Optimización de secciones CFS bajo flexión usando el Algoritmo Genético

P.S.  Kumar; G.  Dhamodhara Kannan

doi:10.3989/ic.76866

Autores/as

P.S. Kumar Departamento de Ingeniería Civil, Profesor Asistente, Colegio de Tecnología del Gobierno https://orcid.org/0000-0001-9108-5668
G. Dhamodhara Kannan Departamento de Ingeniería Civil, Profesor, Facultad de Ingeniería de la Universidad, Ariyalur, Universidad de Anna https://orcid.org/0000-0001-6661-170X

DOI:

https://doi.org/10.3989/ic.76866

Palabras clave:

Optimización, Sección conformada en I con perfiles huecos rectangulares, Algoritmo genético, Eurocódigo 3

Resumen

La tendencia actual en los diseños de la ingeniería estructural es el abaratamiento de los sistemas estructurales mediante la optimización de sus elementos. En este trabajo se emplean métodos numéricos para obtener las dimensiones óptimas de secciones conformadas en frío (CFS) tipo C, Z y en I con perfiles huecos rectangulares (RHFB) que se usan para piezas en flexión. Para la optimización se usaron dos parámetros, la relación entre la dimensión del alma y la longitud del desarrollo (k) y la relación entre la longitud del ala y la longitud del labio (a). Los valores óptimos se obtuvieron mediante algoritmos genéticos. Se investiga la variación del momento resistido con las variaciones en la dimensión del alma, el ala y el labio. Las longitudes de desarrollo consideradas en este trabajo van de 100 mm a 500 mm y los espesores adoptados desde 1 mm a 3 mm. El momento resistido y el comportamiento a pandeo de las secciones conformadas en frío (CFS) se verifican mediante el análisis por elementos finitos no lineales usando ABAQUS.

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Citas

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