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      Análisis con elemento finito y remalleo fractal en geotecnia Translated title: Finite Element Analysis and Fractal Remeshing in Geotechnics

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          Abstract

          La finalidad de este artículo es presentar de manera general las bases matemáticas de la geometría fractal y cómo este punto de vista geométrico se aplica a problemas que se presentan en el análisis de obras civiles complejas mediante el método del elemento finito, en el cual es importante la definición del tamaño de los elementos que componen la malla, de manera tal que la discretización del medio continuo sea representativa y consecuentemente los resultados obtenidos sean confiables. Para mostrar la aplicabilidad de esta técnica, se presenta un algoritmo fractal (desarrollado por los autores), mediante el cual se puede hacer remalleo automático de mallas bidimensionales de elemento finito, con lo cual se logran refinamientos locales eficientes de los problemas bajo análisis. Los resultados se comparan con soluciones analíticas mostrando que éstas se reproducen con excelente aproximación.

          Translated abstract

          The purpose of this article is to show in a general way the mathematical basis of the fractal geometry and how this geometrical point of view is applied to problems which appear in the finite element analysis of complex civil engineering structures, where the definition of the size of the elements that compose the mesh is important, such that the discretization of the continuum medium be representative and consequently the obtained results be more reliable. To show the applicability of this technology, a fractal algorithm (developed by the authors) is presented, by means of which it is possible to do automatic efficient local remeshing of finite element meshes for two-dimensional stress analyses. The results are compared with analytical solutions which are reproduced with excellent approximation.

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          Most cited references9

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          Fractal Geometry: Mathematical Foundations and Applications.

          K Falconer (1990)
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            Fractals everywhere

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              Fractal Geometry: Mathematical Foundations and Applications

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                Author and article information

                Journal
                iit
                Ingeniería, investigación y tecnología
                Ing. invest. y tecnol.
                Universidad Nacional Autónoma de México, Facultad de Ingeniería (Ciudad de México, Ciudad de México, Mexico )
                1405-7743
                March 2011
                : 12
                : 1
                : 103-118
                Affiliations
                [01] orgnameUniversidad Nacional Autónoma de México orgdiv1Instituto de Ingeniería : rmat@ 123456pumas.iingen.unam.mx
                [02] orgnameUniversidad Nacional Autónoma de México orgdiv1Instituto de Ingeniería AHermosilloA@ 123456iingen.unam.mx
                [04] orgnameUniversidad Nacional Autónoma de México orgdiv1Instituto de Ingeniería jorgec00@ 123456yahoo.com
                [03] orgnameUniversidad Nacional Autónoma de México orgdiv1Instituto de Ingeniería mromo@ 123456pumas.iingen.unam.mx
                Article
                S1405-77432011000100011 S1405-7743(11)01200100011
                a0db92ac-28a9-492e-a1fc-e73f357b3a94

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : January 2009
                : October 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 11, Pages: 16
                Product

                SciELO Mexico


                análisis de esfuerzos,problemas geotécnicos,remalleo automático,mecánica del medio continuo,geometría fractal,métodos numéricos,elemento finito,stress analysis,geotechnical problems,automatic remeshing,continuum mechanics,fractal geometry,numerical methods,finite element

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