Abstract
Three-dimensional mode I fundamental fields for circular and elliptical cracks in isotropic, finite bodies with prescribed displacement and traction boundaries are analyzed by a previously introduced finite element method [1]. For the circular crack, we present a procedure for determining the Fourier coefficients of the stress intensity factor by using the ordinary fundamental fields.
Résumé
En recourant à une méthode par éléments finis présentée précédemment (1), on analyse les champs fondamentaux à trois dimensions de Mode I correspondant à des fissures circulaires et elliptiques dans des corps finis isotropes, qui sont soumis à des limites définies de déplacements et de traction.
Dans le cas d'une fissure circulaire, on présente une procédure pour déterminer les coefficients de Fourier du facteur d'intensité de contrainte, en utilisant les champs fondamentaux ordinaires.
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Sham, T.L., Zhou, Y. Computation of three-dimensional weight functions for circular and elliptical cracks. Int J Fract 41, 51–75 (1989). https://doi.org/10.1007/BF00014837
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DOI: https://doi.org/10.1007/BF00014837