NDLI: Generalized FDTD-ADI: an unconditionally stable full-wave Maxwell's equations solver for VLSI interconnect modeling

Content Provider	IEEE Xplore Digital Library
Author	Chen, C.C.-P. Tae-Woo Lee Murugesan, N. Hagness, S.C.
Copyright Year	2000
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA (Chen, C.C.-P.)
Abstract	The finite-difference time-domain (FDTD) method of solving the full-wave Maxwell's equations has been recently extended to provide accurate and numerically stable operation for time steps exceeding the Courant limit. The elimination of an upper bound on the size of the time step was achieved using an alternating-implicit direction (ADI) time-stepping scheme. This greatly increases the computational efficiency of the FDTD method for classes of problems where the cell size of the three-dimensional space lattice is constrained to be much smaller than the shortest wavelength in the source spectrum. One such class of problems is the analysis of highspeed VLSI interconnects where full-wave methods are often needed for the accurate analysis of parasitic electromagnetic wave phenomena. In this paper, we present an enhanced FDTD-ADI formulation which permits the modeling of realistic lossy materials such as semiconductor substrates and metal conductors as well as artificial lossy materials needed for perfectly matched layer (PML) absorbing boundary conditions. Simulations using our generalized FDTD-ADI formulation are presented to demonstrate the accuracy and extent to which the computational burden is reduced by the ADI scheme.
Starting Page	156
Ending Page	163
File Size	756653
Page Count	8
File Format	PDF
ISBN	0780364457
ISSN	10923152
DOI	10.1109/ICCAD.2000.896466
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-11-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite difference methods Conducting materials Time domain analysis Electromagnetic analysis Inorganic materials Semiconductor materials Maxwell equations Upper bound Computational efficiency Lattices
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Computer Science Applications Software

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