High-Order Hybrid Finite Element Technology for Simulation of Large-Scale Array Antennas Embedded in Inhomogeneous Media

Abstract

This report summarizes our research effort on the development of higher-order hybrid finite element techniques that are capable of simulating large array antennas embedded in inhomogeneous media. The effort led to the development of a suite of FEM-based simulation tools to deal with a variety of array antennas, which include (i) infinitely large periodic phased arrays, (ii) array antennas that are finite in one dimension and infinitely periodic in the other dimension, (iii) finite array antennas with arbitrary array elements, and (iv) conformal array antennas mounted on a large complex platform. The simulation techniques have the following important characteristics: (i) higher-order geometrical modeling, (ii) higher-order field discretization, (iii) hybridization with surface integral equations using fast algorithms, (iv) a highly effective preconditioner, and (v) accurate antenna feed modeling.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2004
Accession Number
ADA427847

Entities

People

  • Jian‐Ming Jin

Organizations

  • University of Illinois Urbana–Champaign

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Algorithms
  • Antenna Feeds
  • Antennas
  • Arrays
  • Computational Science
  • Conformal Antennas
  • Electromagnetic Scattering
  • Equations
  • Finite Element Analysis
  • Geometry
  • Integral Equations
  • Integrals
  • Numerical Analysis
  • Phased Arrays
  • Radiation Patterns
  • Simulations
  • Three Dimensional

Fields of Study

  • Engineering

Readers

  • Distributed Systems and Data Platform Development
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Phased Array Antenna Design.