By Wenhua Yu, Xiaoling Yang, Yongjun Liu, Department of Electrical and Computer Engineering Raj Mittra, Akira Muto
The finite-difference time-domain (FDTD) strategy has revolutionized antenna layout and electromagnetics engineering. here is a state of the art e-book that specializes in the functionality optimization and engineering functions of FDTD simulation structures. protecting the most recent advancements during this sector, this precise source provide execs specialist recommendation at the FDTD approach, systems, and community platforms. additionally the booklet deals counsel in distinguishing among the various diverse electromagnetics software program applications out there this day. execs additionally discover a whole bankruptcy devoted to huge multi-scale challenge fixing. This useful reference is supported with 250 illustrations, 128 equations, and eleven appendixes jam-packed with useful information processing suggestions regarding the FDTD process.
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Extra resources for Advanced FDTD Method: Parallelization, Acceleration, and Engineering Applications (Artech House Electromagnetic Analysis)
The reason is that the nonphysical reflection from the absorbing boundary is involved in the electric and magnetic currents on the surface of Huygens’ box. The excitation of a dipole antenna can be a simple voltage located in the small feed gap that points from the top of the lower arm to the bottom of the upper arm. In order to speed up the convergence, we need to place a lumped element (say, the resistance is 50 ohms) along the excitation path. We select the resistance to be 50 ohms because the return loss will be normalized to 50 ohms.
Its performance is very good even if the number of nodes is more than hundreds or thousands. 5 A four-port network switch can connect four regular PCs together to form a typical PC cluster. The network cost can be ignored compared to the computer price. The main features of the high-performance cluster include the highperformance servers or workstations with ECC memory and fast network system. 6 A cluster with the high-performance servers installed with the ECC memory allows us extremely stably to run the projects for a long time .
However, we will still need to ensure that the mesh inside the fine structure is continuous. 2 (b) Thin structure key point key point (c) Local mesh distribution Mesh design scheme for (a) a cell phone model, (b) a thin slanted structure, and (c) the local mesh distribution for the thin structure. 3 Using a key point for a specially shaped structure can significantly reduce the number of unknowns. If a thin structure is parallel to the FDTD coordinates, the mesh generation scheme can capture it without having to use a small cell size.
Advanced FDTD Method: Parallelization, Acceleration, and Engineering Applications (Artech House Electromagnetic Analysis) by Wenhua Yu, Xiaoling Yang, Yongjun Liu, Department of Electrical and Computer Engineering Raj Mittra, Akira Muto