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Efficient finite element analysis of models comprised of higher order triangular elements

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Abstract

This paper introduces an efficient method for the finite element analysis of models comprised of higher order triangular elements. The presented method is based on the force method and benefits graph theoretical transformations. For this purpose, minimal subgraphs of predefined special patterns are selected. Self-equilibrating systems are then constructed on these subgraphs leading to sparse and banded null basis. Finally, well-structured flexibility matrices are formed for efficient finite element analysis.

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Kaveh, A., Tolou Kian, M.J. Efficient finite element analysis of models comprised of higher order triangular elements. Acta Mech 224, 1957–1975 (2013). https://doi.org/10.1007/s00707-013-0855-9

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