461 citations · 1k across the 28 of their papers we have counts for
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Performance Analysis and Dynamic Evolution of Deep Convolutional Neural Network for Nonlinear Inverse Scattering
Lianlin Li, Long Gang Wang, Fernando L. Teixeira
The solution of nonlinear electromagnetic (EM) inverse scattering problems is typically hindered by several challenges such as ill-posedness, strong nonlinearity, and high computat…
Diagnosing numerical Cherenkov instabilities in relativistic plasma simulations based on general meshes
D. -Y. Na, J. L. Nicolini, R. Lee +3
Numerical Cherenkov radiation (NCR) or instability is a detrimental effect frequently found in electromagnetic particle-in-cell (EM-PIC) simulations involving relativistic plasma b…
Finite Element Time-Domain Body-of-Revolution Maxwell Solver based on Discrete Exterior Calculus
Dong-Yeop Na, Ben-Hur V. Borges, Fernando L. Teixeira
We present a finite-element time-domain (FETD) Maxwell solver for the analysis of body-of-revolution (BOR) geometries based on discrete exterior calculus (DEC) of differential form…
Interface-Flattening Transform for EM Field Modeling in Tilted, Cylindrically-Stratified Geophysical Media
Kamalesh Sainath, Fernando L. Teixeira
We propose and investigate an "interface-flattening" transformation, hinging upon Transformation Optics (T.O.) techniques, to facilitate the rigorous analysis of electromagnetic (E…
Full-Wave Algorithm to Model Effects of Bedding Slopes on the Response of Subsurface Electromagnetic Geophysical Sensors near Unconformities
Kamalesh Sainath, Fernando L. Teixeira
We propose a full-wave pseudo-analytical numerical electromagnetic (EM) algorithm to model subsurface induction sensors, traversing planar-layered geological formations of arbitrar…
Spectral-Domain Computation of Fields Radiated by Sources in Non-Birefringent Anisotropic Media
Kamalesh Sainath, Fernando L. Teixeira
We derive the key expressions to robustly address the eigenfunction expansion-based analysis of electromagnetic (EM) fields produced by current sources within planar non-birefringe…
Computation of potentials from current electrodes in cylindrically stratified media: A stable, rescaled semi-analytical formulation
Haksu Moon, Fernando L. Teixeira, Burkay Donderici
We present an efficient and robust semi-analytical formulation to compute the electric potential due to arbitrary-located point electrodes in three-dimensional cylindrically strati…
Spectral-Domain-Based Scattering Analysis of Fields Radiated by Distributed Sources in Planar-Stratified Environments with Arbitrarily Anisotropic Layers
Kamalesh Sainath, Fernando L. Teixeira
We discuss the numerically stable, spectral-domain computation and extraction of the scattered electromagnetic field excited by distributed sources embedded in planar-layered envir…
Tensor Green's Function Evaluation in Arbitrarily Anisotropic, Layered Media using Complex-Plane Gauss-Laguerre Quadrature
Kamalesh Sainath, Fernando L. Teixeira
We discuss the application of Complex-Plane Gauss-Laguerre Quadrature (CGLQ) to efficiently evaluate two-dimensional Fourier integrals arising as the solution to electromagnetic fi…
Complex-Plane Generalization of Scalar Levin Transforms: A Robust, Rapidly Convergent Method to Compute Potentials and Fields in Multi-Layered Media
Kamalesh Sainath, Fernando Teixeira, Burkay Donderici
We propose the complex-plane generalization of a powerful algebraic sequence acceleration algorithm, the Method of Weighted Averages (MWA), to guarantee exponential-cum-algebraic c…
Robust Computation of Dipole Electromagnetic Fields in Arbitrarily-Anisotropic, Planar-Stratified Environments
K. Sainath, F. L. Teixeira, B. Donderici
We develop a general-purpose formulation, based on two-dimensional spectral integrals, for computing electromagnetic fields produced by arbitrarily-oriented dipoles in planar-strat…
Causal--Path Local Time--Stepping in the Discontinuous Galerkin Method for Maxwell's equations
L. D. Angulo, J. Alvarez, F. Teixeira +2
We introduce a novel local time-stepping technique for marching-in-time algorithms. The technique is denoted as Causal-Path Local Time-Stepping (CPLTS) and it is applied for two ti…