral method
Wave simulation in absorptive media using decoupled fractional Laplacian wave equation
has received widespread attention in recent years, largely due to its precise description of …
has received widespread attention in recent years, largely due to its precise description of …
Spectral element modeling of elastic wave propagation in an anisotropic background with discrete anisotropic fractures
J Xu, H Hu, QH Liu, Q Zhan… - Geophysical Journal …, 2021 - academic.oup.com
We formulate and implement a spectral element method to simulate elastic wave
propagation in an arbitrary anisotropic background with discrete anisotropic fractures. The …
propagation in an arbitrary anisotropic background with discrete anisotropic fractures. The …
An unsplit CFS-PML scheme for the second-order wave equation with its application in fractional viscoacoustic simulation
The unsplit complex frequency-shifted perfectly matched layer (CFS-PML) has been widely
used in the first-order wave equation in velocity and stress while rarely formulated for the …
used in the first-order wave equation in velocity and stress while rarely formulated for the …
On the numerical resolution of the second-order viscoacoustic and viscoelastic anisotropic wave equations using the recursive convolution method
Accurate and efficient seismic wave modeling is fundamental for the high-resolution seismic
full-waveform inversion and correct interpretation of seismic data. Based on the viscoelastic …
full-waveform inversion and correct interpretation of seismic data. Based on the viscoelastic …
P-wave propagation in attenuative elliptical VTI media
Q Hao, I Tsvankin - Geophysics, 2024 - library.seg.org
Elliptical anisotropy is convenient to use as the reference medium in perturbation methods
designed to study P-wave propagation for transverse isotropy (TI). We make the elliptically …
designed to study P-wave propagation for transverse isotropy (TI). We make the elliptically …
Adaptive discontinuous Galerkin modeling of intrinsic attenuation anisotropy for fluid-saturated porous media
An hp-and memory-adaptive discontinuous Galerkin time-domain algorithm is presented to
efficiently model wave propagation in poroelastic media, with the incorporation of 3-D fully …
efficiently model wave propagation in poroelastic media, with the incorporation of 3-D fully …
An Efficient Higher-Order PML Algorithm Based on the Direct Integration Method
KL Li, Z Wang, Y Zhang - IEEE Microwave and Wireless …, 2024 - ieeexplore.ieee.org
An efficient higher-order (HO) perfectly matched layer (PML) algorithm based on the direct
integration (DI) method is proposed for terminating finite-difference time-domain (FDTD) …
integration (DI) method is proposed for terminating finite-difference time-domain (FDTD) …