Efficiency evaluation of a percussive drill rig using rate-energy ratio based on rock drilling tests

Q Shen, Y Wang, R Cao, Y Liu - Journal of Petroleum Science and …, 2022 - Elsevier
The drilling efficiency of a percussive drill rig which is widely used in rock engineering
attracts great attention. The goal of a higher drilling rate and lower specific energy is …

Unified Riemann solution for multi-physics coupling: Anisotropic poroelastic/elastic/fluid interfaces

Q Zhan, M Zhuang, Y Mao, QH Liu - Journal of Computational Physics, 2020 - Elsevier
For wave propagation problems, we derive a closed expression of Riemann solvers for the
interface between two distinct physics models with anisotropic material properties. For the …

Stabilized DG-PSTD method with nonconformal meshes for electromagnetic waves

Q Zhan, Y Fang, M Zhuang, M Yuan… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
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 …

3-D simulation of wave propagation in the fractured porous media for subsurface sensing: A rotated staggered finite-difference algorithm based on equivalent medium …

J Xu, H Hu, B Han - IEEE Transactions on Geoscience and …, 2023 - ieeexplore.ieee.org
In the geophysical exploration, the simulation and investigation of wavefields in the porous
media including multiple discrete fractures is a challenging problem. The traditional …

Transient electromagnetic–thermal cosimulation for micrometer-level components

Y Xue, Q Ren, J Chen, Y Zhou - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, an electromagnetic–thermal coupling algorithm based on the discontinuous
Galerkin time-domain (DGTD) and spectral-element time-domain (SETD) methods is …

Parallel subdomain-level DGTD method with automatic load balancing scheme with tetrahedral and hexahedral elements

J Mi, Q Ren, D Su - IEEE Transactions on Antennas and …, 2020 - ieeexplore.ieee.org
In this article, an automatic load balancing method for the parallel subdomain-level
discontinuous Galerkin time-domain (DGTD) method has been proposed based on the …

Reflection of inhomogeneous plane waves at the surface of an unsaturated porothermoelastic media

M Kumari, P Kaswan, M Kumar, P Yadav - The European Physical Journal …, 2022 - Springer
A generalized porothermoelasticity theory developed by Wang et al.(IEEE Trans Geosci
Remote Sens 60: 1–14, 2021) for plane wave propagation in an unsaturated …

Seismoelectric wave propagation simulation by combining poro-viscoelastic anisotropic model with Cole–Cole depression model

L Han, Y Ji, W Ye, S Wang, J Lin… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Considering the viscoelastic anisotropy and electrical depression characteristics of the
complex geological media, we introduce the generalized standard linear solid (GSLS) …

Complete-Q model for poro-viscoelastic media in subsurface sensing: Large-scale simulation with an adaptive DG algorithm

Q Zhan, M Zhuang, Z Zhou, JG Liu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, full mechanisms of dissipation and dispersion in poro-viscoelastic media are
accurately simulated in time domain. Specifically, four Q values are first proposed to depict a …

Tutorial: Source simulation for 3D poroelastic wave equations

Y Zhang, J Gao - Geophysics, 2019 - pubs.geoscienceworld.org
The choice of seismic sources is an important issue in numerical simulation. To demonstrate
the importance of the seismic source and investigate the wavefields of different seismic …