Title :
A Memory-Efficient Scalar Wave 2-D-FDTD Algorithm
Author :
Yu, Tong-Bin ; Zhou, Bi-Hua ; Liu, Shang-He
Author_Institution :
EMP Lab., Nanjing Eng. Inst.
Abstract :
A memory-efficient scalar wave finite-difference time-domain (FDTD) algorithm, using a two dimensional (2-D) mesh is proposed in this letter. The proposed algorithm requires one memory element per cell, instead of the usual three of the conventional 2-D Yee algorithm. This leads to a direct memory reduction of 66% in the storage of fields. Furthermore, the computational efficiency of this algorithm is higher than that of previous scalar wave approaches. A numerical example is given to show the validity of the proposed algorithm, in which the Liao absorbing boundary condition (ABC) is implemented directly
Keywords :
electromagnetic wave propagation; finite difference time-domain analysis; 2D-FDTD algorithm; ABC; Liao absorbing boundary condition; finite-difference time-domain algorithm; memory-efficient scalar wave; Boundary conditions; Computational efficiency; Dielectrics; Finite difference methods; Magnetic materials; Partial differential equations; Polarization; Surface waves; Time domain analysis; Two dimensional displays; Finite-difference time-domain (FDTD) method; memory-efficient; scalar wave;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2006.880780
