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Refinamento espacial aplicado a um reactor de leito fixo

Authors: Guiné, Raquel;

Refinamento espacial aplicado a um reactor de leito fixo

Abstract

O presente trabalho tem por objectivo desenvolver um algoritmo de refinamento espacial baseado no método das linhas, para resolver um sistema de equações não lineares de derivadas parciais parabólicas, que traduz o comportamento de um reactor de leito fixo. O algoritmo proposto tem como principal objectivo o melhoramento da solução nas zonas onde o valor do indicador de erro espacial definido for mais elevado. Esse melhoramento é feito em determinados sub-intervalos através do cálculo da solução em pontos que resultam de divisões sucessivas do passo de discretização. O algoritmo apresentado revelou-se bastante eficiente na solução do problema descrito em estado transiente, permitindo a obtenção de soluções de boa qualidade em tempos relativamente baixos.

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Portugal
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Keywords

Eeactor de leito fixo, Algoritmos, Sistema de equações não lineares de derivadas parciais parabólicas, Algoritmo de refinamento espacial

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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