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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

Aplicações da Transformada de Fourier em soluções numéricas de sistemas periódicos em mecânica / Applications of the Fourier Transform in numerical solutions of periodic systems in mechanics

Eduardo, Eligio Carlos 27 April 2018 (has links)
Submitted by Eligio Carlos Eduardo (eligio.eduardo1.618@gmail.com) on 2018-05-23T13:49:44Z No. of bitstreams: 1 dissertacao1.pdf: 4158096 bytes, checksum: 54d269ca38f12cb406b7db6f9a37bc62 (MD5) / Approved for entry into archive by Ana Paula Santulo Custódio de Medeiros null (asantulo@rc.unesp.br) on 2018-05-23T16:58:19Z (GMT) No. of bitstreams: 1 eduardo_ec_me_rcla.pdf: 4148882 bytes, checksum: 140172be0b9d254f494210f1ed894661 (MD5) / Made available in DSpace on 2018-05-23T16:58:19Z (GMT). No. of bitstreams: 1 eduardo_ec_me_rcla.pdf: 4148882 bytes, checksum: 140172be0b9d254f494210f1ed894661 (MD5) Previous issue date: 2018-04-27 / Este trabalho aborda os aspectos teóricos e numérico da Transformada de Fourier, bem como aplicações em sistemas mecânicos periódicos. O estudo iniciou-se com uma revisão bibliográfica que abordou inicialmente aspectos básicos de equações diferenciais ordinárias, métodos numéricos e implementação computacional, o desenvolvimento teórico da Transformada de Fourier, bem como sua implementação. Realizou-se estudos baseados em simulações numéricas de três modelos físicos: o oscilador harmônico, o pêndulo e o pião simétrico. / This work deals with the theoretical and numerical aspects of the Fourier Transform, as well as applications in periodic mechanical systems. It begins with a bibliographical study about a basic review of ordinary differential equations and its numerical solution methods. We also revisit the theoretical of the Fourier Transform as well an its computational implementation. We applied this theory studed in three physical models: the harmonic oscillator, the pendulum and the symmetrical top.

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