The finite-difference time-domain (FDTD) method is arguably the most popular numerical method for the solution of problems in electromagnetics. Although the FDTD method has existed for nearly 30 years, its popularity continues to grow as computing costs continue to decline. Furthermore, extensions and enhancements to the method are continually being published, which further broaden its appeal. Because of the tremendous amount of FDTD-related research activity, tracking the FDTD literature can be a daunting task. We present a selective survey of FDTD publications. This survey presents some of the significant works that made the FDTD method so popular, and tracks its development up to the present-day state-of-the-art in several areas. An "on-line" BibT/sub E/X database, which contains bibliographic information about many FDTD publications, is also presented. >

A selective survey of the finite-difference time-domain literature

Computation of electromagnetic scattering and radiation using a time-domain finite-volume discretization procedure

Direct time domain computation of Maxwell's differential equations will soon become a practical technique because of the availability of supercomputers. The principal methods used in time domain computations and the supporting theories are presented. The point-matched finite element method is chosen as the main feature of this presentation, which includes the discretization of equations, conforming mesh generation, dielectric and metallic interfaces, numerical stability and simulation of radiation conditions. Numerical results of scattering of Gaussian pulses are presented in time sequences.

Point-matched time domain finite element methods for electromagnetic radiation and scattering

A comparative study of absorbing boundary conditions

An explicit time-domain integration scheme is developed for finite-element spatial discretization of the Maxwell equations. A generalized wave equation is used in weak form, which is free of vector parasites when discretized on single C/sup 0/ elements. The use of integral lumping renders the mass matrix diagonal with no necessary degradation in accuracy. The explicit method which results combines the economy of established finite-difference techniques with the geometric flexibility of finite elements. Test problems representative of practical hyperthermia applications show agreement with analytic and frequency-domain finite-element methods, and confirm scaling arguments on run-time and memory. >

Time-domain integration of the Maxwell equations on finite elements

Three-dimensional computer modeling of electromagnetic fields: A global lookback lattice truncation scheme

A new lattice truncation scheme for the finite difference time domain approach to the solution of Maxwell's equations has been developed. The problem space is truncated near the sources and the field components on its boundary are generated from those field values known at retarded times on an interior surface one cell from it with an integral representation of the electromagnetic field. The numerical implementation of this global lookback scheme is discussed. Examples which have been used to determine its characteristics and its validity are given.

Three-dimensional computer modeling of electromagnetic fields: A global-lookback lattice-truncation scheme

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Three-dimensional computer modeling of electromagnetic fields: A global lookback lattice truncation scheme

Three-dimensional computer modeling of electromagnetic fields: A global-lookback lattice-truncation scheme