Numerical calculation of extremely large reflector antenna using high-performance parallel MLFMA

Xu Min Sun, Bin Li, Xiao Min Pan, Xin Qing Sheng

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The extremely large parabolic reflector of the 500-m aperture spherical telescope (FAST) is calculated. As the largest single dish in the world, the FAST reflector is a spherical cap with a radius of 300 m and an aperture diameter of 500 m. In order to accurately calculate the FAST antenna model, the parallel multilevel fast multipole algorithm (MLFMA) is used, in combination with the improved sparse approximate inverse (SAI) preconditioner algorithm. Fast far-field calculation method based on upward pass of the MLFMA is used to accelerate the code efficiency. Result shows the efficiency for antenna gain is improved several thousand times. To verify the calculation, simulations using commercial software ANSYS FEKO were carried out, and good agreement between calculation and simulation is obtained.

Original languageEnglish
Title of host publicationIEEE iWEM 2013 - 2013 IEEE International Workshop on Electromagnetics
Subtitle of host publicationApplications and Student Innovation Competition
PublisherIEEE Computer Society
Pages46-48
Number of pages3
ISBN (Print)9781479903597
DOIs
Publication statusPublished - 2013
Event2013 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, IEEE iWEM 2013 - Kowloon, Hong Kong
Duration: 1 Aug 20133 Aug 2013

Publication series

NameIEEE iWEM 2013 - 2013 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition

Conference

Conference2013 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, IEEE iWEM 2013
Country/TerritoryHong Kong
CityKowloon
Period1/08/133/08/13

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