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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

Derivaçao de uma Equação Diferencial Parcial Não-Linear na Propagação de Frentes de Reação em Química / Derivation of a partial differential equation in non-linear propagation of fronts from reaction in chemistry

CARDOSO FILHO, João Lopes 29 August 2008 (has links)
Made available in DSpace on 2014-07-29T16:02:22Z (GMT). No. of bitstreams: 1 Trabalho - Joao Lopes Cardoso Filho.pdf: 808434 bytes, checksum: 704ba35b2a4ad822c43237b7d22af060 (MD5) Previous issue date: 2008-08-29 / In this dissertação we deducted a nonlinear evolution equations which model vertical propagation of chemical reaction fronts. We establish which the initial value problem ∂tu - ∂²x u - ½(∂xu)² - µ(1-∂²x) - ½u = 0, x Є [-π, π], t > 0 u(.,0) = ø, 2 π - periódica it is a the Cauchy problem locally well-posed. / Nesta dissertação deduzimos uma equação de evolução não-linear que modela a propagação vertical de frentes de reação em química. Também resolvemos o problema devalor inicial ∂tu - ∂²x u - ½(∂xu)² - µ(1-∂²x) - ½u = 0, x Є [-π, π], t > 0 u(.,0) = ø, 2 π - periódica Demonstrando a boa-postura do Problema de Cauchy, localmente no tempo.

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