RBF collocation method and stability analysis for phononic crystals

Chunqiu Wei, Zhizhong Yan*, Hui Zheng, Chuanzeng Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The mesh-free radial basis function (RBF) collocation method is explored to calculate band structures of periodic composite structures. The inverse multi-quadric (MQ), Gaussian, and MQ RBFs are used to test the stability of the RBF collocation method in periodic structures. Much useful information is obtained. Due to the merits of the RBF collocation method, the general form in this paper can easily be applied in the high dimensional problems analysis. The stability is fully discussed with different RBFs. The choice of the shape parameter and the effects of the knot number are presented.

Original languageEnglish
Pages (from-to)627-638
Number of pages12
JournalApplied Mathematics and Mechanics (English Edition)
Volume37
Issue number5
DOIs
Publication statusPublished - 1 May 2016

Keywords

  • phononic crystal (PC)
  • radial basis function (RBF)
  • stability

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