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An effective precondition technology for RCS accurate computational engineering of aircrafts

  • Hong Xia Zhang*
  • , Dong Lin Su
  • , Li Xing Zhang
  • *此作品的通讯作者
  • Beihang University
  • Aviation Industry Development and Research Center of China

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

A precondition method without additional memory is presented to reduce the iterations and improve solving efficiency when accurate method is used to calculate the RCS of aircrafts. By utilizing the feature of near groups impedance matrix is sparse in MLFMA, the near groups impedance matrix is divided into the one with the same father and others with different father. The inverse matrix of the impedance matrix with the same father is used as the precondition matrix in parallel MLFMA to reduce iteration numbers, accelerate the convergence. The numerical results show that the presented method can significant reduce the iterations and converge rapidly. The method is practical in the RCS accurate computational engineering of aircrafts.

源语言英语
主期刊名2012 10th International Symposium on Antennas, Propagation and EM Theory, ISAPE 2012
页893-896
页数4
DOI
出版状态已出版 - 2012
活动2012 10th International Symposium on Antennas, Propagation and EM Theory, ISAPE 2012 - Xi'an, 中国
期限: 22 10月 2012 → 26 10月 2012

丛书

姓名2012 10th International Symposium on Antennas, Propagation and EM Theory, ISAPE 2012

会议

会议2012 10th International Symposium on Antennas, Propagation and EM Theory, ISAPE 2012
国家/地区中国
市Xi'an
时期22/10/12 → 26/10/12

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