Simulation of Patch and Slot Antennas Using Fem with Prismatic Elements and Investigations of Artificial Absorber Mesh Termination Schemes
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Home > Reference > Research and information: general > Research methods: general > Simulation of Patch and Slot Antennas Using Fem with Prismatic Elements and Investigations of Artificial Absorber Mesh Termination Schemes
Simulation of Patch and Slot Antennas Using Fem with Prismatic Elements and Investigations of Artificial Absorber Mesh Termination Schemes

Simulation of Patch and Slot Antennas Using Fem with Prismatic Elements and Investigations of Artificial Absorber Mesh Termination Schemes


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About the Book

Year 1 progress can be characterized with four major achievements which are crucial toward the development of robust, easy to use antenna analysis code on doubly conformal platforms. (1) A new FEM code was developed using prismatic meshes. This code is based on a new edge based distorted prism and is particularly attractive for growing meshes associated with printed slot and patch antennas on doubly conformal platforms. It is anticipated that this technology will lead to interactive, simple to use codes for a large class of antenna geometries. Moreover, the codes can be expanded to include modeling of the circuit characteristics. An attached report describes the theory and validation of the new prismatic code using reference calculations and measured data collected at the NASA Langley facilities. The agreement between the measured and calculated data is impressive even for the coated patch configuration. (2) A scheme was developed for improved feed modeling in the context of FEM. A new approach based on the voltage continuity condition was devised and successfully tested in modeling coax cables and aperture fed antennas. An important aspect of this new feed modeling approach is the ability to completely separate the feed and antenna mesh regions. In this manner, different elements can be used in each of the regions leading to substantially improved accuracy and meshing simplicity. (3) A most important development this year has been the introduction of the perfectly matched interface (PMI) layer for truncating finite element meshes. So far the robust boundary integral method has been used for truncating the finite element meshes. However, this approach is not suitable for antennas on nonplanar platforms. The PMI layer is a lossy anisotropic absorber with zero reflection at its interface. (4) We were able to interface our antenna code FEMA_CYL (for antennas on cylindrical platforms) with a standard high frequency code. This interface was achieved by first generating e...


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Product Details
  • ISBN-13: 9781722738693
  • Publisher: Createspace Independent Publishing Platform
  • Publisher Imprint: Createspace Independent Publishing Platform
  • Height: 279 mm
  • No of Pages: 96
  • Spine Width: 5 mm
  • Width: 216 mm
  • ISBN-10: 1722738693
  • Publisher Date: 10 Jul 2018
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Weight: 245 gr


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Simulation of Patch and Slot Antennas Using Fem with Prismatic Elements and Investigations of Artificial Absorber Mesh Termination Schemes
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