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BEM–FEM coupling for 3D fracture mechanics applications

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Abstract

Attention is here focused on the implementation of a coupled BEM–FEM procedure employing the BE method for the modelling of the near-crack region and the FEM for the far-field, where no singularities in the stress field are expected to arise. The symmetric variational version of the BE method is utilized, allowing to obtain a final linear system endowed with a symmetric matrix. With respect to 3D linear elastic fracture mechanics, the code developed is used to evaluate stress intensity factors for some benchmarks and simulate fracture propagation.

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Authors and Affiliations

  1. Department of Structural Engineering, Politecnico of Milan, P.za L. da Vinci 32, 20133, Milano, Italy

    A. Frangi

  2. Department of Mechanical and Structural Engineering, University of Trento, via Mesiano 77, 38050, Trento, Italy

    G. Novati

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  1. A. Frangi
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  2. G. Novati
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Correspondence to A. Frangi.

Additional information

A research grant from MURST (Cofinanziamento 2000) is acknowledged.

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Frangi, A., Novati, G. BEM–FEM coupling for 3D fracture mechanics applications. Computational Mechanics 32, 415–422 (2003). https://doi.org/10.1007/s00466-003-0510-8

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  • DOI: https://doi.org/10.1007/s00466-003-0510-8

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