Abstract
The finite element modeling of three dimensional structures is important for researchers especially in the field of antennas and other domains of electromagnetic waves. This paper presents a finite element calculations and numerical analysis for the microstrip patch antennas. In this paper, two different designs have been modelled and analyzed and both designs are based on the rectangular patches. The feeding point of one design is inside the patch while the other design contains feeding point outside the patch is T shaped. The computational analysis showed some interesting results for radiation pattern and far field domain. For these designs, the characteristic impedance taken is 50 Ω and the operating frequency domain is 1.4 to 1.7 GHz. The microstrip patch antennas are encapsulated in the inert spherical atmosphere of 20 mm thickness containing air inside it.
Highlights
The application of patch antennas is significant in modern era of wireless communication systems due to its light weight, small size, easy installation, and is economical [1]
The finite element modeling of three dimensional structures is important for researchers especially in the field of antennas and other domains of electromagnetic waves
This paper presents a finite element calculations and numerical analysis for the microstrip patch antennas
Summary
The application of patch antennas is significant in modern era of wireless communication systems due to its light weight, small size, easy installation, and is economical [1]. Several numerical simulation methods have been used to design microstrip structures of a patch antenna These methods are finite difference time domain (FDTD), transmission line matrix (TLM), finite element method (FEM), and method of moments (MoM) [11,12,13,14]. Two different designs of rectangular patch antennas are modeled and analyzed using finite element method. Both the designs were analyzed at the same operating frequency and the behaviour of far field domain and the polar graph indicating radiation patterns were observed. The section of the paper provides the mathematical analysis for the microstrip patch antennas using finite element method.
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