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CALCULO DE ESTRUCTURAS RETICULARES POR EL METODO DE LAS MATRICES DE TRANSFERENCIA

OCTOBER 1972   -  Volume: 47 -  Pages: 477-480

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Received Date :   1 October 1972


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Article type:
ARTICULO DE INVESTIGACION / RESEARCH ARTICLE
Section:
VARIOUS

En los últimos años el desarrollo de las grandes máquinas de cálculo electrónicas ha originado que se utilicen nuevos métodos de resolución de estructuras más o menos complicadas. Actualmente se tiende a plantear el problema en su forma más general, estableciendo las ecuaciones de barra, nudo y desplazamiento, con lo que se llega a sistemas de muy elevado número de incógnitas, cuya solución era inalcanzable (lo que dio lugar a la creación, en su día, de los métodos de cross, Maney, Kan¡, doble relajación, cte.), pero que, sin embargo, son factibles para los calculadores grandes. Esta mayor precisión ha permitido que en la publicación de nuevas normas y reglamentos se aquilaten los coeficientes de seguridad, lo que es un arma de dos filos, porque en muchos países, como en el nuestro, los calculistas no disponen normalmente de dichas máquinas, que, por su elevado precio, no pueden utilizarse en la mayoría de las oficinas dedicadas a este trabajo.

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