Frequências e Autofunções do Sistema de duas Cordas Acopladas
DOI:
https://doi.org/10.5902/2179460X12822Keywords:
Frequências naturais, autofunções, base dinâmica, sistema corda dupla, camada viscoelástica.Abstract
Neste trabalho, é considerado um sistema formado por duas cordas paralelas, bi-apoiadas sujeitas a uma tensão constante e
anexadas por uma camada viscoelástica. O deslocamento transversal do modelo é descrito por duas equações diferenciais parciais
de segunda ordem acopladas devido ao termo viscoelástico. O sistema é resolvido através da metodologia que usa uma formulação
matricial em blocos e a base dinâmica para determinar as frequências e as autofunções ou modos de vibração do problema.
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