Abstract

Based on the thin conductive (TC) sheet method shown in [1], an extended scheme to treat lossy TC sheets of arbitrary three-dimensional shape and curvature with the electromagnetic (EM) finite-difference time-domain (FDTD) algorithm is proposed. Due to the complexity of real-world FDTD applications such as mobile phones, the 3D models must be analyzed and correctly resolved to guarantee reliable accuracy at affordable computational costs. Thus, the method has been enhanced with an automated curvature analysis engine and simulation pre-processor to guarantee accurate treatment of highly curved objects in state-of-the-art real-world FDTD simulations. The method, including the geometric analysis engine, has been implemented within the framework of an EM FDTD software package. The novel methods have been applied to and tested on real-world applications such as mobile phones.

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