Author pages are created from data sourced from our academic publisher partnerships and public sources.

- Publications
- Influence

A perfectly matched anisotropic absorber for use as an absorbing boundary condition

- Z. Sacks, D. M. Kingsland, R. Lee, J. Lee
- Physics
- 1 December 1995

An alternative formulation of the "perfectly matched layer" mesh truncation scheme is introduced. The present scheme is based on using a layer of diagonally anisotropic material to absorb outgoing… Expand

Time-domain finite-element methods

- J. Lee, R. Lee, A. Cangellaris
- Mathematics
- 1 March 1997

Various time-domain finite-element methods for the simulation of transient electromagnetic wave phenomena are discussed. Detailed descriptions of test/trial spaces, explicit and implicit… Expand

Full-wave analysis of dielectric waveguides using tangential vector finite elements

A novel method is presented for the analysis of dielectric waveguides. This method provides four major new contributions: (1) a transformation of variables is introduced that allows propagation… Expand

Integral Equation Based Domain Decomposition Method for Solving Electromagnetic Wave Scattering From Non-Penetrable Objects

The integral equation (IE) method is commonly utilized to model time-harmonic electromagnetic (EM) problems. One of the greatest challenges in its applications arises in the solution of the resulting… Expand

A non-overlapping domain decomposition method with non-matching grids for modeling large finite antenna arrays

- Seung-Cheol Lee, M. Vouvakis, J. Lee
- Mathematics
- 10 February 2005

A non-overlapping domain decomposition method (DDM) is proposed herein to solve Maxwell equations in R^3. In this work, the Maxwell equations are discretized using a vector finite element method with… Expand

A Discontinuous Galerkin Surface Integral Equation Method for Electromagnetic Wave Scattering From Nonpenetrable Targets

- Z. Peng, Kheng-Hwee Lim, J. Lee
- Physics
- IEEE Transactions on Antennas and Propagation
- 16 April 2013

We present a discontinuous Galerkin surface integral equation method, herein referred to as IEDG, for time harmonic electromagnetic wave scattering from nonpenetrable targets. The proposed IEDG… Expand

A fast IE-FFT algorithm for solving PEC scattering problems

This paper presents a novel fast integral equation method, termed IE-FFT, for solving large electromagnetic scattering problems. Similar to other fast integral equation methods, the IE-FFT algorithm… Expand

A Domain Decomposition Method With Nonconformal Meshes for Finite Periodic and Semi-Periodic Structures

- K. Zhao, Vineet Rawat, Seung-Cheol Lee, J. Lee
- Mathematics
- IEEE Transactions on Antennas and Propagation
- 4 September 2007

We present a domain decomposition method as a preconditioner for Krylov-type solvers to model complex electromagnetic problems containing periodicities. The method reduces memory requirements by… Expand

Computations of Electromagnetic Wave Scattering From Penetrable Composite Targets Using a Surface Integral Equation Method With Multiple Traces

- Z. Peng, Kheng-Hwee Lim, J. Lee
- Physics
- IEEE Transactions on Antennas and Propagation
- 2013

We present a surface integral equation domain decomposition method (SIE-DDM) for time harmonic electromagnetic wave scattering from bounded composite targets. The proposed SIE-DDM starts by… Expand

A Domain Decomposition Method for Electromagnetic Radiation and Scattering Analysis of Multi-Target Problems

- K. Zhao, Vineet Rawat, J. Lee
- Physics
- IEEE Transactions on Antennas and Propagation
- 5 August 2008

A domain decomposition method is presented for analyzing electromagnetic problems involving multiple separable scatterers. The method first decomposes the original problem into several disjoint… Expand