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A comparison of three meshless algorithms: Radial point interpolation, non-symmetric and symmetric Kansa method
University of Adelaide, Australia.
University of Adelaide, Australia.
ETH Zurich, Switzerland.
2011 (English)In: 2011 IEEE MTT-S International Microwave Symposium Digest, IEEE, 2011Conference paper, Published paper (Refereed)
Abstract [en]

Three different meshless methods based on radial basis functions are investigated for the numerical solution of electromagnetic eigenvalue problems. The three algorithms, the non-symmetric Kansa approach, the symmetric Kansa method and the radial point interpolation method, are first described putting emphasis on the influence of their formalism on practical implementation. The convergence rate of these meshless methods is then investigated, showing through selected examples surprisingly similar performance despite very different formulations. The most appropriate algorithm selection will then depend on efficiency and ease of implementation for the class of problems considered, i.e. eigenvalue problems, frequency-domain or time-domain. When compared to various finite-element (FE) implementations for the presented numerical examples, the meshless methods appear more accurate and efficient than the FE methods. Those results combined with the convenience of node distribution adaptation makes meshless algorithms very promising for electromagnetic simulations.

Place, publisher, year, edition, pages
IEEE, 2011.
Series
IEEE MTT-S International Microwave Symposium Digest, ISSN 0149645X
National Category
Other Physics Topics
Research subject
Mathematics, Mathematics
Identifiers
URN: urn:nbn:se:lnu:diva-81949DOI: 10.1109/MWSYM.2011.5972605ISBN: 9781612847566 (print)OAI: oai:DiVA.org:lnu-81949DiVA, id: diva2:1304760
Conference
International Microwave Symposium (IMS2011), Baltimore, United States, June 5-10, 2011
Available from: 2019-04-13 Created: 2019-04-13 Last updated: 2019-05-13Bibliographically approved

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Engström, Christian

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf