Development Of Finite-Difference Time-Domain (FDTD)/ Periodic Boundary Condition (PBC) Software For Modeling Microwave Absorber Material At Ku Band Frequency

Syarifah Nasuha, Syed Ali (2014) Development Of Finite-Difference Time-Domain (FDTD)/ Periodic Boundary Condition (PBC) Software For Modeling Microwave Absorber Material At Ku Band Frequency. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis is writing about the project which is developing Finite Difference Time Domain (FDTD) / Periodic Boundary Condition (PBC) software. The developed software is for modeling microwave absorber material. This project implements the computational electromagnetic method in solving the electromagnetic problem via analysis. Besides that, the developed software is based on FDTD algorithm that well arranged in the Fortran software. Besides the FDTD concept, there are many other concepts that used in this project to properly simulate the microwave absorber material which are combined altogether to create software that able to model Radar Absorber Material (RAM) structure and doing analysis of that structure. The objective and scope of this project will be explained later in this thesis which state what is this project aim and what is the work scope which limits the project workload. All of the concepts involved in this project is written in the literature review part which gives explanation for all of the concepts and equations involved in developing the software. Then when the software is able to execute perfectly, some analysis were carried out. The analysis was done to two structures which are Frequency Selective Surface (FSS) and Radar Absorber Material (RAM) structure. For the FSS structure, the result obtained is the magnitude of transmission coefficient while for RAM structure, the result obtained is magnitude of reflection coefficient. The result obtained is validated by comparing it with the result from commercial software which is CST. Then, it was discussed related to the objective of this project. Lastly the project was concluded by relating the result discussed with respect to the objective stated.

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