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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Metodologia de discretização espacial para o método radial de interpolação por pontos (RPIM) aplicada para solução numérica das equações de Maxwell

SOUSA, Washington César Braga de 04 March 2013 (has links)
Submitted by Edisangela Bastos (edisangela@ufpa.br) on 2013-05-03T22:23:10Z No. of bitstreams: 2 license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) Dissertacao_MetodologiaDiscretizacaoEspacial.pdf: 10601472 bytes, checksum: b4354bb62056e69310170ea2834e0ead (MD5) / Approved for entry into archive by Ana Rosa Silva(arosa@ufpa.br) on 2013-05-06T15:13:55Z (GMT) No. of bitstreams: 2 license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) Dissertacao_MetodologiaDiscretizacaoEspacial.pdf: 10601472 bytes, checksum: b4354bb62056e69310170ea2834e0ead (MD5) / Made available in DSpace on 2013-05-06T15:13:55Z (GMT). No. of bitstreams: 2 license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) Dissertacao_MetodologiaDiscretizacaoEspacial.pdf: 10601472 bytes, checksum: b4354bb62056e69310170ea2834e0ead (MD5) Previous issue date: 2013 / Neste trabalho, foi desenvolvido e implementado um método de discretização espacial baseado na lei de Coulomb para geração de pontos que possam ser usados em métodos meshless para solução das equações de Maxwell. Tal método aplica a lei de Coulomb para gerar o equilíbrio espacial necessário para gerar alta qualidade de discretização espacial para um domínio de análise. Este método é denominado aqui de CLDM (Coulomb Law Discretization Method ) e é aplicado a problemas bidimensionais. Utiliza-se o método RPIM (Radial Point Interpolation Method) com truncagem por UPML (Uniaxial Perfectlly Matched Layers) para solução das equações de Maxwell no domínio do tempo (modo TMz). / In this work, a new method, based on Coulomb's Law, has been developed and computationally implemented for performing spatial discretization for meshless methods. The new methodology, named Coulomb Law Discretization Method (CLDM), employs an adapted version of the Coulomb's vector force equation for obtaining a balanced distribution of nodes in space, in such way to achieve high discretization quality for the node set. The Radial Point Interpolation Method (RPIM) and the Uniaxial Perfectly Matched Layers (UPML) are used for solving Maxwell's Equations in time domain for 2D problems (TMz mode).

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