Abstract
In the numerical analysis of a problem which has not been solved previously, it is imperative to ensure that the results of analysis are accurate enough. In the case of finite element analysis, assuming that a FEM formulation is available, it demands that the finite element subdivision of the analysis domain is adequate without making the analysis too expensive. In the analysis of shallow underground openings in which the analysis domain is discretised by a combination of finite and infinite elements, it is possible to meet this demand. It is demonstrated in this study through a finite/infinite element analysis of shallow openings of circular and elliptical shapes.
Published Version
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