Fast 3D transient electromagnetic forward modeling using BEDS-FDTD algorithm and GPU parallelization

S Liu, C Chen, H Sun - Geophysics, 2022 - library.seg.org
The time-step sizes of the conventional finite-difference time-domain (FDTD) method are
severely restricted by the Courant-Friedrichs-Lewy stability condition. This may result in …

Performance enhanced Crank-Nicolson boundary conditions for EM problems

P Wu, Y Xie, H Jiang, T Natsuki - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Based upon the approximate Crank-Nicolson (CN) algorithms and the higher order (HO)
concept, unconditionally stable perfectly matched layer (PML) implementations are …

Modified Lorentz model-based ADE-WLP-FDTD method simulation on THz wave propagation properties of tumor tissue

H Tian, S He, M Wang, G Li, M Yu… - IEEE Antennas and …, 2021 - ieeexplore.ieee.org
An auxiliary differential equation (ADE) finite-difference time-domain (FDTD) method based
on the weighted Laguerre polynomials (WLP) algorithm is developed to study wave …

3D transient electromagnetics forward modeling using BEDS-FDTD and its stability verification

SB LIU, HF SUN, WH LI, Z WANG, Y Yang - Chinese Journal of …, 2023 - en.dzkx.org
Conventional FDTD algorithm requires the time steps to satisfy the Courant-Friedrich-Lewy
(CFL) stability condition, which leads to too many time iteration steps and makes the 3D TEM …

Complex envelope approximate CN-PML algorithm with improved absorption

P Wu, Y Xie, H Jiang, T Natsuki - IEEE Antennas and Wireless …, 2020 - ieeexplore.ieee.org
By incorporating the complex envelope (CE) method and the higher order concept,
unconditionally stable perfectly matched layer (PML) is proposed based on the Crank …

Accelerating Electromagnetic Field Simulations Based on Memory-Optimized CPML-FDTD with OpenACC

D Padilla-Perez, I Medina-Sanchez, J Hernández… - Applied Sciences, 2022 - mdpi.com
Although GPUs can offer higher computing power at low power consumption, their low-level
programming can be relatively complex and consume programming time. For this reason …

System incorporated direct-splitting algorithm for periodic nonuniform metamaterial design in open regions

P Wu, J Wang, J Chen, H Jiang, Y Xie, T Natsuki - Optik, 2022 - Elsevier
Abstract System incorporated (SI) direct-splitting (DS) algorithm is proposed to efficiently
simulate periodic nonuniform structures in open regions. Based on the digital signal …

Analysis of Scattering Characteristics Based on Crank-Nicolson Direct-Splitting Algorithm for Remote Sensing Problems

S Gao, H Jiang, Y Fan, Y Xie, H Jiang… - IEEE Open Journal of …, 2024 - ieeexplore.ieee.org
In remote sensing problems, broadband scattering investigation becomes increasingly
important than ever before. The scattering characteristic changes significantly with the …

Implicit approximate Crank–Nicolson theory for anisotropic ferrite structure simulation with enhanced absorption

P Wu, Y Xie, H Jiang, H Di… - Advanced Theory and …, 2021 - Wiley Online Library
To simulate ferrite structures with anisotropic characteristics efficiently, an unconditionally
stable implementation is proposed by incorporating the approximate Crank–Nicolson (CN) …

One‐Step Leapfrog Locally 1D Theory with Higher‐Order Enhanced Absorption for Fine‐Details Simulation

P Wu, J Chen, Y Xie, H Jiang… - Advanced Theory and …, 2022 - Wiley Online Library
Based on a higher‐order concept and one‐step leapfrog formulation, an unconditionally
stable leapfrog locally 1D (LOD) perfectly matched layer (PML) is proposed to not only …