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Zbl 1038.74664
Frangi, A.; Novati, G.
BEM-FEM coupling for 3D fracture mechanics applications. (English)
[J] Comput. Mech. 32, No. 4-6, 415-422 (2003). ISSN 0178-7675; ISSN 1432-0924/e

Summary: 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.

MSC 2000:: *74S15 Boundary element methods
74S05 Finite element methods
74R10 Brittle fracture

Keywords: Fracture mechanics; BEM; FEM; Coupling

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Zentralblatt MATH Berlin [Germany]